We found 46743 price guide item(s) matching your search

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut sapphire of 1.12 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, inscribed 1.12 .68, stamped PT950, size L1/2 / 6, 6.4g. 

A RUBY AND DIAMOND DRESS RING in platinum, set with an oval cut ruby accented by old and single cut diamonds and calibre cut rubies, the rubies totalling 1.17 carats, the diamonds totalling 0.56 carats, stamped PLAT, size N / 6.75, 6.6g. 

A PLATINUM PRINCESS-CUT DIAMOND CLUSTER RING a princess-cut diamond within a border of round brilliant-cut diamonds, to diamond-set shoulders. Principal diamond weight 0.70ct, total diamond weight 1.05ct, hallmarked London 2012, ring size M, 4.2 gramsAccompanied by a Diamond Report, International Gemological Institute (I.G.I), GT121009914, 21 November 2011, stating the princess-cut diamond weighs 0.70ct; colour: E; clarity: VS2; fluorescence: noneGood condition.

A PLATINUM DIAMOND FIVE STONE RING round brilliant-cut diamonds in claw settings. Stated total diamond weight 1.50ct, hallmarked London 2013, ring size N1/2, 5.5 gramsGood condition. Estimated diamond colour: H/I; estimated clarity: SI1/SI2.

A PLATINUM TRIPLE CLUSTER RING three graduated round brilliant-cut diamonds within diamond-set milgrain borders. Estimated total diamond weight 0.45ct, hallmarked London 2022, ring size L1/2, 3.9 gramsGood condition. Estimated colour: H/I; estimated clarity: SI1/SI2.

A PLATINUM EMERALD AND DIAMOND CLUSTER RING an octagonal-cut emerald within a conforming border of round brilliant-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.40ct, hallmarked London 2022, ring size L1/2, 5.0 gramsGood condition. The emerald measures 5.33mm x 4.81mm approximately. Estimated diamond colour: G/H; estimated clarity: VS2/SI1.

A PLATINUM GREEN TOURMALINE AND DIAMOND CLUSTER RING an oval-cut green tourmaline within a milgrain border of round brilliant-cut diamonds. Estimated total diamond weight 0.35ct, hallmarked London 2021, ring size L1/2, 6.1 gramsGood condition. The green tourmaline measures 6.00mm x 4.50mm approximately. Estimated diamond colour: G/H; estimated clarity: VS2/SI1.

A PLATINUM PRINCESS-CUT SOLITAIRE DIAMOND RING a princess-cut diamond in a claw setting. Diamond weight 0.52ct, hallmarked London 2007, ring size K1/2, 4.1 gramsThe girdle is laser inscribed 'GIA 15542873'. Referring to GIA Diamond Dossier, 15542873, 1 March 2007, stating the diamond weighs 0.52ct; colour: F; clarity: VS1; fluorescence: none. Please note the hardcopy dossier is not present but the report has been verified online.Good condition.

A PLATINUM DIAMOND CLUSTER RING an oval-cut diamond within a border of round brilliant-cut diamonds, to a diamond-set gallery and shoulders. Principal diamond weight 0.70ct, total diamond weight 0.99ct, hallmarked London 2021, ring size L1/2, 4.1 gramsAccompanied by a GIA Diamond Dossier, 6425920800, 2 April 2022, stating the oval-cut diamond weighs 0.70ct; colour: F; clarity: SI2; fluorescence: none; the diamond is laser inscribed GIA 6425920800Good condition

A BAND RING marked 'Platinum' '970', ring size I1/2, 2.2 gramsLight general wear.

A PLATINUM DIAMOND RING a round brilliant-cut diamond within a milgrain-set diamond border, to diamond-set forked shoulders. Estimated principal diamond weight 1.20ct, estimated total diamond weight 1.70ct, hallmarked Sheffield, ring size K, 11.4 gramsGood condition. Estimated principal diamond colour: H/I; estimated clarity: VVS2/VS1. Fluorescence: medium

A PLATINUM SOLITAIRE OCTAGONAL-CUT DIAMOND RING an octagonal-cut diamond in a claw setting. Stated diamond weight 0.42ct, hallmarked Birmingham, ring size M, 5.2 gramsGood condition. Estimated diamond colour: G/H; estimated clarity: VS1/VS2

A PLATINUM BAND RING hallmarked Sheffield 2013, ring size K1/2, 4.7 gramsLight general wear.

A PLATINUM DIAMOND CLUSTER RING a pear-cut diamond within a border of round brilliant-cut diamonds, to diamond-set shoulders. Principal diamond weight 0.90ct, total diamond weight 1.14ct, hallmarked London 2021, ring size M1/2, 6.4 gramsAccompanied by a GIA Diamond Dossier, 2131661718, 23 July 2020, stating the pear-cut diamond weighs 0.90ct; colour: H; clarity: SI1; fluorescence: none; the diamond is laser inscribed GIA 2131661718Good condition

A PLATINUM DIAMOND RING a round brilliant-cut diamond, to diamond-set shoulders. Principal diamond weight 0.63ct, total diamond weight 0.99ct, hallmarked London 2021, ring size L1/2, 4.8 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624141942, 5 December 2022, stating the central diamond weighs 0.63ct; colour: G; clarity: SI3Good condition

A PLATINUM TSAVORITE GARNET AND DIAMOND CLUSTER RING an oval-cut tsavorite garnet within a milgrain border of round brilliant-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.30ct, hallmarked London 2022, ring size M, 5.8 gramsGood condition. The tsavorite garnet measures 6.96mm x 5.96mm approximately. Estimated diamond colour: G/H; estimated clarity: VS1/VS2

A PLATINUM DIAMOND THREE STONE RING round brilliant-cut diamonds in claw settings. Estimated total diamond weight 0.50ct, hallmarked London 2022, ring size M1/2, 4.3 gramsGood condition. Estimated colour: H/I; estimated clarity: SI1/SI2.

A PLATINUM DIAMOND CLUSTER RING a round brilliant-cut diamond within a border of round brilliant-cut diamonds. Principal diamond weight 0.42ct, total diamond weight 0.51ct, hallmarked London, ring size M, 4.4 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624138748, 22 July 2022, stating the central diamond weighs 0.42ct; colour: H; clarity: SI2Good condition

A PLATINUM PEAR-CUT DIAMOND TWO STONE CROSSOVER RING pear-cut diamonds to bypass scroll shoulders. Estimated total diamond weight 0.80ct, hallmarked London 2022, ring size M1/2, 5.0 gramsGood condition. Estimated colour: F/G; estimated clarity: SI1/SI2.

A PLATINUM EMERALD AND DIAMOND CLUSTER RING an oval-cut emerald within a border of round brilliant-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.35ct, hallmarked Edinburgh 2021, ring size R, 5.4 gramsGood condition. The emerald measures 8.31mm x 6.45mm approximately. Estimated diamond colour: G/H; estimated clarity: VS2/SI1.

A PLATINUM EMERALD AND DIAMOND CLUSTER RING a round-cut emerald within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.10ct, hallmarked London, ring size M, 5.3 gramsGood condition. The emerald measures 5.19mm x 5.30mm approximately. Estimated diamond colour: G/H; estimated clarity: VS2/SI1.

A PLATINUM DIAMOND RING a radiant-cut diamond flanked by trilliant-cut diamonds, to diamond-set shoulders. Principal diamond weight 1.20ct, estimated total diamond weight 1.95ct, hallmarked Birmingham, ring size O, 4.8 gramsThe radiant-cut diamond is laser inscribed 6222648388, to GIA Diamond Dossier, 6222648388, 19 May 2016, stating the diamond weighs 1.20ct; colour: F; clarity: VS2; fluorescence: noneGood condition. Estimated diamond colour: G/H/; estimated clarity: VS1/VS2

A PLATINUM DIAMOND RING a round brilliant-cut diamond, to diamond-set shoulders. Principal diamond weight 0.51ct, total diamond weight 0.65ct, hallmarked London, ring size L1/2, 3.5 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624136931, 6 May 2022, stating the central diamond weighs 0.51ct; colour: F; clarity: SI3Good condition

A PLATINUM DIAMOND CLUSTER RING an oval-cut diamond within a border of round brilliant-cut diamonds, to a diamond-set gallery and shoulders. Principal diamond weight 0.50ct, total diamond weight 0.75ct, hallmarked London 2021, ring size L1/2, 4.0 gramsAccompanied by a GIA Diamond Dossier, 2424458471, 24 February 2022, stating the diamond weighs 0.50ct; colour: E; clarity: SI2; fluorescence: none; the diamond is laser inscribed GIA 2424458471Good condition.

A PLATINUM DIAMOND THREE STONE RING graduated round brilliant-cut diamonds in claw settings. Estimated total diamond weight 1.30ct, hallmarked London 2022, ring size N, 5.8 gramsGood condition. Estimated colour: H/I; estimated clarity: SI1/SI2.

A PLATINUM SOLITAIRE DIAMOND RING a round brilliant-cut diamond in a claw setting, to diamond-set milgrain shoulders. Diamond weight 3.01ct, hallmarked London 2021, ring size N1/2, 7.7 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624141785, 30 September 2022, stating the diamond weighs 3.01ct; colour: I; clarity: SI2Good condition. Fluorescence: faint

A PLATINUM OCTAGONAL-CUT DIAMOND RING an octagonal-cut diamond, to diamond-set shoulders. Principal diamond weight 0.40ct, total diamond weight 0.50ct, hallmarked London 2016, ring size M, 3.0 gramsAccompanied by a GIA Diamond Dossier, 6215012769, 21October 2015, stating the octagonal-cut diamond weighs 0.40ct; colour: G; clarity: VVS2; fluorescence: none; the diamond is laser inscribed GIA 6215012769Good condition.

DIAMOND SINGLE-STONE RINGThe brilliant-cut diamond, weighing 2.48 carats, in a platinum setting, partial UK hallmark, ring size OFootnotes:Accompanied by a report from Lotus stating that diamond is H colour, VVS2 clarity. Report number 000072, dated 10th October 2004. Please note, this report is over five years old and may require updating.For further information on this lot please visit Bonhams.com

DIAMOND SINGLE-STONE RINGThe brilliant-cut diamond, weighing 4.89 carats, in a platinum setting, UK hallmark, ring size M½For further information on this lot please visit Bonhams.com

CARTIER: EMERALD, RUBY AND DIAMOND 'TUTTI FRUTTI' CLIP, CIRCA 1929The cluster of ruby beads surrounding an emerald bead inlaid throughout with single-cut diamond terminals, accented by step-cut emeralds and a trapezoid-cut diamond, issuing from a pierced brilliant and single-cut diamond fountain motif of Eastern inspiration, mounted in platinum, signed Cartier Paris, numbered 03744, French assay marks, length 2.6cm, accompanied by a later ring mount, ring size T (2)Footnotes:For a pair of small 'Tutti Frutti' brooches set with emerald and ruby beads with carved ruby leaves issuing from a scrolling diamond-set dragon, by American Art Works for Cartier New York, dated 1929, see Rudoe, J. 'Cartier 1900-1939', 1997, ill.p.228, cat 159.For further information on this lot please visit Bonhams.com

BOODLES: DIAMOND SINGLE-STONE RINGThe step-cut diamond, weighing 5.04 carats, in a pavé-set brilliant-cut diamond setting, mounted in platinum, signed Boodles, maker's mark B&D, London hallmark, ring size N, maker's case and boxFootnotes:Accompanied by a report from GIA stating that the diamond is G colour, VS1 clarity. Report number 5221840310, dated 27th February 2023.For further information on this lot please visit Bonhams.com

A diamond single stone ring, the emerald-cut diamond in four claw setting, between baguette-cut diamond set shoulders, white precious metal mounted, indistinctly stamped 'PLATINUM', principal diamond weight approximately 3.10ct, remaining total diamond weight approximately 0.15ct, ring size MAccompanied by a Diamond Mini Report issued by AnchorCert, stating that the principal diamond has L colour and VS clarity, report no. 20061680, provided April 2023 The principal diamond is bright and lively but drawing a yellowish tint, with estimated L colour and VS1 to VS2 clarity, assessed mounted. Principal diamond dimensions approx. 9.8mm length x 7.2mm x 4.9mm depth. Shoulder set diamonds are well matched, bright and lively, estimated VS2 to SI1 clarity and H to J colour, assessed mounted. The ring mount has general surface wear, scuffs and nicks/chips, with some rubbing to the sides of the setting gallery and to the sides of the shank, and is likely to be mid 20th century in date. Overall width of setting approximately 1.4cm. Height of setting from base to tip of principal stone approximately 6.5mm. Metal standard is untested. Gross weight approximately 4.4gm.

A platinum wedding band, of court section profile, with floral decoration, hallmarked for London 2007, ring size O½Surface wear, scuffs and nicks throughout. Hallmarks are clearly struck. Maker's mark LW & G. Width 2.5mm. Gross weight approximately 3gm.

A diamond half hoop ring, channel set with a line of round brilliant-cut diamonds, platinum mounted, total diamond weight approximately 0.65ct, ring size IDiamonds are well matched, bright and lively, with estimated VS1 to SI1 clarity and H to I colour, assessed mounted. Surface wear, scuffs and nicks to mount, lazered hallmarks are clear. Width of band 2.9mm. Gross weight approximately 3.7gm.

A diamond full hoop ring, channel set throughout with baguette-cut diamonds, platinum mounted, ring size KDiamonds are of slightly variable shape and proportion, some stones sitting at an angle in the setting. It is possible that some stones have been replaced and there also appear to the two small solder repairs to the edges of the setting, and two solder seams possibly due to re-sizing. Occasional stones have chips, fractures or dark mineral inclusions, estimated VS2 to P1 clarity and H to K colour, assessed mounted. Surface wear, scuffs, scratches and chips/nicks to mount, commensurate for use. The partial hallmarks have patchy wear. Width of mount 3.5mm, depth of mount 3mm. Gross weight approximately 4.6gm.

A 18ct gold and platinum daisy cluster diamond ring A/F, total weight, 2.4gLocation:

An Art Deco 18ct and platinum diamond ring 1.8g Location:

An 18ct gold and platinum diamond daisy ring, 2.1gLocation:

An 18ct gold and platinum, sapphire and diamond ring with 9ct gold ring size reducer clip, 2.5gLocation:

An 18ct gold and platinum three stone diamond ring, 1.6g, together with a yellow metal eternity bound inset with white sapphires, 4.5gLocation:

A diamond solitaire ring, set with an estimated approx 0.70cts old cut diamond in a platinum crown mount with an 18ct gold shank. Finger size R, weight 2.3gms Condition Report:Diamond approx dimensions 5.78 x 5.72 x 3.33 =0.70cts

A platinum and synthetic moissanite ring,a round brilliant cut moissanite, approximately 6.7mm, bezel set, tested as approximately platinum,together with a white gold cubic zirconia full eternity ring,2.5mm wide, tested as approximately 14ct gold,Finger size R, QCondition ReportSome tarnish.Marks/scratches.

A three stone diamond ring,three graduated round brilliant diamonds, double claw set to white collets, to solid shoulders and a plain 'D' section shank. Marked 18ct Plat, tested as approximately 18ct and platinum. Finger size JBuying this diamond ring at auction could save up to 0.42 tonnes of CO2e compared to buying new. Condition ReportSurface reaching inclusions to two diamonds, visible under 10x magnification.Mount a little dirty. Would benefit from being cleaned.Diamond sizes: 5.20mm (1), 3.70mm (2) approximately. 

A three stone diamond ring,a row of three graduated old brilliant diamonds, all set in clawed collets, to chenier shoulders and a plain shank. Tested as approximately platinum, 2.46g.Finger size K½Buying this diamond ring at auction could save up to 0.42 tonnes of CO2e compared to buying new. Condition ReportTwo prongs are very worn and need re-tipping.Surface reaching inclusions to the diamonds.Sizing join visible in shank.

An 18ct diamond three stone ring,with three graduated eight cut diamonds star set in platinum collets, damaged, with chenier shoulders and a plain shank. Marked 18ct & Plat, tested as approximately 18ct gold and platinum. Finger size L approximatelyCondition ReportWeight: 1.36gShank slightly misshapen.Damage to the underbezel of the platinum collet. Metal splitting and deficient under the centre stone.

A platinum wedding band, 4.8mm wide flat section with bright cut pattern ring size P, 6.7g; a 1.8mm wide D shape band in yellow and white metal size M, marked 22ct. PT, 2g; a platinum diamond set full eternity ring, oval and out of shape, 2.4g.Qty: 3

A diamond three stone ring, the brilliant cut stones claw set in a platinum mount ring size I, 2.7mm wide shank and shoulders, stones measuring 3.6mm (1), 3.4mm (2), and two plain polished platinum D shape wedding bands, 2.9mm size I, 3mm size I, total gross weight of lot 13g.Qty: 3

Yellow metal gate link bracelet, white and yellow metal rings and scrap yellow metal, a yellow metal gate link bracelet, marked 9ct, damaged, 6.0g; a white metal ring, marked Platinum, 2.4g; other 9 carat yellow gold and yellow metal rings; and scrap yellow metal.Qty: 1 box

Seven mystic topaz and other gemstone pendants, bracelets and ring, to include a mystic topaz and synthetic white stone cluster pendant in 9 carat yellow gold, on a yellow metal trace link chain marked 375; a mystic topaz three stone ring, in yellow metal marked 9K, ring size L1/2; two mystic topaz and diamond bracelets, infinity symbol dividers, in silver, 18cm; another bracelet; and two mystic topaz and mixed gemstone pendants, in platinum overlay sterling silver, on white metal chains marked 925, with CoAs; some boxed.Qty: 7

A tanzanite and diamond ring, the oval mixed cut tanzanite 10.4x8.3mm, four claw set in a platinum mount ring size T, two tapered baguette cut diamonds set into each shoulder, gross weight 4.6g. Rhapsody box and certificate stating tanzanite being aaaa 3.023 carats, total weight of diamonds 0.056 carat.

A diamond solitaire ring, the brilliant cut stone tension set in a platinum mount ring size N, 0.40 stamped inside shank indicating carat weight, 4.5g. new, unworn and boxed.

An 18ct and platinum three stone diamond ring, the three graduated round brilliant cut diamonds, set to a plain band stamped 18ct PLAT, size O, 2.0g

An 18ct and platinum diamond ring, the three round diamonds, illusion set to with engraved shoulders and plain band stamped 18ct & PT, size J, 2.2g

An 18ct and platinum sapphire and diamond ring, the central square step cut sapphire set to either side with a round brilliant cut diamond, 0.20cts, all claw mounted with a plain band stamped 18ct PLAT, size I, 2.6g

An 18ct and platinum diamond ring, the three illusion set diamonds, in a crossover mount, with plain band stamped 18ct Plat, size N-O, 2.9g

An 18ct and platinum diamond ring, the round graduated diamonds, illusion set to a plain band stamped 18ct PLAT, size P-Q, 2.3g

An 18ct and platinum sapphire and diamond ring, the central round sapphire set to either side with illusion set diamonds, with plain band stamped 18ct PLAT, size M, 2.9g

Diamond five stone ring with five old cut diamonds in platinum claw setting on 18ct gold shank. Estimated total diamond weight approximately 1ct. Ring size V½.

Diamond three stone ring with three old cut cushion shape diamonds in platinum claw setting on 18ct gold shank. Estimated total diamond weight approximately 1.68cts. Ring size Q½.The diamonds are all well matched stones and estimated to weigh approximately 0.35ct, 0.95cts and 0.38cts each. The diamonds are of good clarity, no obvious inclusions although one of the smaller stones has a tiny surface reaching inclusion/fissure. Thr diamonds are very deep stones. Estimated colour M/N but lively and bright. The setting and shank are in good condition. Weighs approximately 4.7 grams. 

Ruby and diamond cluster ring with an oval mixed cut ruby surrounded by a border of single cut diamonds in platinum setting on 18ct gold shank. Ring size N½.The ruby is in good condition. The diamonds are all well matched stones. Setting in good condition, the shank is slightly mis-shaped. Weighs approximately 4.0 grams.