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

Tiffany & Co., a platinum brilliant-cut diamond single-stone ring, signed Tiffany & Co., with report from Tiffany & Co., stating 0.26ct, F colour, VVS1 clarity, hallmarks for London 2005, ring size L1/2, 3.5gCondition- Overall very good condition- Please see report for further details of the diamond- Diamond is very bright and lively- 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 18ct gold and platinum brilliant-cut diamond floral cluster dress ring, estimated total diamond weight 0.75ct, I-J colour, P1 clarity, band stamped 18CT PLAT, ring size P, 3.7g Condition- Overall good to fair condition- Diamonds are well matched and bright- Diamonds have light and dark, scattered inclusions, some of which may be eye visible- Inside of band shows some discolouration from previous acid testing- 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 ruby and brilliant-cut diamond cluster dress ring, with similarly-cut diamond line shoulders, ruby weight 2.05ct, total diamond weight 1.17ct, each engraved to band, diamonds estimated H-I colour, VS clarity, hallmarks for London 2023, ring size M, 7.3gCondition- Overall very good condition- Ruby is a vivid pinkish red hue, with fair clarity- Ruby is in good condition, with minor abrasions- Diamonds are well matched, lively and bright, with minor inclusions only- 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

An early 20th century 18ct gold and platinum, old-cut diamond single-stone ring, with tapered shoulders, diamond estimated weight 1.05ct, I-J colour, SI clarity, band stamped 18ct & pt, ring size O, 3.1gCondition- Overall good condition- Diamond is lively and bright- Diamond with mostly small, scattered inclusions, visible under 10x magnification only- Diamond has a few small nibbles and two small chips to the girdle- 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 three-stone ring, with stylised fleur-de-lys shoulders, estimated total diamond weight 3.50ct, I-J colour, VS2-SI clarity, later hallmarks for London, ring size K1/2, 3.7gCondition- Overall good condition- Diamonds are well matched, lively and bright- Principal diamond estimated weight 1.75ct- Non-principal diamonds estimated weight 0.92ct and 0.83ct resepctively- Principal diamond with a few mostly dark, scattered inclusions- 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 tanzanite and brilliant-cut diamond cluster dress ring, with similarly-cut diamond line shoulders, tanzanite estimated weight 2ct, estimated total diamond weight 0.30ct, partial hallmarks for London, ring size M1/2, 5.6gCondition- Overall good condition- Tanzanite is a deep purple hue, with good clarity- Tanzanite is in good to fair condition, with some abrasions and a few nibbles to the facet edges- Diamonds are well matched and bright- Length of ring head approximately 1.1cm- 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 spessartite mandarin garnet and pear-shape diamond three-stone ring, garnet estimated weight 2ct, estimated total diamond weight 0.40ct, H-I colour, VS2-SI1 clarity, hallmarks for London 2023, ring size L1/2, 6.1gCondition- Overall very good condition- Garnet is a vivid orange hue, with good clarity- Garnet 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

A platinum brilliant-cut diamond and pear-shape sapphire three-stone ring, with scrolling engraved gallery, diamond weight 0.71ct, total sapphire weight 0.36ct, each engraved to band, diamond estimated G-H colour, SI clarity, hallmarks for London 2017, ring size I, 4.3gCondition- Overall very good condition- Diamond is lively and bright, with mostly small, dark scattered inclusions- Sapphires are a well matched, deep blue hue, with good clarity- Sapphires are in good condition, with some abrasions and a few small 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

A platinum heart-shape diamond single-stone ring, diamond estimated weight 1.25ct, H-I colour, SI clarity, hallmarks for Birmingham, ring size Q1/2, 7.1gCondition- Overall good condition- Diamond is lively and bright- Diamond has a few small, dark scattered inclusions- Length of ring head approximately 1cm- 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 18ct gold and platinum diamond five stone ring

An Art Deco 18ct gold and platinum diamond three stone ring

Platinum marked Rhapsody ring set with heart shaped tanzanite & 2 diamonds - size O & 9.6g total weight

Impressive platinum (?) squared cluster ring set with sapphire & diamonds, Platinum mark is rubbed - size K & 6.9g total weight

Platinum half eternity ring set with 21 diamonds (11 brilliant & 10 baguette) ring - size L & 3.5g total weight

Platinum diamond crossover ring with 2 larger centre stones (approx 4.5mm diameter) - size N½ & 5.7g total weight

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

18ct gold & platinum 5 stone diamond (1 stone missing) ring - size Q & 2.8g total weight

DIAMOND THREE STONE RINGthe diamonds totalling approximately 0.45cts, in eighteen carat gold and platinum, ring size O-P and approximately 2.5 grams

ILLUSION SET DIAMOND SINGLE STONE RINGon eighteen carat gold shank with platinum setting, the diamond approximately 0.07cts, ring size L and approximately 1.9 grams

An 18ct gold, platinum, ruby and diamond cluster ring, the pinkish-red oval cut ruby, 6 x 5mm., within a border of eight brilliant cut diamonds, total approx. 1.2ct., size L½.

An 18ct gold, platinum, opal and diamond cluster ring, hallmarked Birm. 1989, the elongated oval cabochon opal, 21.5 x 10mm., with vibrant green, orange, kingfisher blue and gold iridescence, within a scalloped millegrain border of eight cut diamonds, size N.* Condition: Some small scratches to the surface of the opal visible through a 10x lens. They are not visible to naked eye. No cracks or chips to the opal. The small diamonds all appear original and are well matched. The millegrain edge has slight wear The claws throughout are in good condition. The shank has not been sized, has clear hallmarks and is in good condition.

A platinum, sapphire and diamond engagement ring, the principal, brilliant cut diamond weighing approx. 0.50ct, in a four claw setting above shoulders set with alternate small brilliant cut diamonds and round cut sapphires, size J.

A platinum and single stone diamond ring, the old cushion cut stone originally from an antique piece of jewellery, approx. 0.70ct, in a claw setting, over chenier shoulders, size I.

A platinum and diamond five stone half eternity ring, with five claw set brilliant cut diamonds, total weight approx. 0.75ct, size K.

A platinum, Tanzanite and diamond three stone ring, London 2012, the 3.15ct emerald cut Tanzanite flanked by two tapered princess cut diamonds, total 1.09ct, size L. * With valuation and certificate from Ray & Scott Ltd., Guernsey, dated 8th June 2013

A platinum, diamond and sapphire twist ring, with two interwoven rows of brilliant cut diamonds and taper cut sapphires, size M. 

A mid-century 18ct yellow gold, platinum and diamond three stone ring, the millegrain setting holding three graduated brilliant cut diamonds, approx. 0.35ct, size L.

A platinum and diamond ring, the principal approx. 1.23ct emerald cut diamond with accompanying GIA certificate dated 7th Jan. 2014, no. 5166516638, grading the diamond as H colour, clarity VS2, over split, diamond set shoulders. approx. 0.28ct, size L½.

A mid-century 18ct gold, platinum, sapphire and diamond cluster ring, the diamond shaped cluster with a central diamond cut sapphire, within a scalloped border of eight cut diamonds, over tapered diamond set shoulders, size P.* Condition: Sapphire is not chipped, but it does have a tiny scratch to the table (visible in photo) and very, very slight wear to the table edges. Some wear to millegrain edge and claws but the stones are all securely set. Shank has not been sized and is in good condition.

A platinum and ruby full eternity ring, has been cut, several of the rubies now loose; together with a small quantity of loose paste stones; two pairs of pearl stud earrings; a pair of 9ct gold dress studs; etc. (qty)

Leo de Vroomen - a platinum and cabochon aquamarine ring, and a pair of ear clips en suite, the ring hallmarked 'L.D.V', London 2000, with stamped 'de Vroomen' signature, the 16 x 13mm. cabochon aquamarine collet set over a wide band with planished finish and strapwork shoulders, size L; together with a pair of matching de Vroomen ear clips, hallmarked London 2000, 28mm. long; and a matched pendant made by Catherine Best of Guernsey, c.2003, 50mm.long, on an 18ct white gold snake chain. (4)* Provenance (the ring and earrings): Boodle & Dunthorne, Regent Street, London, with accompanying insurance valuation documents dated 2001. The Catherine Best pendant with Certificate of Authenticity.

An 18ct white gold, platinum, emerald and diamond cluster ring, the 6.5 x 4.5mm. emerald, approx. 0.50ct, within a border of ten brilliant cut and two marquise cut diamonds, total approx. 0.6ct, over split shoulders, size M½.* Condition: One minute chip to edge of table on emerald. No other damage. The claws are in VG cdn and the stones are all secure. Shank has been sized but hallmark not affected. Diamonds are well matched, quite clean and bright - one of the marquise cut diamonds has two tiny carbon spots near one end. 

A platinum and diamond single-stone ring, set with a brilliant-cut diamond, diamond approx. 0.81ct, ring size M.

A platinum and diamond single stone ring, the brilliant cut diamond, approx. 0.85ct, in a four claw setting, over tapered shoulders, size P½.

A vintage platinum, paladium and diamond five stone ring, claw set with a graduation of five old brilliant cut diamonds with cut culets, total diamond weight approx. 2.12ct, over chenier shoulders, size T½.

A mid-century 18ct gold, platinum and diamond five stone ring, the graduation of brilliant and eight cut diamonds in bright cut illusion settings, total approx. 0.3ct, size N½.

A vintage white sapphire solitaire ring, the round-cut stone of approx 0.2 ct platinum millegrain bezel set within a cusped frame on an 18 ct gold shank, L/M, 1.1 g

An early 20th Century emerald and diamond finger ring, comprising a central cushion-cut stone platinum millegrain set within an open arrangement of similarly set round white stones, on an 18 ct yellow metal shank, P, 2.3 g, central stone 4 mm x 3 mm

A DIAMOND HALF ETERNITY RING in platinum, set with a row of round brilliant cut diamonds accented by a beaded border, full British hallmarks, size M / 6.25, 7.1g. 

AN EMERALD AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut emerald of 1.00 carats accented on each side by tapered baguette cut diamond, inscribed 1.00, full British hallmarks, size M1/2 / 6.5, 4.9g. 

A DIAMOND SNAKE RING in 18ct yellow and rose gold and platinum, designed as three coiled snakes each set to the head with a round brilliant cut diamond, stamped PT900 18K, size P / 7.75, 8.5g. 

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut sapphire of 1.48 carats in a cluster of round brilliant cut diamonds all totalling 1.00 carat, inscribed 1.48 1.00, stamped Pt900, size M / 6.25, 8.5g. Accompanied by a facsimile gemmological report stating that the sapphire is of Burmese origin with no indication of heat treatment. 

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut sapphire of 1.91 carats accented on each side by a round brilliant cut diamond, inscribed S1.91/D0.50, partial British hallmarks, size M1/2 / 6.5, 4.9g. 

SACHI, A PINK DIAMOND DRESS RING in platinum and 18ct yellow gold, the oval face pave set with round brilliant cut pink diamonds in a border of round brilliant cut white diamonds, the stylised band accented by yellow gold twigs, inscribed 1.52, signed Sachi, stamped PT900 18K, size P1/2 / 8, 16.6g. 

A RUBY AND DIAMOND BALLERINA RING in platinum, set with a cushion cut ruby of 0.76 in a border of tapered baguette cut diamonds, the diamonds all totalling 1.01 carats, stamped Pt900, size K1/2 / 5.5, 9.1g. 

A DIAMOND HALF ETERNITY RING in platinum, set with a row of round brilliant cut diamonds, partial British hallmarks, size M / 6.25, 3.0g. 

A COLOMBIAN EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 1.02 carats in a cluster of round brilliant and baguette cut diamonds, the band set with further diamonds, inscribed E1.02 D0.97, stamped Pt900, size O / 7.25, 6.5g. Accompanied by a gemmological verbal assessment stating that the emerald is of Colombian origin. 

AN EMERALD AND DIAMOND DRESS RING in platinum, set with curved rows of marquise cut emeralds and round brilliant cut diamonds, the emeralds all totalling 0.9-1.0 carats, full British hallmarks, size P / 7.75, 11.3g. 

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal step cut emerald of 0.60 carats in a border of round brilliant and baguette cut diamonds, the band set with further diamonds, inscribed 0.603 D1.00, stamped Pt900, size L1/2 / 6, 4.8g. Accompanied by a facsimile report from GIA stating that the emerald is of Zambian origin with minor clarity enhancement. 

A CEYLON NO HEAT SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut sapphire of 2.71 carats accented on each side by a half moon cut diamond, the diamonds both totalling 0.51 carats, inscribed 2.71 0.51, stamped Pt900, size L1/2 / 6, 5.6g. Accompanied by a facsimile gemmological report from GIA stating that the sapphire is of Ceylon (Sri Lankan) origin with no indication of heat treatment. 

A DIAMOND HALF ETERNITY RING in platinum, set with a row of baguette cut diamonds all totalling 1.05 carats, full British hallmarks, size L1/2 / 6, 5.1g. 

A DIAMOND THREE STONE RING in platinum, set with three round brilliant cut diamonds, full British hallmarks, size L / 5.75, 4.9g. 

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.