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Lot 311

CARTIER : 'MAILLON PANTHÈRE' DIAMOND RINGBrilliant-cut diamonds, signed Cartier, numbered, maker's mark, French Assay mark, ring size approx. L, maker's caseFor further information on this lot please visit Bonhams.com

Lot 144

RUBY AND DIAMOND RINGCircular-cut ruby and brilliant-cut diamonds, mounted in 18 carat white gold, London hallmark, ring size approx. L½For further information on this lot please visit Bonhams.com

Lot 176

SANRIO: TWO DIAMOND AND GEM-SET 'HELLO KITTY' RINGSSet with circular-cut rubies, yellow sapphires, brilliant-cut diamonds and circular onyx cabochons, diamonds approx. 0.60ct total, ring sizes approx. K½ (2)Footnotes:Please note this lot has VAT at the prevailing rate on the hammer price and buyer's Premium.This lot is subject to the following lot symbols: ΩΩ VAT on imported items at the prevailing rate on Hammer Price and Buyer's Premium.For further information on this lot please visit Bonhams.com

Lot 15

BOUCHERON: DIAMOND ETERNITY RINGBrilliant-cut diamonds, diamonds approx. 1.60cts total, signed Boucheron (worn), maker's mark Sté B, numbered, ring size approx. SFor further information on this lot please visit Bonhams.com

Lot 252

EMERALD AND DIAMOND DRESS RINGMarquise and brilliant-cut diamonds and three step-cut emeralds, diamonds approx. 2.40cts total, ring size approx. Q For further information on this lot please visit Bonhams.com

Lot 106

EMERALD AND DIAMOND CLUSTER RINGCircular-cut emeralds and brilliant-cut diamonds, diamonds approx. 0.95ct total, ring size approx. KFor further information on this lot please visit Bonhams.com

Lot 75

RUBY AND DIAMOND PLAQUE RING AND AMETHYST AND HALF-PEARL BROOCH1st: 1893, cushion-shaped ruby and old brilliant-cut diamonds, mounted in 18 carat gold, 2nd: The amethyst cabochon, reverse-set, with half-pearl surround, 1st with UK hallmark, lengths: 1st ring size approx. J1⁄2, 2nd 2.5cm (2)For further information on this lot please visit Bonhams.com

Lot 276

AQUAMARINE AND DIAMOND RINGCushion-shaped aquamarine, weighing 5.30 carats, and brilliant and princess-cut diamonds, diamonds approx. 0.90ct total, ring size approx. P1⁄2Footnotes:WGI: The cushion-shaped aquamarine weighing 5.30 carats, report number 9624136837, 4th May 2022.For further information on this lot please visit Bonhams.com

Lot 214

DIAMOND RING AND PENDANT SUITEBaguette, tapered baguette and pear-shaped diamonds, diamonds approx. 1.20cts total, lengths: ring size approx. H½, pendant 2.0cm (2)For further information on this lot please visit Bonhams.com

Lot 153

CULTURED PEARL AND DIAMOND EARRINGS AND RING1st: 12.5mm cultured pearls and brilliant-cut diamonds, 2nd: Off-round 11.3mm cultured pearl and brilliant and tapered baguette-cut diamonds, diamonds approx. 1.70cts total, lengths: 1st 2.4cm, 2nd ring size very approx. I (sizing band) (2)For further information on this lot please visit Bonhams.com

Lot 165

YELLOW SAPPHIRE AND SAPPHIRE RINGStep-cut yellow sapphire and calibré-cut sapphires, yellow sapphire approx. 2.85cts, ring size approx. L½ For further information on this lot please visit Bonhams.com

Lot 255

STAR RUBY AND DIAMOND CLUSTER RINGOval cabochon ruby with single-cut diamonds and circular-cut rubies, ring size approx. MFor further information on this lot please visit Bonhams.com

Lot 44

YELLOW SAPPHIRE AND DIAMOND RINGOval-cut yellow sapphire and brilliant-cut diamonds, sapphire approx. 15.00cts, diamonds approx. 0.80ct total, ring size approx. H½ (hoop off-round) Footnotes:GCS: Sri Lankan origin, no indications of heat treatment, report number 5783-4073, 19 September 2023.For further information on this lot please visit Bonhams.com

Lot 13

AQUAMARINE AND DIAMOND RING AND EARSTUDS1st: 1974, ring set with an oval-cut aquamarine and brilliant-cut diamonds, mounted in 18 carat white gold, 2nd: Earrings set with a circular-cut aquamarine, 1st aquamarine approx. 12.75cts, London hallmark, ring size approx. M, earstuds 0.7cm (2)For further information on this lot please visit Bonhams.com

Lot 137

EMERALD AND DIAMOND RINGCentral step-cut emerald and brilliant and shield shaped diamond and emerald shoulders, emerald approx. 1.25cts, diamonds approx. 2.10cts total, maker's mark, French assay mark, ring size approx. J½ For further information on this lot please visit Bonhams.com

Lot 80

SAPPHIRE AND DIAMOND TWIN HEART RING, CIRCA 1890The rose-cut sapphire and diamond of yellow tint, within a circular-cut sapphire, rose and old brilliant-cut diamond surround, closed back settings, ring size approx. I½ For further information on this lot please visit Bonhams.com

Lot 225

TIFFANY: FANCY COLOURED DIAMOND AND DIAMOND RINGMarquise-cut Fancy Yellow diamond, weighing 1.65 carats, between baguette-cut diamond shoulders, Signed Tiffany & Co., ring size approx. I, maker's case and boxFootnotes:GCS: Fancy Yellow colour, SI1 clarity, report number 5776-5690, 20 May 2016.For further information on this lot please visit Bonhams.com

Lot 318

DIAMOND SINGLE-STONE RINGBrilliant-cut diamond, weighing 2.02 carats, ring size approx. P1⁄2For further information on this lot please visit Bonhams.com

Lot 79

DIAMOND RING, CIRCA 1770Set with cushion-shaped diamonds, within pinched collet settings, inner hoop engraved GABRIEL GULLAN. OB:11.APR.1764. Æ:73, diamonds approx. 1.20cts total, ring size approx. KFor further information on this lot please visit Bonhams.com

Lot 36

DIAMOND FIVE-STONE RINGOld brilliant-cut diamonds, diamonds approx. 1.00ct total, ring size approx. PFootnotes:To be sold to benefit St Gemma's Hospice Charity.For further information on this lot please visit Bonhams.com

Lot 245

EMERALD AND DIAMOND CLUSTER RINGStep-cut emerald, weighing 1.82 carats, and single-cut diamonds, ring size approx. K½ Footnotes:GCS: Colombian origin, evidence of moderate clarity enhancement, report number 5782-971, 7 March 2022.For further information on this lot please visit Bonhams.com

Lot 113

COLLECTION OF DIAMOND-SET JEWELLERY1st: The necklace set with brilliant-cut diamonds, 2nd: The ring set with brilliant-cut diamonds, 3rd: The serpent with marquise-cut rubies and brilliant-cut diamonds, diamonds approx. 1.10cts total, 1st: French assay marks, 2nd: French assay mark, lengths: 1st very approx. 35.0cm, 2nd ring size approx. L½, 3rd ring size approx. K (3)For further information on this lot please visit Bonhams.com

Lot 328

DIAMOND FIVE-STONE RINGCushion-shaped diamonds, mounted in 18 carat gold, diamonds approx. 4.20cts total, partial UK hallmark, European convention mark (worn), ring size very approx. O (sizing beads), accompanied by original ring mount and Garrard & Co. caseFor further information on this lot please visit Bonhams.com

Lot 48

POMELLATO: GEM-SET 'ICONICA COLOUR' RINGSet with circular-cut vari-coloured gemstones, including sapphire, tourmaline, peridot, ruby, zircon, peridot garnet, spinel and tanzanite, signed Pomellato, numbered, ring size approx. M (leading edge)For further information on this lot please visit Bonhams.com

Lot 192

TIFFANY & CO: 'FIREWORKS' CULTURED PEARL AND DIAMOND RING8.0mm cultured pearl and brilliant-cut diamonds, signed Tiffany & Co., ring size approx. J½ For further information on this lot please visit Bonhams.com

Lot 175

DIAMOND ETERNITY RINGBrilliant-cut diamonds, diamonds approx. 2.80cts total, ring size approx. LFor further information on this lot please visit Bonhams.com

Lot 207

DIAMOND RING, 2006Brilliant and single-cut diamonds, mounted in 18 carat white gold, principal diamonds approx. 1.85cts total, UK hallmark, ring size approx. OFor further information on this lot please visit Bonhams.com

Lot 11

DIAMOND FIVE-STONE RINGOld brilliant-cut diamonds, diamond approx. 1.65cts total, ring size approx. M½For further information on this lot please visit Bonhams.com

Lot 101

DIAMOND RING AND EARRING SUITEOval and brilliant-cut diamonds, of textured finish, diamonds approx. 2.15cts total, lengths: ring size approx. J½, earrings 1.7cm (2)For further information on this lot please visit Bonhams.com

Lot 22

RUBY, SAPPHIRE AND DIAMOND RINGCircular-cut ruby and sapphire, cushion-shaped and old brilliant-cut diamonds, maker's mark (indistinct), French assay marks, ring size approx. N½ For further information on this lot please visit Bonhams.com

Lot 28

EMERALD AND DIAMOND RINGStep-cut emerald and baguette-cut diamonds, emerald very approx. 1.30cts, diamonds approx. 1.05cts total, ring size approx. KFor further information on this lot please visit Bonhams.com

Lot 140

TWO EMERALD AND DIAMOND RINGS1st: 2001, Step-cut emerald and brilliant-cut diamonds, mounted in 18 carat gold, 2nd: 1978, Oval and step-cut emeralds, brilliant-cut diamonds, mounted in 18 carat gold, London hallmarks, 1st ring size approx. O½, 2nd ring size approx. M½For further information on this lot please visit Bonhams.com

Lot 219

EMERALD RINGStep-cut emerald, weighing 2.90 carats, the mount of brushed finish, ring size approx. MFootnotes:The Gem & Pearl Laboratory: Zambian origin, evidence of minor clarity enhancement, report number 23213, 26 May 2023.For further information on this lot please visit Bonhams.com

Lot 291

DIAMOND SINGLE-STONE RINGBrilliant-cut diamond, diamond approx. 1.00ct, ring size approx. K½ For further information on this lot please visit Bonhams.com

Lot 109

RUBY AND DIAMOND RING, 2014Cushion-shaped ruby and brilliant-cut diamonds, mounted in platinum, London hallmark, ring size approx. K½For further information on this lot please visit Bonhams.com

Lot 336

SAPPHIRE AND DIAMOND RINGEmerald-cut sapphire, between square step-cut diamond shoulders, sapphire approximately 4.30 carats, diamonds approx. 1.20cts total, ring size approx. IFootnotes:The Gem & Pearl Laboratory: Sri Lankan origin, no evidence of heat treatment, report number 23912, 17 November 2023.For further information on this lot please visit Bonhams.com

Lot 107

JADE AND DIAMOND RINGTiered, jade cabochon and brilliant-cut diamonds, diamonds approx. 0.90ct total, jade untested, ring size approx. J1⁄2For further information on this lot please visit Bonhams.com

Lot 281

DIAMOND DRESS RINGMarquise and brilliant-cut diamonds, diamonds approx. 2.10cts total, ring size approx. OFor further information on this lot please visit Bonhams.com

Lot 320

EMERALD AND DIAMOND RINGStep-cut emerald and cushion-shaped diamonds, emerald approx. 2.10cts, diamonds approx. 1.00ct total, ring size approx. PFootnotes:GCS: Colombian origin, evidence of minor clarity enhancement, report number 5784-0116, 20 October 2023.For further information on this lot please visit Bonhams.com

Lot 332

DIAMOND SINGLE-STONE RINGThe cushion-shaped diamond weighing 3.22 carats, with brilliant-cut diamonds, mounted in platinum, UK hallmark, ring size approx. L1⁄2For further information on this lot please visit Bonhams.com

Lot 32

LALAOUNIS: ROCK CRYSTAL RING, CIRCA 1988Designed as a seashell, mounted in 18 carat gold, Lalaounis maker's mark A21, London import mark, ring size approx. MFor further information on this lot please visit Bonhams.com

Lot 329

ONYX AND DIAMOND PLAQUE RINGThe emerald-cut diamond within an onyx surround, between baguette-cut diamond shoulders, principal diamond very approx. 2.15cts, ring size approx. MFor further information on this lot please visit Bonhams.com

Lot 313

EMERALD AND DIAMOND RINGCushion-shaped emeralds, old brilliant and single-cut diamonds, diamonds approx. 4.00cts total, ring size approx. Q½ For further information on this lot please visit Bonhams.com

Lot 268

DIAMOND SINGLE-STONE RINGBrilliant-cut diamonds, the principal diamond weighing 1.06 carats, ring size approx. MFor further information on this lot please visit Bonhams.com

Lot 110

JADE AND DIAMOND CLUSTER RINGJade hololith and jade circular cabochon, with brilliant-cut diamonds, diamonds approx. 0.40ct total, jade untested, ring size approx. J1⁄2For further information on this lot please visit Bonhams.com

Lot 77

DIAMOND THREE-STONE RINGOld brillant-cut diamonds, diamonds approx. 0.80ct total, ring size approx. QFor further information on this lot please visit Bonhams.com

Lot 149

DIOR: TWO 'BOIS DE ROSE' RINGS1st: Brilliant-cut diamonds, 2nd: Mounted in platinum, 1st: diamonds approx. 0.55ct total, signed Dior, maker's mark, numbered, French assay mark, 2nd: signed Dior, maker's mark, London hallmark, French assay mark, European convention mark, ring sizes approx. L½ (2)For further information on this lot please visit Bonhams.com

Lot 344

DIAMOND SINGLE-STONE RINGOld brilliant-cut diamond, weighing 3.26 carats, ring size approx. P½For further information on this lot please visit Bonhams.com

Lot 342

DIAMOND CLUSTER RINGThe central old brilliant-cut diamond, weighing 3.92 carats, with single-cut diamond accents, ring size approx. MFootnotes:Provenance:Principal diamond from the estate of Lady Dorothea Margaret Wallis née Fowke (1883-1930).Dorothea was born in Sri Lanka. She married the British lawyer Sir John Edward Power Wallis (1861-1946), Advocate General of Madras (1900-1906) and Chief Justice of Madras High Court (1914-1921). The renowned Scottish engineer, Dr Robert Stevenson (1772-1851), was Dorothea's maternal great-grandfather, famed for the design and construction of lighthouses, and the Scottish novelist, Robert Louis Stevenson (1850-1894), was a cousin.For further information on this lot please visit Bonhams.com

Lot 26

CARTIER: CULTURED PEARL AND DIAMOND RING7.5mm cultured pearl and brilliant-cut diamonds, signed Cartier, numbered, maker's mark, French assay mark, ring size approx. L½For further information on this lot please visit Bonhams.com

Lot 222

DIAMOND-SET RINGBrilliant-cut diamonds, mounted in 18 carat gold, diamonds approx. 1.25cts total, UK hallmark, ring size approx. LFor further information on this lot please visit Bonhams.com

Lot 3

DIAMOND RINGBrilliant-cut diamonds, mounted in 18 carat gold, diamonds approx. 1.70cts total, signed Iliana, London hallmark, European convention mark, ring size approx. NFor further information on this lot please visit Bonhams.com

Lot 278

DIAMOND ETERNITY RINGBrilliant-cut diamonds, diamonds approx. 1.85cts total, ring size approx. TFor further information on this lot please visit Bonhams.com

Lot 185

SAPPHIRE FOUR-STONE RINGCircular-cut sapphires, sapphires very approx. 1.90cts total, ring size approx. P - hoop off roundFor further information on this lot please visit Bonhams.com

Lot 238

EMERALD AND DIAMOND CLUSTER RINGThe oval-cut emerald within a cushion-shaped diamond surround, between similarly-cut diamond shoulders, emerald approx. 1.00ct, diamonds approx. 1.00ct total, French assay mark, ring size approx. K½ For further information on this lot please visit Bonhams.com

Lot 306

DIAMOND DRESS RINGInterlocking oval hoops and brilliant-cut diamonds, diamonds approx. 0.70ct total, ring size approx. M (leading edge)For further information on this lot please visit Bonhams.com

Lot 38

RUBY AND DIAMOND PLAQUE RINGBrilliant-cut diamonds, french and fancy-cut rubies, mounted in 18 carat gold, London hallmark (worn), ring size approx. QFor further information on this lot please visit Bonhams.com

Lot 240

SAPPHIRE AND DIAMOND THREE-STONE RINGOval-cut sapphire and brilliant-cut diamonds, mounted in platinum, UK hallmark, ring size approx. MFor further information on this lot please visit Bonhams.com

Lot 148

FOPE: DIAMOND-SET RINGBrilliant-cut diamonds, signed FOPE, ring size approx. M1⁄2, maker's case and boxFor further information on this lot please visit Bonhams.com

Lot 293

EMERALD AND DIAMOND RINGStep-cut emerald within a cushion-shaped diamond surround, emerald approx. 1.55cts, ring size approx. L½, cased by Tessiers Ltd, 26 New Bond StreetFootnotes:The Gem & Pearl Laboratory: Colombian origin, evidence of minor clarity enhancement. Report number 23949, 28 November 2023.For further information on this lot please visit Bonhams.com

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