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Lot 2190
A platinum tourmaline and diamond oval cluster ring, having a central green tourmaline within a border of six round brilliant and two baguette cut diamonds, all in claw and bezel settings, tourmaline dimensions approx 6.6 x 4.45 x 2.9mm, weight estimated as 0.62 carats, baguette cut diamond dimensions each approx 3.5 x 1.85 x 1.95mm, total weight estimated as 0.22 carats, round brilliant cut diamond diameters each approx 2.85mm, total weight estimated as 0.48 carats, assessed mounted collectively colour H to I and clarity VS1 to VS2, size R, gross weight 7.3g, stamped and tested as platinum 900Sizing join visible at back.
Lot 2213
An 18ct yellow gold and platinum diamond single stone ring, comprising a round brilliant cut diamond in an eight claw setting, diamond dimensions approx 6.5 x 4mm, weight estimated as 1.03 carats, assessed mounted colour H to I and clarity VS1 to VS2, medium fluorescence, gross weight 3.1g, size J½, hallmarked 18ct, Birmingham 1995, stamped Plat, sponsor DomVery good condition.
Lot 2215
A yellow and white metal, sapphire and diamond oval cluster ring, featuring a centre oval faceted sapphire within a border of ten single cut diamonds in claw settings, sapphire dimensions approx 7.89 x 5.9 x 2.55mm, weight estimated as 0.20 carats, assessed mounted collectively colour I to J and clarity SI1 to SI2, size L, gross weight 4.7g, stamped and tested as 18ct and platinum
Lot 2219
A white metal, sapphire and diamond three stone ring, featuring a centre oval faceted sapphire flanked to either side by a round brilliant cut diamond, all in claw settings, sapphire dimensions approx 10.9 x 9.7 x 6mm, weight estimated as 5.55 carats, diamond dimensions approx 6.15 x 3.4 and 6.05 x 3.4mm, total weight estimated as 1.54 carats, assessed mounted collectively colour H to I and clarity VS1 to VS2, size J, gross weight 8.1g, stamped and tested as platinumMinor abrasions to facets of sapphire.
Lot 2220
A white metal Art Deco style diamond three stone ring, comprising three graduated Old European cut diamonds in vertical claw settings, with an Old European cut diamond grain set in each shoulder, principle diamond dimensions approx 6.85 x 6.89 x 3.4mm, weight estimated as 1.04 carats, remaining diamond dimensions between approx 1.8 x 1.4 and 3.7 x 2.35mm, total weight estimated 0.46 carats, assessed mounted collectively colour J to K and clarity VS2 to SI1, size O, gross weight 4.9g, stamped and tested as 18ct and platinum
Lot 2070
the emerald-cut emerald within a border of old cut diamonds spaced by a wirework frame, in white claw and millegrain settings, to similarly set diamond shoulders, on a plain polished shank, total estimated diamond weight 0.90 carat approximatelyfinger size H1/2The ring is in good condition, however there is evidence of re-sizing and a chip to the emerald. It bears no hallmark nor stamp but in our opinion would test as gold or platinum. The approximate qualities of the diamonds are; colour I/J/K, clarity SI1/SI2/I1. Gross weight 4.3 grams. CR made 28.06.22.
Lot 2072
the square step cut aquamarine in a yellow claw setting, flanked by trios of round brilliant cut diamonds in white claw settings, to a yellow tapered shoulder plain polished shank, total estimated diamond weight 0.75 carat approximatelyfinger size K1/2The ring is in fair condition, some claws are worn and may require attention and the surface of the aquamarine is abraded. It is stamped '18CT' and 'PLAT' and in our opinion would test as gold and platinum. The aquamarine measures 5.11mm x 5.00mm x 3.54mm approximately. The approximate qualities of the diamonds are; colour I/J/K, clarity VS2/SI1/SI2. Gross weight 3.9 grams. CR made 21.07.22.
Lot 2088
the round cut blue zircon within a border of round brilliant cut diamonds, to baguette cut diamond set shoulders, in white claw and rubbed over settings, to a yellow plain polished shank, total estimated diamond weight 0.60 carat approximatelyfinger size Q1/2The ring is in good conditon however there are abrasions to the surface of the blue zircon. It is stamped '18CT&PT' and in our opinion would test as gold and platinum. The approximate qualities of the diamonds are; colour I/J/K, clarity SI2/I1/I2. Gross weight 3.3 grams. CR made 22.06.22.
Lot 2089
the round cut blue zircon within a radial border of tapered bars terminating to eight-cut diamonds, in white claw settings, to a yellow tapered shoulder plain polished shank, total estimated diamond weight 0.40 carat approximatelyfinger size R1/2The ring is in fair conditon with abrasion to the facet edges of the zircon. It is stamped 'PLAT18CT' and in our opinion would test as platinum and gold. The approximate qualities of the diamonds are; colour J/K/L, clarity SI1/SI2/I1. Gross weight 6.0 grams. CR made 23.06.22.
Lot 2108
the square step cut sapphire centrally within a kite-shaped plaque set throughout with round brilliant cut diamonds, in white millegrain settings, to a tapered shoulder plain polished shank, total estimated diamond weight 0.65 carat approximatelyfinger size MThe ring is in fair condition with surface abrasion throughout. It is stamped but the marks are rubbed, in our opinion would test as gold or platinum. The approximate qualities of the diamonds are; colour I/J/K, clarity SI2/I1/I2. Gross weight 4.7 grams. CR made 27.07.22.
Lot 2155
the round cut synthetic ruby in a yellow millegrain setting, to a spaced old cut diamond border, in white claw and millegrain settings, to scroll shoulders, on a plain polished shank, total estimated diamond weight 0.15 carat approximatelyfinger size MThe ring is in fair condition, there are chips and abrasion to the surface of the synthetic ruby. It is stamped 'PLAT' and in our opinion would test as platinum. The approximate qualities of the diamonds are; colour I/J/K, clarity SI1/SI2/I1. Gross weight 3.1 grams. CR made 21.07.22.
Lot 2158
double rows of round brilliant cut diamonds terminate to a pear shaped ruby and a pear shaped diamond, in white claw settings, to a plain polished shank, total estimated diamond weight 0.80 carat approximatelyfinger size K1/2The ring is in good condition. It is stamped 'Pt900' and in our opinion would test as platinum. It is also stamped '0.488', '0.36' and '0.41'. The pear shaped diamond measures 4.25mm x 5.83mm x 2.68mm approximately. The ruby has not been laboratory tested. The approximate qualities of the diamonds are; colour I/J/K, clarity SI1/SI2/I1. Gross weight 6.8 grams. CR made 27.07.22.
Lot 2159
the oval cut pink tourmaline flanked by clusters of five marquise cut diamonds, in white claw settings, to a tapered shoulder plain polished shank, total estimated diamond weight 0.95 carat approximatelyfinger size L1/2The ring is in good condition. It is stamped 'Pt900' and in our opinion would test as platinum. The tourmaline measures 11.67mm x 7.68mm x 5.47mm approximately. The approximate qualities of the diamonds are; colour I/J/K, clarity SI1/SI2/I1. Gross weight 7.3 grams. CR made 28.06.22.
Lot 2170
the graduated old cut diamonds in white claw settings, to a tapered shoulder plain polished shank, total estimated diamond weight 1.05 carat approximatelyfinger size P1/2The ring is in fair condition with some claws requiring attention. It is stamped '18CT&PT' and in our opinion would test as gold and platinum. The central diamond measures 5.15mm x 5.10mm x 3.09mm approximately. The approximate qualities of the diamonds are; colour J/K/L, clarity SI1/SI2/I1. Gross weight 3.0 grams. CR made 15.06.22.
Lot 2177
the square cornered mixed cut diamond in a white four claw setting, to a plain polished shank finger size K1/2The ring is accompanied by a copy of a report from Tiffany & Co., numbered 31804515/N12270412, stating the diamond weighs 0.94 carat, colour H, clarity VS1The ring is in good condition. It is stamped '© TIFFANY & CO. LUCIDA ® PT950' and 'Pat 5970744 et al 31804515 D0.94CT'. In our opinion it would test as platinum. Gross weight 5.3 grams. CR made 21.07.22.
Lot 2183
the pearl flanked by trios of old cut diamonds, in white millegrain settings, to a plain polished shank, total estimated diamond weight 0.05 carat approximatelyfinger size L1/2The ring is in good condition. It is numbered 'X1014'. It bears no hallmark but in our opinion would test as gold or platinum. The pearl measures 8.26mm 8.37mm approximately. The approximate qualities of the diamonds are; colour I/J/K, clarity SI1/SI2/I1. Gross weight 2.2 grams. CR made 01.07.22.
Lot 190
A D colourless 0.51ct diamond princess cut solitaire platinum ring, with GIA report. Size J1/2. This stone is graded as being the top grade for colourless diamonds. It has a VS2 clarity grade - very slightly included. A very high quality diamond in a platinum setting. Gross weight approximately 4.3 grams. (1)
Lot 34A
Four gold rings: Two 1920s to 1930s three stone diamond rings in 18ct gold and platinum, both size J. A gypsy set three stone diamond ring in 18ct gold (AF) size K1/2; plus a 9ct gold ruby and diamond half hoop ring (missing one ruby) size K - approximate weight 2.1 grams. Total gross weight of 18ct gold diamonds approximately 4.2 grams (4)
Lot 114
A platinum diamond Etoile ring by Tiffany & Co., A platinum diamond Etoile ring by Tiffany & Co., the polished band set with eleven brilliant cut diamonds, estimated total diamond weight 0.22ct, signed T&Co., stamped PT950, ring size L1/2, gross weight 7.6g. With maker's pouch.Overall condition good to fairScratches in keeping with general wearMarks clearDiamonds bright and lively
Lot 123
A platinum diamond single stone ring, A platinum diamond single stone ring, the brilliant cut diamond weighing approx. 0.50ct within an eight claw setting, estimated colour J-K, estimated clarity SI, hallmarks for Birmingham, ring size M1/2, gross weight 4.3g.Overall condition good to fairLight scratches in keeping with general wear
Lot 17
TWO DRESS RINGS a white sapphire set eternity ring on a white metal (probably platinum) band, unmarked, ring size P, weight 3.4grams, a gem set cocktail ring on yellow metal, the transparent (greenish) step cut gem measuring 1.3 x 1cm on a yellow metal shank stamped gold, ring size R, weight 3grams
Lot 173
JOHN DONALD: TWO GEM-SET RINGS 2001-20031st: The step-cut aquamarine set between brilliant-cut diamond shoulders, mounted in 18 carat white gold, 2nd: The oval-cut sapphire between brilliant-cut diamond shoulders, mounted in platinum, each signed JAD with UK hallmarks, ring sizes approx. 1st L½, 2nd O½ (2)Footnotes:From a Private Collection of Jewellery by John DonaldFor further information on this lot please visit Bonhams.com
Lot 174
JOHN DONALD: SAPPHIRE AND DIAMOND RING, 2001The oval-cut sapphire between brilliant-cut diamonds, mounted in platinum, diamond approx. 0.40ct total, maker's mark JAD, London hallmark, ring size approx. NFootnotes:From a Private Collection of Jewellery by John DonaldFor further information on this lot please visit Bonhams.com
Lot 175
FOUR RINGS BY JOHN DONALD AND A DIAMOND ETERNITY RING 1996-20041st: Set with a princess-cut diamond, weighing 0.40cts, mounted in platinum, 2nd: Set throughout with brilliant-cut diamonds, in 18 carat white gold, 3rd: The 18 carat white gold band ring of openwork design, 4th: The polished band in 18 carat white gold, 5th: The tri-coloured band mounted in 9 carat gold, 1st, 3rd, 4th & 5th with makers mark JAD and London hallmarks, 2nd with makers mark CJ and London hallmark, ring sizes approx. L-R (5)Footnotes:From a Private Collection of Jewellery by John DonaldFor further information on this lot please visit Bonhams.com
Lot 181
JOHN DONALD: DIAMOND SINGLE-STONE RING, 2003Set with a brilliant-cut diamond, mounted in platinum, diamond approx. 1.00ct, maker's mark JAD, London hallmark, ring size approx. MFootnotes:From a Private Collection of Jewellery by John DonaldFor further information on this lot please visit Bonhams.com
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46735 item(s)/page