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An Art Deco Diamond and Emerald Platinum Cluster Ring, the emerald approximately 75 points surrounded by 12 small diamonds, marked Platinum W.W. Ltd. to the shank, size N 1/2, 3.5 g

An early 20thC. 18ct gold ring with five small platinum mounted diamonds, damage to gallery, size N, 1.8g

An early 20thC. 18ct gold ring set with eleven platinum mounted small diamonds, size R/S, 1.9g

Art Deco 9ct gold and platinum lady's cocktail ring set with emerald and diamond, 2g, size N, and an emerald and diamond eternity ring, 2.9g, size N.

Platinum band with engraving to exterior, marked 'fidelity H G & S', 2.3g, size O, and another platinum ring with star engraving to exterior, marked 'C G & S', 4.6g, size O.

BAGUE PERLE FINE, SAPHIRS ET DIAMANTS, VERS 1925Ornée d'une perle fine grise mesurant entre 8.6 et 8.7 mm de diamètre, entourée de diamants taille ancienne et 8/8 et de saphirs calibrés, poinçon français d'import pour le platine (950°/00), tour de doigt 53 1/2, poids brut 4.69 g.Footnotes:Accompagnée par un certificat LFG indiquant la qualité de perle fine d'eau de mer, sans indication de traitement pour cette perle. Certificat no. 390355 en date du 12 avril 2022.NATURAL PEARL, SAPPHIRE AND DIAMOND RING, CIRCA 1925Set with a grey natural pearl measuring from 8.6 to 8.7 mm diameter, within a surround of single-, old-cut diamonds and calibré-cut sapphires, French import assay marks for platinum, size M, gross weight 4.69 grams.Accompanied by a report from LFG stating that the pearl was found to be natural, saltwater, with no indication of treatment. Report no. 390355 dated 12th April 2022.For further information on this lot please visit Bonhams.com

BAGUE DIAMANTSOrnée de diamants taille 8/8 et demi-taille, poinçon français d'import pour le platine (950°/00), tour de doigt 57, poids brut 7.16 g.Footnotes:DIAMOND RINGSet with single- and circular-cut diamonds, French import assay mark for platinum, size P, gross weight 7.16 grams.For further information on this lot please visit Bonhams.com

BAGUE EMERAUDE ET DIAMANTSOrnée d'une émeraude carrée à pans coupés pesant 4.01 carats épaulée de diamants baguette, poinçon français pour le platine (950°/00), trace de poinçon de maître, tour de doigt 50 1/2, poids brut 6.20 g.Footnotes:Accompagnée d'un certificat Carat Gem Lab indiquant l'origine de Colombie et présence mineure d'huile pour cette émeraude. Certificat no. CGL20252 en date de septembre 2019.EMERALD AND DIAMOND RINGClaw-set with a step-cut emerald weighing 4.01 carats, flanked by baguette-cut diamonds, French assay mark for platinum, indistinct maker's mark, size K, gross weight 6.20 grams.Accompanied by a report from Carat Gem Lab stating that the emerald is of Colombian origin, with minor clarity enhancement (oil). Report no. CGL20252, dated September 2019.For further information on this lot please visit Bonhams.com

BAGUE DIAMANTOrné d'un diamant taille ancienne pesant 5.54 carats, poinçons français d'import pour le platine (950°/00) et l'or 18K (750°/00), tour de doigt 57, poids brut 5.32 g.Footnotes:Accompagnée d'un certificat partiel LFG indiquant la couleur M et la pureté VS2 pour ce diamant. Certificat no. BD029956/6 en date du 24 mars 2022.DIAMOND RINGClaw-set with an old-cut diamond weighing 5.54 carats, French import assay marks for platinum and 18 carat gold, size P, gross weight 5.32 grams.Accompanied by a short report from LFG stating that the diamond is M Colour, VS2 Clarity. Report no. BD029956/6 dated 24th March 2022.For further information on this lot please visit Bonhams.com

BAGUE DIAMANTSOrnée d'un diamant taille ancienne ovale entouré de diamants taille brillant, poinçon français d'import pour le platine (950°/00), tour de doigt 59, poids brut 15.86 g.Footnotes:DIAMOND RINGSet with an oval old-cut diamond within a surround of brilliant-cut diamonds, French import assay mark for platinum, size R, gross weight 15.86 grams.For further information on this lot please visit Bonhams.com

BAGUE SAPHIR ET DIAMANTSOrnée d'un saphir taille coussin rectangulaire entouré de diamants taille ancienne et demi-taille, poinçon français pour le platine (950°/00), tour de doigt 50 1/2, poids brut 6.41 g.Footnotes:Accompagnée d'un certificat GEM Paris indiquant l'origine du Sri Lanka et l'absence de traitement thermique pour ce saphir. Certificat no. 20181974131-2 en date du 21 octobre 2018.SAPPHIRE AND DIAMOND RINGCollet-set with a rectangular cushion-shaped sapphire framed by old- and circular-cut diamonds, French assay mark for platinum, size K, gross weight 6.41 grams.Accompanied by a report from GEM Paris stating that the sapphire is of Sri Lankan origin, with no indication of heat treatment. Report no. 20181974131-2, dated 21st October 2018.For further information on this lot please visit Bonhams.com

BAGUE DIAMANT FANCY LIGHT BROWN ET DIAMANTSOrnée d'un diamant Fancy Light Brown taille brillant pesant 3.04 carats épaulé de deux diamants taille marquise, poinçon français d'import pour le platine (950°/00), tour de doigt 60, poids brut 4.76 g.Footnotes:Accompagnée d'un certificat GIA indiquant la couleur naturelle Fancy Light Brown et la pureté VS1 pour ce diamant. Certificat no. 2175539775 en date du 8 avril 2016.FANCY LIGHT BROWN DIAMOND AND DIAMOND RINGClaw-set with a brilliant-cut Fancy Light Brown diamond weighing 3.04 carats, flanked by two marquise-shaped diamonds, French import assay mark for platinum, gross weight 4.76 grams.Accompanied by a report from GIA stating that the diamond is Natural, Fancy Light Brown Colour, VS1 Clarity. Report no. 2175539775 dated 8th April 2016.For further information on this lot please visit Bonhams.com

BAGUE DIAMANTOrnée d'un diamant taille brillant pesant 3.50 carats épaulé de diamants baguette, poinçons français pour le platine (950°/00) et l'or 18K (750°/00), tour de doigt 52, poids brut 4.42 g.Footnotes:Accompagné d'un certificat partiel LFG indiquant la couleur M et la pureté SI2 pour ce diamant. Certificat no. BD029956/7 en date du 24 mars 2022.DIAMOND RINGClaw-set with a brilliant-cut diamond weighing 3.50 carats flanked by baguette diamonds, French assay marks for platinum and 18 carat gold, size L, gross weight 4.42 grams.Accompanied by a short report from LFG stating that the diamond is M Colour, VS2 Clarity. Report no. BD029956/7 dated 24th March 2022.For further information on this lot please visit Bonhams.com

BAGUE SAPHIR ET DIAMANTSOrnée d'un saphir taille ovale pesant 3.52 carats épaulé de diamants taille marquise, poinçon français pour le platine (950°/00), tour de doigt 52, poids brut 6.24 g.Footnotes:Accompagnée d'un certificat SSEF indiquant l'origine du Sri Lanka et la présence de traitement thermique pour ce saphir. Certificat no. 111680 en date du 17 janvier 2020.SAPPHIRE AND DIAMOND RINGClaw-set with an oval sapphire weighing 3.52 carats flanked by marquise-shaped diamonds, French assay mark for platinum, size L, gross weight 6.24 grams.Accompanied by a report from SSEF stating that the sapphire is of Sri Lankan origin, with indications of heat treatment. Report no. 111680, dated 17th January 2020.For further information on this lot please visit Bonhams.com

MELLERIO DITS MELLER: BAGUE SAPHIR ET DIAMANTSOrnée d'un saphir carré à pans coupés pesant 4.10 carats entouré de diamants taille brillant et baguette, signée Mellerio, numérotée, poinçon français pour le platine (950°/00) et trace de poinçon de maître, tour de doigt 55, poids brut 8.04 g.Footnotes:Accompagnée d'un certificat SSEF indiquant l'origine du Sri Lanka et l'absence de traitement thermique pour ce saphir. Certificat no. 111677 en date du 17 janvier 2020.MELLERIO DITS MELLER: SAPPHIRE AND DIAMOND RINGClaw-set with a step-cut sapphire weighing 4.10 carats framed by baguette and brilliant-cut diamonds, signed Mellerio, numbered, French assay mark for platinum and partial maker's mark for Mellerio, size N 1/2, gross weight 8.04 grams.Accompanied by a report from SSEF stating that the sapphire is of Sri Lankan origin, with no indication of heat treatment. Report no. 111677, dated 17th January 2020.For further information on this lot please visit Bonhams.com

BAGUE AIGUE-MARINE, RUBIS ET DIAMANTSSertie griffe d'une aigue-marine épaulée de rubis et pierres rouges calibrés et de diamants baguette, poinçon français d'import pour le platine (950°/00), tour de doigt 51 (anneau de mise à taille), poids brut 9.06 g.Footnotes:AQUAMARINE, RUBY AND DIAMOND RINGClaw-set with a step-cut aquamarine flanked by calibré-cut rubies and red stones and baguette diamonds, French import assay mark for platinum, size K (sizing band), gross weight 9.06 grams.For further information on this lot please visit Bonhams.com

BAGUE RUBIS ET DIAMANTSSertie griffe d'un rubis taille ovale pesant 1.48 carat épaulé de diamants baguette, poinçon français d'import pour le platine (950°/00), tour de doigt 57 (anneau de mise à taille), poids brut 3.71 g.Footnotes:RUBY AND DIAMOND RINGClaw-set with an oval ruby weighing 1.48 carat flanked by baguette diamonds, French import assay mark for platinum, size P, gross weight 3.71 grams.For further information on this lot please visit Bonhams.com

BAGUE SAPHIR ET DIAMANTSOrnée d'un saphir taille coussin rectangulaire entouré de diamants taille ancienne et 8/8, poinçon français d'import pour le platine (950°/00), tour de doigt 49, poids brut 3.93 g.Footnotes:SAPPHIRE AND DIAMOND RINGSet with a rectangular cushion-shaped sapphire within a surround of old- and single-cut diamonds, French import assay mark for platinum, size I, gross weight 3.93 grams.For further information on this lot please visit Bonhams.com

BAGUE RUBIS ET DIAMANTSOrnée d'un rubis taille ovale pesant 5.16 carats épaulé de diamants baguette, poinçon français pour le platine (950°/00), tour de doigt 50 1/2, poids brut 4.67 g.Footnotes:Accompagnée d'un certificat SSEF indiquant l'origine de Birmanie, l'absence de traitement thermique et la présence mineure d'huile dans les fissures pour ce rubis. Certificat no. 110456 en date du 17 octobre 2019.RUBY AND DIAMOND RINGClaw-set with an oval ruby weighing 5.16 carats flanked by baguette diamonds, French assay mark for platinum, size K, gross weight 4.67 grams.Accompanied by a report from SSEF stating that the ruby is of Burmese origin, with no indication of heat treatment and minor amount of oil in fissures. Report no. 110456, dated 17th October 2019.For further information on this lot please visit Bonhams.com

BAGUE RUBIS ET DIAMANTSOrnée d'un rubis taille ovale pesant 2.69 carats dans un entourage de diamants taille brillant et baguette, poinçon français d'import pour le platine (950°/00), tour de doigt 54, poids brut 12.95 g.Footnotes:Accompagnée d'un certificat SSEF indiquant l'origine de Birmanie, l'absence de traitement thermique et la présence minuere d'huile dans les fissures pour ce rubis. Certificat no. 111678 en date du 17 janvier 2020.Egalement accompagnée d'un certificat GEM Paris indiquant l'origine de Birmanie et l'absence de traitement thermique pour ce rubis. Certificat no. 20191974629-1 en date du 10 juin 2019.RUBY AND DIAMOND RINGClaw-set with an oval ruby weighing 2.69 carats within a surround of brilliant-cut and baguette diamonds, French import assay mark for platinum, size N, gross weight 12.95 grams.Accompanied by a report from SSEF stating that the ruby is of Burmese origin, with no indication of heat treatment and minor amount of oil in fissures. Report no. 111678, dated 17th January 2020.Also accompanied by a report from GEM Paris stating that the ruby is of Burmese origin, with no indication of heat treatment. Report no. 20191974629-1, dated 10th June 2019.For further information on this lot please visit Bonhams.com

BAGUE DIAMANT FANCY BROWN-ORANGE ET DIAMANTSDe forme Tank, ornée d'un diamant taille émeraude Fancy Brown-Orange pesant 3.04 carats, entouré de diamants taille ancienne, brillant et baguette, poinçon français pour le platine (950°/00), tour de doigt 57, poids brut 13.55 g.Footnotes:Accompagnée d'un certificat GIA indiquant la couleur naturelle Fancy Brown-Orange et la pureté SI1 pour ce diamant. Certificat no. 2185036755 en date du 6 décembre 2016.FANCY BROWN-ORANGE DIAMOND AND DIAMOND RINGOf Tank design, set with a Fancy Brown-Orange step-cut diamond weighing 3.04 carats within a surround of old-, brilliant-cut and baguette diamonds, French assay mark for platinum, size P, gross weight 13.55 grams.Accompanied by a report from GIA stating that the diamond is Natural, Fancy Brown-Orange Colour, SI1 Clarity. Report no. 2185036755 dated 6th December 2016.For further information on this lot please visit Bonhams.com

A George VI 18ct gold and platinum five stone diamond ring, makers mar HW Ltd, total weight 1.8g, Location: CAB

A FRENCH 1930S EMERALD AND DIAMOND RING The step cut emerald with canted corners estimated to weigh 1.53 carats total, with rose cut diamond accented gallery and eight cut diamond set stepped shoulders, stamped with French platinum poinçons Size/dimensions: finger size M 1/2 Gross weight: 3.6 grams Condition Report: The emerald measures approximately 7.5mm x 6.6mm x 4.45mm, there are typical inclusions, there is an approximately 1.5mm chip fracture and a smaller chip fracture to the table, nibbling to facet edges. The emerald is bright. There are repairs to the setting, the claws have thinning, some small diamonds missing, the shank is split, there are rubbed French marks to the shank Condition Report Disclaimer

A DIAMOND ETERNITY RING The band set with old cut diamonds, approximately 2.00 carats total, with engraved sides Size/dimensions: finger size M 1/2 Gross weight: 3.9 grams Condition Report: The setting is in our opinion platinum, the diamonds are all present and correct, bright and lively, commercial white, clarity varying, mostly SI-I, some light wear to settings Condition Report Disclaimer

A DIAMOND CLUSTER RING The cluster with a central old brilliant cut diamond within a surround of brilliant cut diamonds, to diamond accented shoulders, approximately 0.52 carats total, the shank stamped Platinum Size/dimensions: finger size H Gross weight: 2.8 grams Condition Report: The diamonds are all present and correct, bright and lively, commercial white, clarity varying, there are some retipped claws, there is a split to the underneath of one of the shoulders Condition Report Disclaimer

A DIAMOND TWO ROW RING The front panel with two rows of old mine cut diamonds in squared settings, approximately 0.70 carats total, to a broad shank; together with an etched band stamped Platinum Size/dimensions: first finger size O 1/2, second finger size K Gross weight: 11.4 grams Condition Report: The fist ring was originally an eternity ring, which has been snipped and layered together and then a new shank put on, The diamonds are bright and lively, but some of the diamonds are chipped and one has cleaved. There is wear to the settings. The platinum band has a lot of rubbing to the decoration Condition Report Disclaimer

A platinum diamond ring, with a transitional cut diamond, with an estimated weight of approximately 0.23ct, claw set, to crossover shoulders grain set with eight cut diamonds, and a plain shank, marked PLATINUM, 3.81g.Finger size M¾Surface marks/scratches to mount.Claws a little worn.Head of ring dirty, would benefit from being cleaned.

A platinum court section wedding ring, 1.9-2.0mm wide, 2.78g.Finger size MSurface marks/scratches.Width of ring varies slightly.

A platinum single stone diamond ring, with an old European cut diamond, estimated as approximately 0.25ct, grain set to an illusion collet, to a wire gallery, split shoulders and a plain shank, marked platinum, 3.43g, together with a faceted platinum wedding ring, 1.7-1.8mm wide, 2.07g (2)Finger size G¼, GRing slightly oval.Surface mark/scratches. Surface marks/scratches to mount.Some wear to shank.

A single stone diamond ring, with a brilliant cut diamond, grain set in white to an illusion collect with a high gallery and split shoulders, to yellow 'D' section shank, tested as approximately platinum and 18ct gold, 4.17g.Finger size JMinor surface marks/scratches to mount.

A platinum wedding ring,marked PLATINUM, 2.72g.Finger size NSides worn, a little sharp.Surface marks/scratches.

A 2.2ct solitaire diamond ring, 18ct white gold settings with platinum claws set with old European-cut diamond, colour approx M, clarity approx I2, diamond weight calculated from measurements: 8.63mm x 7.84mm x 4.91mm, size Q, 2.6g

A modern platinum wedding band ring, band width 2.9mm, size J, 3.5g

A mid-20th century 18ct gold 0.25ct solitaire diamond ring, platinum claws with modern round brilliant-cut diamond, colour approx H/I, clarity approx VS1/VS2, size T, 2.5g

A mid-20th century 18ct gold 0.35ct solitaire diamond ring, platinum claws with modern round brilliant-cut diamond and single-cut diamond shoulders, size O, 2.4g

A diamond and natural pearl two stone cross over ring, in unmarked white metal, the pearl measuring approximately 7.8mm diameter, the old cut diamond calculating as weighing approximately 1.58 carats, with seven small diamonds to each shoulder, tests as platinum, finger size M, with inner sizing hoop, 6.53g gross (with certificate from Anchorcert)

A platinum dress ring set with an ammonite doublet, the oval stone approximately 9mm x 7mm, finger size N, 4.75g gross

A platinum diamond five stone ring, the round brilliant cut diamonds approximately 3.8mm (3) and 3.5mm (2), rub over set, finger size N, 5.76g gross, cased

Diamond two stone ring, each round brilliant stone of approximately 0.7ct and estimated as J/K in colour and I2 clarity, set in platinum claw mounts on an 18ct yellow gold ring, size M, gross weight approx. 5g

Diamond solitaire ring, the old round brilliant stone of approximately 1.1cts and estimated as K/L in colour and I2 clarity, all set in platinum, size K, gross weight approx. 5.1g

Diamond solitaire ring, the brilliant cut stone of approx. 1.5cts, estimated as K/L in colour and SI2 clarity, in a platinum claw mount and diamond set shoulders on an 18ct yellow gold ring, size L, gross weight approx. 3.1g

Diamond solitaire ring, the central stone of approx. 0.35ct and flanked by a tiny brilliant on either side, set in a platinum and 18ct white gold ring, size M, gross weight approx. 3.6g

AN 18 CARAT GOLD AND PLATINUM RING WITH TWO DIAMONDS ON A TWIST SIZE N IN A PRESENTATION BOX

An early 20th century sapphire and diamond cluster ring, the central rectangular cushion mixed cut sapphire measuring 9.4mm L x 6.5mm - 7mm W x 3.2mm D, the platinum scalloped border set with ten round brilliant cut diamonds, tapered shoulders and plain polished 18ct yellow gold shank, size M 1/2, weight 3.6gms With accompanying report from The Gem & Pearl Laboratory, report no. 20998, that the stone is a natural sapphire, and shows no evidence of heat treatment. CR; Some light nibbling to the facet edges of the table and the girdle. All diamonds are present and in tact. There appears to be some splitting/minor loss to the platinum border, but all stones appear secure. Shank is in good order, no thinning, splitting, resizing or repair, light scratching and wear commensurate with age only. Each diamond weighs approximately 0.02 - 0.03 carats. 

18 CARAT GOLD & PLATINUM DIAMOND SOLITAIRE RING - SHANK NEEDS REPAIRED

A vintage platinum and diamond ring. The ring being set with a marquise cut diamond with two trapeze  cut diamonds to the shoulders. Principle diamond estimated approximately 2.0ct. Marked Plat ASCO to the band. Weight 5.8g . Size K.5. Colour estimated E-F , with SI- VS clarity.

18ct platinum and diamond solitaire ring, approximately 0.25ct. The approximate ring size is M.

A teal sapphire and diamond trilogy ring with diamond set shoulders set in platinum. The approximate ring size is J. Complete with paperwork.

A platinum ring with a leaf design inset with a solitaire diamond. The approximate ring size is between k and L. Weighing approximately 4.28g.

A platinum and approx 0.30ct diamond solitaire ring.

An 18carat gold and platinum ring set with three brilliant cut diamonds. ring size M.

An 18carat gold ring set with a brilliant cut diamond in a square platinum setting. ring size O.

A 18 ct gold ring inset with single diamond with platinum surround.

A platinum ornate cocktail ring set with oval cut ruby, surrounded by a halo of calibre cut rubies, boxed. The ring is interpierced with diamonds and an outer halo of rubies. The rubies are 1.15ct approximate and the diamonds are approximately 0.77ct. The approximate ring size is between N and O.

A PLATINUM DIAMOND HALF ETERNITY RING, designed with a row of channel set round brilliant cut diamonds, stamped diamond weight 0.33cts, stamped 950, ring size I, approximate gross weight 3.4 grams (condition report: general light wear, all diamonds are intact and in good condition, overall condition good)

A platinum and twelve stone diamond set half eternity ring, size R, gross weight 6.4 grams.

A modern platinum and solitaire diamond ring, size Q/R, gross weight 5.4 grams,stone diameter 4.8mm.

A 9ct and platinum solitaire diamond ring, size K, approx 1.7 grams

A stunning 950 platinum solitaire diamond 6.1ct ring, the diamond estimated colour K/L, estimated I1 clarity, 11.7mm diameter, 6.3 grams, size O, with insurance valuation for £22,500

18ct gold and platinum ladies ring set with 3 illusion-set diamonds. 1.9 grams. Size N.