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Lot 720
A 19th century silver coloured metal portrait miniature frame, set with coloured stones, within an open work frame, 9.5cm high; a George III silver-gilt, rock crystal and paste mount, c. 1770, (faults); an Art Deco white metal, probably platinum, diamond set brooch mount; an Art Deco white metal diamond chequer board eternity ring, (faults); a pair of gentleman's moonstone cufflinks; etc Provenance: From the Estate of Lady Elizabeth Georgiana Alice Cavendish CVO (24 April 1926 -15 September 2018), daughter of Edward Cavendish, 10th Duke of Devonshire, Chatsworth House, Derbyshire
Lot 691
A diamond trilogy line ring, three stepped round brilliant cut diamonds, central round brilliant cut diamond approx 0.55ct, flanked by conforming smaller diamonds, total estimated diamond weight approx 1.00ct, platinum shank, London 2008, size K, 3.8g gross, Lumbers crocodile skin effect case and box
Lot 105
A circular diamond cluster formed of seven brilliant cut diamonds, set platinum and yellow gold, size T; to/w diamond set ballerina cluster ring set 18ct yellow gold, size M, and amethyst and diamond cluster ring, the central circular amethyst surrounded by eight small diamonds, 18ct yellow gold, size P/Q, approx 9.2g all in (3)
Lot 1015
Seven gem-set rings, including a diamond cluster ring, set in yellow gold, size P, a diamond half hoop ring set in silver and gold, size J, a diamond solitaire ring, set with shoulder diamonds in platinum and yellow gold, size J, a diamond cluster ring, size L, a diamond solitaire ring, set in yellow gold, size L, an amethyst ring, size H 1/2 and a ruby and diamond cluster ring set in platinum and yellow gold, size N
Lot 1106
A diamond solitaire ring, the round brilliant-cut diamond weighs 0.73cts, set in platinum, with maker's mark DE and with London hallmarks for 2018, size X Accompanied by report number 1192029774 from GIA stating that the round brilliant-cut diamond weighs 0.73cts and is a natural diamond with H colour, SI1 clarity and no fluorescence.
Lot 1111
A diamond solitaire ring, claw-set with a princess-cut diamond on plain platinum band, maker's mark EF and London hallmarks for 2005, with a plain shaped platinum wedding band, maker's mark B&Co, both size L 1/2 Accompanied by report number 12820356 dated 8 September 2003 from GIA stating that the square modified brilliant-cut diamond weighs 1.05cts and is a natural diamond with E colour, VS2 clarity and no fluorescence.
Lot 1287
An early 20th century jade and diamond ring, the jadeite jade cabochon set within graduated diamond shoulders in platinum, size M 1/2 Accompanied by report number 79230-78 dated 28 August 2019 from GCS, London stating that the cabochon-cut jade weighs 15.00cts approx and is a natural green jadeite jade with no indications of impregnation.
Lot 1313
A diamond solitaire ring by Cartier, the round brilliant-cut diamond weighs 0.71cts and is claw set with further graduated circular-cut diamonds to the shoulders in platinum, with French control mark, maker's lozenge, signed, size K Accompanied by Cartier GIA diamond dossier containing report number 6117917718 stating that the round brilliant-cut diamond weighs 0.71cts and is a natural diamond with H colour, VVS1 clarity and no fluorescence.
Lot 1343
A diamond solitaire ring by Tiffany & Co, the round brilliant-cut diamond weighs 0.57cts and is Tiffany-set® in platinum on a plain knife-edge band, signed and with maker's mark, London hallmarks for 2001, size J 1/2, case by Tiffany & Co Accompanied by Tiffany&Co diamond certificate number 16731668/C01050068 stating that the round brilliant-cut diamond weighs 0.57cts and has D colour, VVS2 clarity and no fluorescence.
Lot 1389
A colour-change sapphire and diamond scroll ring, the oval-shaped sapphire weighs 3.90cts, set within diamond scroll mount (one missing) in platinum and gold, size L Accompanied by report number 79234-29 from GCS, London stating that the sapphire is a natural colour-change sapphire with no indications of heat treatment. Origin: Madagascar
Lot 1479
A diamond solitaire ring by Tiffany & Co, the round brilliant-cut diamond weighs 0.81cts and is Tiffany-set® in platinum on a plain knife-edge band, signed and with maker's mark, London hallmarks for 2009, size L, case by Tiffany & Co Accompanied by report number 25157915/k02021007 from Tiffany & Co. stating that the round brilliant-cut diamond weighs 0.81cts, has F colour and VS1 clarity.
Lot 1559
A ruby and diamond three-stone ring, the cushion-shaped ruby weighs approximately 1.20cts and is set between old cushion-shaped diamonds in platinum coronet mount, size P Accompanied by report number 79233-33 from GCS, London stating that the cushion-shaped ruby weighs approximately 1.20cts and is a natural ruby with no indications of heat treatment. Origin: Burma (Myanmar)
Lot 1584
A sapphire and diamond ring, the oval-shaped sapphire weighs 9.19cts and is claw-set with single-cut diamonds to the shoulders in platinum, size J 1/2 (approx. with inner resizing balls) Accompanied by report number 79205-22 dated 13 March 2019 from GCS, London stating that the oval-cut sapphire weighs 9.19cts and is a natural sapphire with no indications of heat treatment. Origin: Myanmar (Burma)
Lot 1592
A diamond dress ring, set with a central round brilliant-cut diamond which weighs 5.71cts within tapered baguette-shaped diamond shoulders, in platinum, Birmingham hallmarks for 1999, size N 1/2 Accompanied by report number F2E91165 dated 22 October 1997 from IGI, Antwerp stating that the round brilliant-cut diamond weighs 5.71cts and is a natural diamond with K colour, SI2 clarity and no fluorescence.
Lot 195
A princess cut diamond cluster ring, the 4.5mm princess cut diamond set with corner claws and surrounded by a square of sixteen brilliant cut diamonds in an all white metal mount testing as platinum with eight brilliant cut diamonds channel set into each shoulder, width of cluster 9mm. ring size K1/2.
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46735 item(s)/page