We found 46735 price guide item(s) matching your search

A platinum cushion-shape pink sapphire and brilliant-cut diamond three-stone ring, sapphire estimated weight 2ct, estimated total diamond weight 1ct, J-K colour, SI clarity, band stamped PLAT, ring size O1/2, 6gCondition- Overall good condition- Sapphire is a medium pink hue, with very good clarity and moderate central windowing- Sapphire appears to have silk inclusions- Sapphire is in good condition, with minor abrasions- Diamonds are well matched, lively and bright- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

An early 20th century platinum old-cut diamond two-stone crossover ring, with asymmetric shoulders, estimated total diamond weight 0.55ct, H-J colour, SI2-P1 clarity, band stamped PLAT, ring size N, 2.5gCondition- Overall good condition- Diamonds are well matched, lively and bright- One diamond has a natural indent and associated cavity to girdle, extending into the table- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

A platinum oval-shape tanzanite and vari-cut diamond cluster ring, with slightly tapered shoulders, tanzanite estimated weight 1.70ct, estimated total diamond weight 1.20ct, H-I colour, SI1-P1 clarity, ring size O, 7.5gCondition- Overall good condition- Tanzanite is a vivid deep purple hue, with good clarity- Tanzanite is in good condition, with some abrasions- Diamonds are well matched and bright- Length of ring head approximately 1.6cm- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

A platinum brilliant-cut diamond half eternity ring, estimated total diamond weight 0.25ct, H-I colour, VS clarity, hallmarks for Birmingham, ring size I, 3.8gCondition- Overall good condition- Diamonds are very well matched, lively and bright- Band very slightly out of shape- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

A platinum brilliant-cut diamond three-stone ring, with asymmetric shoulders, estimated total diamond weight 0.60ct, principal diamond estimated weight 0.50ct, H-I colour, VS clarity, hallmarks for London 2015, ring size N1/2, 3.9gCondition- Overall good condition- Diamonds are very well matched, lively and bright- Principal diamond with no obvious inclusions under 10x magnification- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

A platinum brilliant-cut diamond single-stone ring, with slightly tapered shoulders, diamond estimated weight 0.55ct, J-K colour, SI clarity, band stamped PLAT, ring size K, 4.3gCondition- Overall good to fair condition- Diamond is bright and lively- Diamond has a few, mostly light scattered inclusions- Band shows evidence of resizing- Band has some scratches and discolouration- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

An Art Deco platinum cushion-shape sapphire dress ring, with brilliant-cut diamond accent openwork shoulders, sapphire estimated weight 4.80ct, estimated total diamond weight 0.20ct, band stamped PLAT, ring size P, 5.8gCondition- Overall good condition- Sapphire is a medium blue hue, with good clarity- Sapphire with a few eye visible inclusions as well as uninterrupted silk inclusions- Sapphire is in good to fair condition, with some abrasions a small nick to the girdle- Sapphire measures approximately 10.7 by 8.2 by 6.4mm- Diamonds are well matched and bright- Length of ring head approximately 1.2cm- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

A mid 20th century platinum aquamarine single-stone dress ring, with single-cut diamond duo sides and grooved shoulders, aquamarine estimated weight 5.50ct, estimated total diamond weight 0.10ct, ring size L1/2, 5.1gCondition- Overall good condition- Aquamarine is a medium, slightly greyish blue hue, with good clarity- Aquamarine is in good condition, with minor abrasions- Diamonds are well matched and bright- Length of ring head approximately 1.3cm- Band shows evidence of resizing- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

Theo Fennell, a platinum brilliant-cut diamond single-stone ring, with grooved shoulders, signed Fennell, diamond estimated weight 0.50ct, H-I colour, VS clarity, hallmarks for London 1991, ring size G, 5.6gCondition- Overall good condition- Diamond is bright and lively- Band shows evidence of resizing- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

Elsa Peretti for Tiffany & Co., a platinum brilliant-cut diamond single-stone ring, with curved band, signed Peretti Tiffany & Co., diamond estimated weight 0.20ct, G-H colour, VS clarity, import marks for London 1997, ring size K, 5.8gCondition- Overall good condition- Diamond is lively and bright, with no obvious inclusions under 10x magnification- Diamond has some abrasions and a few minor nibbles to the facet edges- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

Tiffany & Co., a platinum brilliant-cut diamond Embrace half eternity ring, signed Tiffany & Co., estimated total diamond weight 0.30ct, G-H colour, VS clarity, hallmarks for London 2015, ring size M, 2.4gCondition- Overall very good condition- Diamonds are very well matched, lively and bright- Diamonds have no obvious inclusions visible under 10x magnification- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

A platinum cushion-shape yellow sapphire and brilliant-cut-cut diamond cluster dress ring, sapphire estimated weight 1.60ct, estimated total diamond weight 0.60ct, H-I colour, SI clarity, band stamped PLAT, ring size N1/2, 4.8gCondition- Overall good condition- Sapphire is a medium vibrant orangish yellow hue, with good clarity and minor central windowing- Sapphire is in good condition, with minor abrasions- Diamonds are well matched, lively and bright- Length of ring head approximately 1.3cm- Clients are advised to view and inspect items before bidding and they must satisfy themselves as to the condition of every lot- For enquiries about this lot please contact David Pregun at david@kinghamsauctioneers.com

18ct Gold & Platinum Diamond Solitaire Ring (2.1g)

An 18ct gold and platinum single stone diamond ring, claw set with a brilliant cut stone weighing approximately 0.30cts, colour estimate G/H. clarity estimate VS2, P, 1.9gm

A Diamond Three Stone Ring, the graduated old cut diamonds in white claw settings, to a tapered shoulder plain polished shank, total estimated diamond weight 0.80 carat approximately, finger size TIt is stamped 'PLATINUM' and in our opinion would test as such. Gross weight 3.6 grams.

An 18ct gold and platinum diamond two stone ring, weight 4.2g

A RUBY AND DIAMOND DRESS RING in platinum, set with four round brilliant cut diamonds within concentric stylised borders of French cut rubies and round brilliant cut diamonds, the shoulders set with further diamonds, the diamonds all totalling 1.00 carat, no assay marks, size M1/2 / 6.5, 5.4g.

AN AQUAMARINE RING in platinum, set with an oval cut aquamarine between two pear cut aquamarines, the aquamarines all totalling 6.50 carats, stamped PLAT, size N / 6.5, 8.8g. 

18ct white gold and platinum solitaire diamond ring, approx total weight 2.1g

18ct yellow gold and platinum diamond ring, approx total weight 2.3g

18ct yellow gold and platinum three stone diamond ring, approx total weight 1.9g

18ct yellow gold and platinum three stone diamond ring, approx total weight 2.0g

Two 9ct gold and diamond rings and a platinum and diamond ring, approx total weight 9.9g

Two 22ct gold wedding rings and a platinum wedding ring two gold rings, weight 4.3g; platinum, 1.8g.

AN 18ct AND PLATINUM DIAMOND FOUR STONE RING WITH DIAMOND SET SHOULDERS, FINGER SIZE L 1/2, WEIGHT 2.84grms

A 9ct HALLMARKED ABSTRACT NECKLACE, TOGETHER WITH AN 18ct AND PLATINUM DIAMOND RING. GROSS WEIGHT 7.45grms.

Antique 18ct gold and platinum illusion set diamond (5) ring - size M½ & 2.2g total weight

Antique 18ct gold & platinum 3 stone diamond illusion set crossover ring - size L & 2g total weight

Antique 18ct & platinum 5 stone diamond ring - size M & 1.6g total weight

An 18ct yellow gold & platinum Art Deco ring set with a central step cut emerald, approx. 0.27 carats, surrounded by small round single cut diamonds, total diamond weight approx. 0.20 carats, 2.72gm, size K 1/2 to L, (please note the stones were measured within the restrictions of their settings).

An 18ct yellow & white gold fancy link 18" chain, 10.66gm, an 18ct yellow gold woven design ring, 7.00gm, size N, and an 18ct yellow gold & platinum three stone ring set with small diamonds, 1.91gm, size R 1/2, (3)

An impressive platinum six claw solitaire ring set with a round brilliant cut diamond, approx. 4.00 carats, the diamond measures 10.15mm x 6.35mm, in the valuation by Michael Spiers the colour is stated to be colour J-K and SI2 clarity, size L 1/2, 7.1gm,  comes with a photocopy of a Valuation for Insurance from & by Michael Spiers, dated 8th August 2007 for £32,950 and a photocopy of the original receipt from Michael Spiers.

A platinum solitaire ring set with a 0.47 carat round brilliant cut diamond, colour F & SI2 clarity, 3.95gm, size L to L 1/2 and a platinum shaped wedding band set with approx. 0.45 carats of round brilliant cut diamonds, approx. colour G & VS1-2 clarity, 4.48gm, size L 1/2 to M, comes with a photocopy of Valuations for Insurance for both rings from Robins Brothers, Plymouth, the solitaire ring for £2,850 & the wedding band £1,550, dated 22 October 2022 (2).

An antique platinum three stone ring set with old mine cut diamonds, total diamond weight approx. 0.72 carats, the colour and clarity vary throughout the stones with the centre stone having a faint yellow hue, 2.12gm, size L 1/2, comes with the original copy of receipt from Holts in Devon dated 17th April 2019 for £1295, the receipt states total diamond weight 0.60ct but we have calculated it to be slightly more by measuring diameter & depth but please note stones have been measured within the restrictions of the settings).

A PLATINUM DIAMOND HALF HOOP RING channel-set with round brilliant-cut diamonds between milgrain borders. Estimated total diamond weight 0.25ct, hallmarked London 2021, ring size M, 7.1 gramsGood condition. Estimated colour: D/E; estimated clarity: SI1/SI2.

A PLATINUM SAPPHIRE AND DIAMOND HALF HOOP RING round-cut sapphires spaced by round brilliant-cut diamonds. Estimated total diamond weight 0.30ct, hallmarked London 2021, ring size M1/2, 3.7 gramsGood condition. Estimated diamond colour: H/I; estimated clarity: SI1/SI2.

A PLATINUM DIAMOND CLUSTER RING a round brilliant-cut diamond within a diamond-set halo border and to forked diamond-set shoulders. Principal diamond weight 0.59ct, estimated total diamond weight 1.15ct, hallmarked London, ring size N, 6.5 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624142517, 1 December 2022, stating the central diamond weighs 0.59ct; colour G; clarity SI2.Good condition.

A PLATINUM MARQUISE-CUT DIAMOND CLUSTER RING a marquise-cut diamond within a diamond-set border and to diamond-set shoulders. Principal diamond weight 0.52ct, estimated total diamond weight 0.85ct, hallmarked London 2021, ring size L1/2, 3.5 gramsAccompanied by a GIA Diamond Dossier, 2215291864, 2 December 2020, stating the central diamond weighs 0.52ct; colour G; clarity SI2; fluorescence none; the diamond is laser inscribed GIA 2215291864.Good condition.

A PLATINUM SOLITAIRE DIAMOND RING a pear-cut diamond in a claw setting. Estimated diamond weight 0.9ct, hallmarked Edinburgh 2013, ring size P, 4.9 gramsGood condition. Estimated colour: E/F; estimated clarity: SI1/SI2.

A PLATINUM SAPPHIRE AND DIAMOND THREE STONE RING a cushion-cut sapphire spaced by round brilliant-cut diamonds. Total diamond weight 0.61ct, hallmarked Sheffield, ring size L1/2, 5.8 grams Accompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624142196, 13 December 2022, stating the sapphire weighs 2.81ct, natural Sri Lanka (Ceylon) origin with no indication of treatment; the diamonds weigh 0.61ct; colour: G/H; clarity: SI1/SI2Some minor nibbling to the girdle edge of the sapphire. The sapphire measures 8.11mm x 8.64mm x 4.23mm approximately

A PLATINUM PERIDOT AND DIAMOND CLUSTER RING an oval-cut peridot within a halo border of round brilliant-cut diamonds. Estimated total diamond weight 0.10ct, hallmarked London 2021, ring size L1/2, 3.1 gramsGood condition. The peridot measures 7.90mm x 5.99mm x 3.90mm approximately. Estimated diamond colour: H/I; estimated clarity: SI1/SI2

A PLATINUM DIAMOND FIVE STONE RING round brilliant-cut diamonds in claw settings. Total diamond weight 1.54ct, hallmarked London 2018, ring size L1/2, 5.4 gramsAccompanied by five International Gemological Institute (IGI) Diamond Reports: 130427578, 130427570, 130427581, 134468424, and 113497726, each stating each corresponding diamond weighs 0.31ct; colour E; clarity 1x VS2, 4x SI1.Good condition.

A GROUP OF VICTORIAN AND LATER JEWELLERY comprising A BAND RING, marked 'PLATINUM', ring size M, 2.6 grams; A PAIR OF VICTORIAN SCOTTISH HARDSTONE PENDANT EARRINGS, with screw fittings, 4cm by 2.5cm; A LAVA CAMEO BROOCH / PENDANT ON CHAIN; A LAVA CAMEO STICKPIN; A MICRO MOSAIC BROOCH; AN ART NOUVEAU PASTE SET PENDANT; and A GLASS BEAD NECKLACE. (Qty)Platinum ring worn. Scottish earrings with fairly heavy abrasion and wear to metal. Minor wear to micro mosaic brooch. Light rubbing to cameos. Light general wear to all pieces.

A PLATINUM SOLITAIRE DIAMOND RING a round brilliant-cut diamond in a claw setting. Principal diamond weight 0.710ct, hallmarked London 2021, ring size L1/2, 4.2 grams Accompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624132280, 17 May 2022, stating the central diamond weighs 0.71ct; colour J; clarity SI2.Good condition

A PLATINUM MORGANITE AND DIAMOND CLUSTER RING an octagonal-cut morganite within a milgrain border of round brilliant-cut and princess-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.70ct, hallmarked London 2021, ring size L1/2, 8.6 gramsGood condition. The morganite measures 8.50mm x 7.00mm x 4.28mm approximately. Estimated diamond colour: F/G; estimated clarity: VS2/SI1.

A PLATINUM SOLITAIRE DIAMOND RING a round brilliant-cut diamond in a claw setting to channel-set diamond shoulders. Principal diamond weight 0.46ct, estimated total diamond weight 0.60ct, hallmarked London, ring size L1/2, 3.8 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624136920, 6 May 2022, stating the central diamond weighs 0.46ct; colour F; clarity SI2.Good condition.

A PLATINUM DIAMOND THREE STONE RING a princess-cut diamond spaced by round brilliant-cut diamonds. Estimated total diamond weight 0.55ct, hallmarked London 2018, ring size M, 3.5 gramsAccompanied by a GIA Diamond Dossier, 2185055236, 6 December 2016, stating the central diamond weighs 0.30ct; colour D; clarity VS2; fluorescence none; the diamond is laser inscribed GIA 2185055236.Good condition.

A PLATINUM PRINCESS-CUT DIAMOND CLUSTER RING a princess-cut diamond within a diamond-set halo milgrain border and to diamond-set shoulders. Principal diamond weight 0.64ct, estimated total diamond weight 0.95ct, hallmarked London, ring size M, 4.6 gramsAccompanied by a GIA Diamond Dossier, 2225153015, 17 November 2021, stating the central diamond weighs 0.64ct; colour H; clarity SI2; fluorescence none; the diamond is laser inscribed GIA 2225153015.Good condition.

A PLATINUM DIAMOND TWO STONE CROSSOVER RING two round brilliant-cut diamonds, to diamond-set crossover shoulders. Estimated total diamond weight 1.30ct, hallmarked London 2015, ring size L1/2, 5.2 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI9624141746, 30 September 2022, stating the total weight of the two principal diamonds is 1.21ct; colour D; clarity SI1.Good condition.

A PLATINUM OCTAGONAL-CUT DIAMOND CLUSTER RING an octagonal-cut diamond within a diamond-set border and to diamond-set shoulders. Principal diamond weight 0.50ct, estimated total diamond weight 0.70ct, hallmarked London 2021, ring size L1/2, 3.7 gramsAccompanied by a GIA Diamond Dossier, 6227064747, 18 October 2021, stating the central diamond weighs 0.50ct; colour G; clarity SI1; fluorescence none; the diamond is laser inscribed GIA 6227064747.Good condition.

A PLATINUM DIAMOND CLUSTER RING pavé-set with round brilliant-cut diamonds. Estimated total diamond weight 0.60ct, hallmarked London 2021, ring size N, 7.5 gramsGood condition. Estimated colour: G/H; estimated clarity: SI1/SI2.

A PLATINUM CUSHION-CUT DIAMOND CLUSTER RING a cushion-cut diamond within a diamond-set milgrain border and to diamond-set shoulders. Principal diamond weight 0.70ct, estimated total diamond weight 1.00ct, hallmarked London 2021, ring size L1/2, 4.3 gramsAccompanied by a Diamond Report, International Gemological Institute (IGI), 496130367, 18 October 2021, stating the central diamond weighs 0.70ct; colour I; clarity VS1; fluorescence none; the diamond is laser inscribed IGI 496130367.Good condition.

A PLATINUM EMERALD AND DIAMOND CLUSTER RING an octagonal-cut emerald within an octagonal border of round brilliant-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.65ct, hallmarked London 2021, ring size L1/2, 8.3 gramsGood condition. The emerald measures 5.48mm x 5.15mm approximately. Estimated diamond colour: G/H; estimated clarity: VS2/SI1.

A PLATINUM SOLITAIRE DIAMOND RING a round brilliant-cut diamond in a claw setting, to forked diamond-set shoulders. Principal diamond weight 0.52ct, estimated diamond total weight 0.770ct, hallmarked London, ring size L1/2, 5.1 gramsAccompanied by a Jewellery Report, World Gemological Institute (W.G.I), WGI96241369334, 6 May 2022, stating the central diamond weighs 0.52ct; colour I; clarity SI2.Good condition.

A diamond ring, liner set with three old brilliant cut diamonds, total estimated diamond weight approx 0.20ct, 18ct gold and platinum shank, size N, 2.4g gross

Platinum band ring, maker CG&S, 4g size P

A 950 platinum ring set with a blue stone flanked by brilliant cut diamonds, approx. 0.5ct diamonds, (K).

Two ringsthe first an 18ct yellow gold and platinum example, with diamond chips and a blue central square stone (untested), size L/M, 1g approx overall and a yellow precious metal ring marked '375' with channel set rubies and diamonds, size N, 2g approx overall (2) At present, there is no condition report prepared for this lot, this in no way indicates a good condition, please contact the saleroom for a full condition report.

18ct GOLD & PLATINUM BLUE STONE & DIAMOND RING, principal large brilliant cut blue stone, possibly blue zircon, surrounded by accent brilliant cut diamonds in 18ct and platinum setting, size H

18ct YELLOW GOLD & PLATINUM CITRINE & DIAMOND RING, principal fancy cushion cut citrine with accent brilliant cut diamonds to each shoulder, in 18ct and platinum setting, size M