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Antique 18ct yellow gold and platinum sapphire and diamond ring. The ring set with two cornflower blue sapphires approx 2.6mm and approx 9 pts of old-cut dias, size J+, approx 2.19 gms. 

18ct yellow gold and platinum ruby and old-cut diamond and white sapphire cluster ring. The central stone measures 6.6mm and set with 40 pts of dias. Some stones slightly off-set in mount, size K, 2.87 gms.

18ct yellow gold and platinum two-stone diamond ring, set with 20 pts of dias, size N+, approx 2.16 gms. 

Vintage platinum diamond solitaire ring. The ring set with an old-cut 2.2 cts diamond, size N, approx 3.49 gms.April Sale with two to three transparent inclusions.

A DIAMOND TWO STONE RING mounted with two old-cut diamonds, in yellow gold and platinum. Size Q

A DIAMOND CLUSTER RING of flowerhead form, set with circular old-cut diamonds, in 18ct gold and platinum. Size N 1/2

A DIAMOND FULL CIRCLE ETERNITY RING millegrain set with circular old-cut diamonds, in platinum. Size M

A DIAMOND SOLITAIRE RING set with a brilliant-cut diamond weighing approximately 0.90 carats in platinum, size I, together with a platinum wedding band, size I

AN EMERALD AND DIAMOND THREE STONE RING the rectangular-shaped emerald is set with two circular-cut diamonds, in platinum. Size O

A YELLOW SAPPHIRE AND DIAMOND RING the octagonal-cut yellow sapphire is set with three graduated baguette-cut diamonds to each shoulder, in platinum. Size M

A DIAMOND HALF HOOP RING set with seven circular-cut diamonds in 9ct yellow gold, size O 1/2, together with a diamond half hoop ring, set with circular-cut diamonds in 9ct yellow gold, size L 1/2, a diamond three stone ring, set with three old circular-cut diamonds in 18ct yellow gold and platinum, size L 1/2, and a garnet flowerhead ring set in gold and silver, size L 1/2

AN OPAL AND DIAMOND RING the oval-shaped solid white opal is set with three circular-cut diamonds to each shoulder, in yellow gold mount, size N, together with a sapphire and diamond cluster ring, the circular-cut sapphire is set within a surround of circular-cut diamonds, in 18ct gold and platinum, size Q 1/2, and a diamond five stone ring, set in 9ct gold and platinum, size K 1/2

A RUBY AND DIAMOND THREE STONE RING the oval-shaped ruby is set with two circular-cut diamonds in 18ct gold and platinum, size Q, together with a diamond three stone ring, mounted with three collet-set circular diamonds in 18ct yellow gold, size O 1/2

AN EMERALD AND DIAMOND THREE STONE RING the octagonal-cut emerald is set with two old circular-cut diamonds, in 18ct white gold and platinum. Size S Accompanied by report number 5782-864 from GCS, London dated 16th February 2022 stating that the octagonal-shaped emerald weighs 0.80 carats and that it is a natural emerald with indications of minor clarity enhancement. Origin: Colombia

18ct yellow gold, platinum & Diamond ring, comprising of 3 Diamonds mounted in platinum on 18ct gold band, size N, 2.4g gross

central old mine cut diamond in a cut down setting, approximately 4.1 x 3.55mm, estimated approximate weight 0.20ct, surrounded by a border of eight French cut diamonds, pierced and tapered diamond set arms, each terminating in five diamonds set in a cross formation, and separated by a diamond set bar, mostly closed back settings, estimated approximate total diamond weight 1.60ct, jump ring bale, length including bale 4.5cm, width 3.9cm, detachable brooch fitting, unmarked, tested as 9ct gold with silver settings, suspended from a 20th century Figaro style chain, length 58cm, bolt ring clasp, unmarked, tested as platinum, gross weight 13.8g, cased

the solitaire ring with a claw set princess cut diamond, tapered shoulders, 'D' shaped shank, size I, hallmarked London, 950 platinum, weight 4.1g, accompanied by a BGI report, stating the diamond weight to be 0.76ct, colour: E, clarity: SI1; second, a plain 'D' shaped wedding band, size I, width 2.7mm, hallmarked Sheffield, platinum 950, weight 4.6g, cased (2)

first, a three stone ring, with a central 5.8mm pearl and two old European cut diamonds, estimated approximate weight 0.20ct each, tapered shoulders set with rose cut diamonds (one lacking), 'D' shaped shank, size H½, unmarked, tested as 18ct gold and platinum, weight 2.9g; second, a crossover style ring with a central rubover set rose cut diamond, each shoulder set with two rose cut diamonds and terminating in a natural pearl, slightly tapered shoulders, 'D' shaped shank, size J, unmarked, tested as 18ct gold with platinum settings, weight 2.7g (2)

of foliate design, with a central oval shaped panel set with an old mine cut diamond, approximately 3.7 x 3.1mm, estimated approximate weight 0.20ct, surrounded by a border of ten old brilliant cut diamonds and a further three at each end, flanked by pierced diamond set foliate design panels either side, each with a central rubover set old brilliant cut diamond, approximate diameter 3.1mm, estimated approximate total diamond weight 1.50ct, a double row of figure of eight style links, bolt ring clasp, length 17cm, unmarked, tested as platinum, weight 8.6g

alternate yellow and white three bar links with yellow trace chain spacer links, swivel stamped '18c' and bolt ring catch, free running T bar, length 35cm, unmarked, tested as 18ct gold and platinum, weight 12gCondition report: Overall in good condition with no obvious sign of damage. Probable replacement link between the T bar and chain.

circa 1930, the unsigned tonneau shaped cream coloured waffle dial, 11mm wide, with black Arabic numerals, blued hands and inner chemin de fer chapter ring, signed but unnumbered jewelled mechanical crown wind movement, case, 15mm wide, the bezel and articulated lug covers set with single cut diamonds, the sides with a line of foliate engraving, verso hinged at 12 o'clock, plain and polished, interior numbered 4036, stamped PLATINUM, to a white metal Milanese style strap with adjustable buckle stamped CHAINCRAFT, presented in a case retailed by Harrods, London

circa 1930, the signed circular two-tone cream coloured dial, 12mm diameter, with black Arabic numerals, blued hands and chemin de fer chapter ring, unsigned and unnumbered jewelled mechanical crown wind movement decorated with 'The Côtes de Genève', and with applied but unidentified horseshoe motif, case, 14mm diameter with three single cut graduating diamonds millegrain set at 12 and 6 o'clock, verso snap on, plain and polished, numbered 13311, with French marks for platinum and engraved PLATINE, interior stamped with the mark of La Société Générale des monteurs de boîtes with responsibility mark of Besançon, to a plain and polished oval shank, size approximately J

circa 1920, the tonneau shaped silvered dial, 8mm wide, with black Arabic numerals, blued hands and baton minute track, jewelled mechanical crown wind movement, the articulated crown forming part of the shoulder of the ring with snap-on fitting, oval case, 14mm wide, bezel decorated with pavé set single cut diamonds, the side with a band of decorative engraving, verso hinged at 12 o'clock, concave, plain and polished, interior engraved PLATINUM, to a plain and polished oval shank with split shoulders, size approximately H

circa 1930, the signed rectangular cream coloured dial, 8mm wide, with black Arabic numerals, blued spade hands and chemin de fer chapter ring, unsigned jewelled mechanical crown wind movement number 89 (68?) case, 11mm wide, the bezel set with round brilliant and single cut diamonds and millegrain edged diamond set articulated brick style lug covers, the sides with a line of foliate engraving, verso hinged at 12 o'clock, plain and polished, interior with Swiss chamois mark for platinum, Chaux-de-Fonds, stamped PLATINE and numbered 42676, to a cord style strap with fold over hook style clasp

circa 1930, the rectangular cream coloured dial, 7mm wide, with black Arabic numerals, blued hands and chemin de fer chapter ring, jewelled mechanical crown wind movement, case, 10mm wide, the bezel set with single cut diamonds with baguette diamond set lug covers supporting an articulated diamond set Y shaped section, the sides with a line of foliate engraving, verso hinged at 12 o'clock, plain and polished, interior numbered 5127, unmarked, tested as platinum, to a white metal tubular mesh cord style bracelet with diamond set rondels terminating in a three stage ladder clasp with fold over catch and safety clip, mark of Cornelius Desormeaux Saunders & James Francis Hollings (Frank) Shepherd and stamped 9CT

circa 1930, the rectangular cream coloured dial, 7mm wide, with black Arabic numerals, blued hands and chemin de fer chapter ring, 17 jewel mechanical crown wind movement decorated with 'The Côtes de Genève', case, 10mm wide, the bezel set with round brilliant and single cut diamonds and millegrain edged diamond set articulated brick style lug covers, the sides with a line of foliate engraving, verso hinged at 12 o'clock, plain and polished, interior engraved ALL PLATINUM, to a cord style strap with fold over hook style clasp stamped 9CT

A fine 18 carat white gold and platinum set three stone diamond ring (total diamond weight approx 2cts) size O

A DIAMOND PLATINUM SET CROSS OVER RING on a yellow gold shank together with a collection of silver tone and crystal paste costume jewellery, ring size J, weight 1.8grams, faded 18ct markings to shank Condition Report : shank warped Condition reports are offered as a guide only and we highly recommend inspecting (where possible) any lot to satisfy yourself as to its condition.

TWO 18CT GOLD DIAMOND AND PLATINUM VINTAGE DRESS RINGS the first a tension set cross over ring with diamond accented platinum bed, marked 18ct Plat, ring size L ½ - M, weight 1.6grams, the second a diamond accented boat ring in a platinum bed on a yellow gold shank with faded 18ct markings, ring size K ½, weight 1.3grams Condition Report : the boat ring has a yellow gold thin mount around the platinum, one small section has worn away/broken Condition reports are offered as a guide only and we highly recommend inspecting (where possible) any lot to satisfy yourself as to its condition.

An early 20th century sapphire and diamond ring, set with a square-shaped sapphire, with five single-cut diamonds to each stepped shoulder in platinum, size O 1/2

A French emerald and diamond cluster ring, the emerald-cut emerald is set within a surround of round brilliant-cut diamonds in platinum and gold, French control marks, maker's mark FL (possibly for Font Lapalisse, size N

A sapphire and diamond five-stone ring, claw-set with three cushion-shaped sapphires and two old cushion-shaped diamonds in platinum and gold, size R

A diamond cluster ring, of quatrefoil design, set with old circular-cut diamonds in platinum, size P

A diamond three-stone ring, set with three round brilliant-cut diamonds in platinum, diamonds approximately 0.50, 0.70 and 0.50cts, size P

A diamond cluster ring, the flowerhead cluster rubover-set with round brilliant-cut diamonds in platinum, size N 1/2

A diamond five stone ring, set with five graduated round brilliant-cut diamonds in platinum and yellow gold, size K ½

A diamond solitaire ring, the oval-shaped diamond weighs 0.51cts, claw-set in platinum, London hallmarks for 2004, size K 1/2 Accompanied by report number 11118624 dated 13th June 2000 from GIA stating that the oval-shaped diamond weighs 0.51cts and is a natural diamond with F colour, IF clarity. Fluorescence: none.

A diamond solitaire ring, the round brilliant-cut diamond weighs approximately 0.50cts, with circular-cut diamonds to each shoulder in platinum, size R

An early 20th century two-stone diamond crossover ring, set with two old circular-cut diamonds weighing approximately 0.50cts each, set in platinum, size J 1/2

An emerald and diamond cluster ring, the emerald-cut emerald set within a surround of round brilliant-cut diamonds and quartered with baguette-shaped diamonds, further diamonds to the shoulders in platinum, size O 1/2

A diamond solitaire ring, the transitional round brilliant-cut diamond weighs approximately 0.50cts, claw-set in platinum, size J 1/2

A diamond solitaire ring, the heart-shaped diamond weighing 1.19cts, set with round brilliant-cut diamonds to the shoulders in platinum, London hallmarks for 2007, size J

A diamond cluster ring, the lozenge-shaped ring head pavé-set with single-cut diamonds, with further diamonds to the shoulders in platinum on gold, size M

A ruby half-hoop ring, set with graduated cushion-shaped rubies in platinum, size M 1/2

Three diamond rings; an early 20th century navette-shaped ring, pave-set with graduated diamonds in gold; a diamond-set full circle platinum eternity ring and a diamond-set two-stone crossover ring

An emerald and diamond cluster ring by Boucheron, the emerald-cut emerald is set within a surround of baguette-shaped diamonds, round brilliant-cut diamonds and a marquise-shaped diamond to each shoulder in platinum, signed Boucheron, size L 1/2, Boucheron case

A diamond and synthetic sapphire bombé ring, set with round brilliant-cut diamonds and calibre-cut synthetic sapphires in platinum, size J 1/2

A mid 20th century sapphire and diamond cocktail ring, set with a sugarloaf sapphire within cushion-shaped diamond surround and baguette-shaped diamond shoulders, set in platinum, size O

A diamond three-stone ring, set with an old cushion-shaped diamond and two old circular-cut diamonds, with single-cut diamond pointers to the platinum scroll mount, diamonds approximately 0.60, 1.60 and 0.50cts, size L 1/2

A purple sapphire and diamond cluster ring, the cushion-shaped purple sapphire weighs approximately 3.30cts, set within a surround of round brilliant-cut diamonds in platinum and gold, 18ct Sheffield hallmarks for 1990, size N Accompanied by report number 5782-653 dated 2nd Febraury 2022 from GCS stating that the oval-shaped sapphire weighs approximately 3.20cts and is a natural purple sapphire. Origin: Sri Lanka: Ceylon

A gem-set five-row half-hoop ring, set with alternating rows of calibré-cut emerald and sapphires and single-cut diamonds, to a scalloped border in platinum, size O This lot is offered without a reserve.

A sapphire and diamond cluster ring, the square cushion-shaped sapphire is set within a surround of round brilliant-cut diamonds, with baguette-shaped sapphires to the shoulders in platinum and white gold, size J 1/2 Accompanied by report number 5782-923 from GCS stating that the sapphire is natural with no indications of heat treatment. Origin: Sri Lanka (Ceylon).

An Art Deco onyx, diamond and emerald ring, the hexagonal onyx plaque is centred with an old circular-cut diamond weighing approximately 0.30cts, the shoulders set with single-cut diamonds and calibre-cut emeralds in platinum, size J

An early 20th century sapphire and diamond cluster ring, the oval face set with marquise and a square-shaped sapphires and pave-set with old circular-cut diamonds in platinum, gold shank with bifurcated shoulders, size Q 1/2

An onyx and diamond oval plaque ring, formed from an Art Deco onyx and diamond panel later mounted in a pierced diamond set surround in platinum and gold, size L ½

A jade and diamond three-stone ring, the jade cabochon is set with a baguette-shaped diamond to each shoulder in platinum, size N Accompanied by report number 2211701682 dated 20 May 2021 from GIA stating that the green jade cabochon is natural jadeite jade with no indications of treatment.

A sapphire and diamond three-stone ring, the emerald-cut sapphire weighs approximately 5.55cts, set with an old cushion-shaped diamond to each shoulder in platinum, size J 1/2 Accompanied by report number 5782-930 from GCS stating that the sapphire is natural with no indications of heat treatment. Origin: Burma (Myanmar). Accompanied by report number 981691 dated 2006 from The Precious Stone Laboratory stating that the rectangular cut-cornered sapphire weighs approximately 5.55cts and is a natural sapphire with no indications of heat treatment. Origin: Sri Lanka (Ceylon)

An Art Deco diamond plaque ring, centred with an old circular-cut diamond within an openwork octagonal surround set with further circular-cut diamonds, with a baguette-shaped diamond to each shoulder in platinum, size Q 1/2, case

A diamond cluster ring, set with a transitional round brilliant-cut diamond weighing approximately 0.50cts, within a surround of circular-cut diamonds, a further diamond to each shoulder in platinum, size Q

An early 20th century sapphire and diamond ring, the cabochon sapphire is claw set with rose-cut diamond-set bows to the shoulder in platinum, size O Accompanied by report number 5782-396 from GCS dated January 2022 stating that the cabochon-cut sapphire is a natural sapphire with no indications of heat treatment. Origin: Myanmar (Burma)