A bloodstone serpent style signet ring, oval bloodstone cabochon, surrounded by two coiled serpents with rose cut diamond eyes, approximate head...
Gemstone Auctions
8894 item(s)
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Lot 56
THEO FENNELL, A PINK TOURMALINE AND DIAMOND PENDANT NECKLACE the pendant set with a round cut pink
56THEO FENNELL, A PINK TOURMALINE AND DIAMOND PENDANT NECKLACE the pendant set with a round cut pink
THEO FENNELL, A PINK TOURMALINE AND DIAMOND PENDANT NECKLACE the pendant set with a round cut pink tourmaline of approximately 1.41 carats, within...
Antique 14ct Yellow Gold Cabochon Amethyst Cuff Links Stunning cufflinks with the most amazingly purple cabochon amethysts. Weight: 9.6g ...
A FINE ART DECO EMERALD AND DIAMOND DRESS RING set with a sugarloaf cabochon emerald of approximately 5.00 carats, the shoulders set with baguette...
Outstanding Art Deco Sapphire and Diamond Platinum Cluster Panel Ring This ring is gorgeous and holds an inky blue sapphire at the centre of ...
Lot 48
A French Belle Époque old-cut diamond lavalier necklace, with an estimated total diamond weight of
48A French Belle Époque old-cut diamond lavalier necklace, with an estimated total diamond weight of
A French Belle Époque old-cut diamond lavalier necklace, with an estimated total diamond weight of 2.50ct, consisting of a pear-shaped old-cut dia...
Lot 55
An Old Cut Diamond and Emerald Target Ring in 18 carat white gold, comprising a central old cut
An Old Cut Diamond and Emerald Target Ring in 18 carat white gold, comprising a central old cut diamond of approximately 3.50 carats, within a tar...
Lot 1100
A 17th century Stuart Crystal heart pendant, circa 1680, possibly Charles I Royalist, the central
A 17th century Stuart Crystal heart pendant, circa 1680, possibly Charles I Royalist, the central painted coronet motif on woven backing beneath f...
AN IMPORTANT UNHEATED 5.30 CARAT SAPPHIRE AND DIAMOND RING set with a rectangular step cut sapphire of 5.30 carats, the stepped shoulders set with...
Large Art Deco Diamond 18 Carat Gold Crescent Brooch This gorgeous crescent is modelled in 9 carat gold. The larger diamonds are old mine cut a...
Art Deco Emerald and 2 carat Diamond 18 Carat Gold Three-Stone Ring The central emerald is so bright and beautiful and measures approx 2 cara...
An 18ct gold single stone diamond ring, rubover set old European cut diamond, approximate diameter 8.3mm, depth 5.45mm, estimated approximate we...
Antique Gold Cabochon Garnet and Diamond Snake Head Necklace Coolest snake necklace that makes a full loop, respelling an ouroboros. The caboch...
A split pearl and turquoise double heart brooch, two hearts surmounted by a bow, dimensions 3.1 x 2.8cm, unmarked, tested as 15ct gold with a 9c...
Lot 4
A PAIR OF PINK SAPPHIRE AND DIAMOND HEART EARRINGS each set with a heart cut pink sapphire in a
A PAIR OF PINK SAPPHIRE AND DIAMOND HEART EARRINGS each set with a heart cut pink sapphire in a border of round brilliant cut diamonds, the sapphi...
Lot 3
Ladies - Excellent 18ct White Gold Single Stone Diamond Set Ring. Full Hallmark to Interior of
Ladies - Excellent 18ct White Gold Single Stone Diamond Set Ring. Full Hallmark to Interior of Shank. The Radiant Cut Diamond of Excellent Colour ...
Lot 62
AN ONYX AND DIAMOND BELT BRACELET in 18ct white gold, designed as a belt, set with a row of facetted
AN ONYX AND DIAMOND BELT BRACELET in 18ct white gold, designed as a belt, set with a row of facetted onyx, accented by round brilliant cut diamond...
Lot 298
A diamond solitaire ring, composed of a round brilliant diamond, measuring approximately 8.1mm, with
A diamond solitaire ring, composed of a round brilliant diamond, measuring approximately 8.1mm, with an estimated carat weight of 1.95ct, and an e...
A CARTIER spinel and diamond brooch/pendant Platinum, set with an octagonal-cut spinel from Tajikistan weighing 8.624 ct. and 64 brilliant-cut dia...
Lot 26
An Emerald and Diamond Five Stone Ring in 18 carat yellow gold, set with three square cut emeralds
26An Emerald and Diamond Five Stone Ring in 18 carat yellow gold, set with three square cut emeralds
An Emerald and Diamond Five Stone Ring in 18 carat yellow gold, set with three square cut emeralds and two emerald cut diamonds. Maker's Mark TT, ...
A Natural Saltwater Pearl Necklace comprising three rows of graduated pearls ranging from approximately 2.3-6.0mm, the clasp set with an oval cut ...
Lot 1
AN ANTIQUE 1.50 CARAT BURMA NO HEAT RUBY AND DIAMOND RING in yellow gold, set with a cushion cut
AN ANTIQUE 1.50 CARAT BURMA NO HEAT RUBY AND DIAMOND RING in yellow gold, set with a cushion cut ruby of approximately 1.50 carats, the claw setti...
A late 20th century platinum single stone diamond ring, claw set round brilliant cut diamond, approximate diameter 6.3mm, depth 3.6mm, estimated...
Lot 34
BULGARI. A Pair of 'Sapphire Flower' Earrings and Ring in 18 carat yellow gold, comprising a ring of
BULGARI. A Pair of 'Sapphire Flower' Earrings and Ring in 18 carat yellow gold, comprising a ring of floral design, set with various coloured pear...
Outstanding ornate 1.50ct Diamond and Platinum Solitaire Ring with diamond shoulders The central diamond in this ring measures approx 1.5ct. ...
Outstanding 1.84ct 18 Carat White Gold and Diamond Encrusted Pendant Necklace The bright white diamonds are natural, clean stones. They total...
An emerald and diamond parure; comprising a necklace, a bracelet, a pair of earrings and a cocktail ring; of textured and braided design, embellis...
Lot 49
An Art Deco sapphire and diamond-set brooch, of architectural design; the rounded rectangular
An Art Deco sapphire and diamond-set brooch, of architectural design; the rounded rectangular openwork frame centrally-set with three old-cut diam...
Lot 76
LAPPONIA, A MODERNIST DIAMOND BRACELET in 18ct yellow gold, comprising a row of stylised links set
76LAPPONIA, A MODERNIST DIAMOND BRACELET in 18ct yellow gold, comprising a row of stylised links set
LAPPONIA, A MODERNIST DIAMOND BRACELET in 18ct yellow gold, comprising a row of stylised links set with single cut diamonds, signed Lapponia and n...
Lot 12
AN ANTIQUE TURQUOISE AND ENAMEL BOW BROOCH in yellow gold, designed as a bow relieved in black and
12AN ANTIQUE TURQUOISE AND ENAMEL BOW BROOCH in yellow gold, designed as a bow relieved in black and
AN ANTIQUE TURQUOISE AND ENAMEL BOW BROOCH in yellow gold, designed as a bow relieved in black and white enamel floral designs, accented by a clus...
Lot 152
AN IMPORTANT 5.76 CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with an octagonal step cut
AN IMPORTANT 5.76 CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with an octagonal step cut sapphire of 5.76 carats, the shoulders set with ca...
A single stone diamond ring with diamond set shoulders, claw set round brilliant cut diamond, approximately 7.45 x 7.2 x 4.5mm, estimated approx...
Outstanding Vintage 18 Carat White Gold Multiple Row 1.40ct Diamond Half Eternity Band This spectacular vintage half eternity band is set wit...
Lot 1106
A Belle Epoque diamond negligee pendant necklace, circa 1910, the rose-cut diamond set flowerheads
A Belle Epoque diamond negligee pendant necklace, circa 1910, the rose-cut diamond set flowerheads suspending 2 asymmetrical graduated openwork dr...
Lot 120
MAUBOUSSIN, AN ART DECO SAPPHIRE AND ONYX VANITY VASE the hinged case opening to reveal a mirror,
120MAUBOUSSIN, AN ART DECO SAPPHIRE AND ONYX VANITY VASE the hinged case opening to reveal a mirror,
MAUBOUSSIN, AN ART DECO SAPPHIRE AND ONYX VANITY VASE the hinged case opening to reveal a mirror, with a pouch a lipstick compact, the exterior wi...
Lot 372
POMELLATO: A PAIR OF GARNET CUFFLINKS Each undulated circular mount set with faceted garnets,
POMELLATO: A PAIR OF GARNET CUFFLINKS Each undulated circular mount set with faceted garnets, mounted in 18K gold, signed Pomellato, Italian r...
Lot 18
BULGARI, AN IMPORTANT DIAMOND DIVISSIMA BRACELET in 18ct white gold, comprising articulated rows
BULGARI, AN IMPORTANT DIAMOND DIVISSIMA BRACELET in 18ct white gold, comprising articulated rows of fan shaped links, pave set throughout with rou...
Lot 299
An unheated Burmese sapphire and diamond dress ring, centred with a cushion-cut sapphire of vivid
299An unheated Burmese sapphire and diamond dress ring, centred with a cushion-cut sapphire of vivid
An unheated Burmese sapphire and diamond dress ring, centred with a cushion-cut sapphire of vivid blue colour, approximately 9.6 x 8.0 x 5.6 mm, c...
Lot 1101
An Antique Victorian diamond crescent tiara centrepiece brooch, circa 1900, the openwork crescent
An Antique Victorian diamond crescent tiara centrepiece brooch, circa 1900, the openwork crescent moon set throughout with graduated rose-cut diam...
Lot 40
AN ART DECO ONYX AND DIAMOND DRESS RING in 14ct white gold, comprising polished onyx set with
AN ART DECO ONYX AND DIAMOND DRESS RING in 14ct white gold, comprising polished onyx set with three old European cut diamonds, within a border of ...
Lot 14
AN ANTIQUE VICTORIAN TURQUOISE AND GARNET OUROBOROS BRACELET, CIRCA 1844 in yellow gold, designed as
AN ANTIQUE VICTORIAN TURQUOISE AND GARNET OUROBOROS BRACELET, CIRCA 1844 in yellow gold, designed as a snake biting its own tail, the head pave se...
Lot 1104
An 18ct gold Imperial topaz diamond cluster ring, maker J & P, London 1975, the oval cluster claw
An 18ct gold Imperial topaz diamond cluster ring, maker J & P, London 1975, the oval cluster claw set with 11.80ct oval-cut topaz, surrounded by m...
Lot 219
CHAUMET, A DIAMOND DRESS RING in 18ct white gold, set with rows of round brilliant cut diamonds,
CHAUMET, A DIAMOND DRESS RING in 18ct white gold, set with rows of round brilliant cut diamonds, signed Chaumet Paris and numbered, French maker's...
Fringe necklace AMÉLIA - TAYLOR & HART Gold, fineness .750 Set with 375 brilliant-cut diamonds, total estimated weight 11.25 ct 21st century Post...
A turquoise brooch, together with a pair of ear studs, brooch dimensions 4.7 x 3.2cm, import mark for 18ct gold, weight 9.9g, together with a pa...
A Sapphire and Diamond Ring in 18 carat yellow gold, set with buffed-top sapphires totalling approximately 2.92 carats and round cut diamonds tota...
Lot 84
TIFFANY & Co. A Pair of Elsa Peretti Pearl and Diamond Drop Earrings in 18 carat white gold, each
TIFFANY & Co. A Pair of Elsa Peretti Pearl and Diamond Drop Earrings in 18 carat white gold, each comprising an articulated Tahitian drop shaped p...
Cushion Cut Fancy Yellow & ( Natural ) Diamond 18k White & Yellow Gold Pendant And Chain Diamond Type: Natural Clarity Grade: SI Colo...
Lot 1
Round Brilliant Cut ( Natural Diamond ) 2.46 Carat Earrings F/G Colour SI Clarity Set in Platinum
Round Brilliant Cut ( Natural Diamond ) 2.46 Carat Earrings F/G Colour SI Clarity Set in Platinum Diamond Type: Natural Certification: E...
Round Brilliant Cut ( Natural Diamond ) 2.02 Carat G Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Cl...
Heart Cut 3.13 Carat ( Natural ) Diamond F Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity Gra...
Round Brilliant Cut 4.17 Carat ( Natural ) Diamond H Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Cl...
Pear Cut 5.47 Carat ( Natural ) Diamond F Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity Grade...
Cushion Cut 4.01 Carat ( Natural ) Diamond F Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity Gr...
Pear Cut 1.74 Carat ( Natural ) Diamond F Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity Gra...
Round Brilliant Cut 1.43 Carat ( Natural ) Diamond F Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural C...
Oval Cut 1.50 Carat ( Natural ) Diamond F Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity Grade...
Oval Cut 1.08 Carat ( Natural Diamond ) G Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity Grade...
Marquies Cut 1.57 Carat ( Natural ) Diamond E Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity ...
Radiant Cut 7.47 Carat ( Natural ) Diamond F Colour SI1 Clarity - EDR Certificate EDR Certifcate Diamond Type: Natural Clarity Gr...
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