Gemstone Auctions

Gold and three-stone diamond ring , the centre stone 1.5ct approx. flanked by two further diamonds, each 0.5ct approx., 2.5 total approx. (some ca...

Gold-coloured metal, emerald and diamond dress ring , marquise-shaped with three rounded rectangular central emeralds surrounded by multiple old c...

An Art Deco diamond ring, claw set to the centre with an old European-cut diamond, diamond approx. 2.15 carats, colour approx. K to L and clarity ...

A DIAMOND BUTTERFLY BROOCH / PENDANT in silver on gold, set throughout with old mine cut diamonds, all totalling c.2.00 carats, secured with a pin...

Large platinum ring set with approx. 2.25 carat diamond Princess cut, brilliant & baguette diamonds. Colour/s K-M. Clarity SI-II. Surrounding a Co...

An antique diamond three stone ring, claw set with three old European-cut diamonds, diamonds approx. 3.00 carat total, the setting interspaced by ...

AN ANTIQUE CAT AND FISH BOWL PENDANT in 9ct gold, the cat set with emerald cabochon eyes, suspended from a chain link bail, stamped '9CT', c.2.5cm...

AN ANTIQUE CARVED AMETHYST CAMEO AND PEARL BROOCH / PENDANT in 9ct gold, set with an amethyst cameo, carved to depict a portrait, held in a bezel ...

Arts and Crafts gold opal & garnet dress ring. Ring size N. 4.4gm. Condition Report: Surface scratches/wear. Garnets vary in hue and saturat...

A fine and impressive sapphire and diamond cluster ring, collet set to the centre with a mixed faceted cushion-cut sapphire, of cornflower blue co...

AN ANTIQUE CEYLON NO HEAT SAPPHIRE, PEARL AND DIAMOND SPIDER BROOCH in silver on gold, set with a cushion cut sapphire of c.1.92 carats, ruby cabo...

Arts and Crafts pearl & enamel necklace, attributed to Liberty & Co. Length of pendant drop 6.1cms. Length of necklace 39.5cms. 13.2gms. Condit...

Arts and Crafts gold opal dress ring. Approximate dimensions of opal xxx. Ring size M. 4.3gm. Condition Report: Surface scratches/wear Opal ...

A DIAMOND WREATH BROOCH in 9ct and 15ct gold, set throughout with old mine cut and rose cut diamonds, secured with a pin clasp, no assay marks, c....

A PAIR OF VICTORIAN DIAMOND 5.10CT PEAR SHAPED DROP EARRINGS. Each drop consisting of a circular halo cluster and a pear shaped halo cluster. The ...

A FINE FRENCH VICTORIAN CELESTIAL DIAMOND AND GARNET BRACELET. Circa 1870. One central oval garnet cabochon set with an applied diamond set star m...

A pair of arts and crafts silver gem earrings. Fittings for non-pierced ears. Gems to include moonstone and sapphire. Length 1.7cm. 6.9gm. ...

An 18ct white gold and diamond tennis bracelet, set with forty-two unifrom round brilliant cut diamonds, rnaging from 0.22ct to 0.28ct, with an a...

A pair of fine diamond cluster earrings, of flowerhead design, each claw set to the centre with a brilliant-cut diamond, diamonds approx. 1.36 car...

LATE 19TH CENTURY CADUCEUS DIAMOND BROOCH. The traditional symbol of the staff carried by Hermes in Greek mythology had an ancient association wit...

Platinum Art Deco Style Pink Sapphire & Diamond Ring Pink sapphire: natural; step-cut; 1.37ct; rubover set. Diamonds: natural; 15 x round bril...

KUTCHINSKY, AN 18 CARAT GOLD DIAMOND RING two bands pavé-set with round brilliant-cut diamonds, spaced by rope bands, hallmarked London 1977. Es...

A 9 CARAT GOLD COILED SNAKE BANGLE with ruby-set eyes and foliate engraved detail, hallmarked Birmingham 1973. 4.2cm inner diameter (flexible), ...

Title: Large 4.82 tctw Natural Colombian Emerald and Diamonds Platinum Ring Description: Emerald 4.62 ct , Colour -  Green , Light - T...

A LATE VICTORIAN 18 CARAT GOLD SAPPHIRE AND DIAMOND RING three cushion-cut sapphires spaced by pairs of old-cut diamonds, to a scroll gallery, h...

AN ART DECO SAPPHIRE AND DIAMOND BRACELET. An articulated link bracelet made up of geometric open work links. One principle rectangular step cut s...

A pair of South Sea pearl and diamond earrings, each set with a South Sea pearl, measuring approx. 11.80mm, with a surround of baguette-cut, brill...

EARLY 20TH CENTURY 4.23CT DIAMOND BAR BROOCH. Set with three old European cut diamonds, estimated weights approx. 1.05ct, 2.17ct, 1.01ct. TDW appr...

Antique early-20th Century Imperial Russian two-colour gold & diamond pencil holder, of flattened rectangular form, reeded in two colour gold and ...

A BROCK & CO. ART DECO EMERALD AND DIAMOND BRACELET. An articulated link bracelet made up of geometric open work links. One principle rectangular...

ART DECO DIAMOND PANEL RING. A principle old European cut diamond approx. 0.24ct. Flanked with two old mine cut diamonds, with a rose cut diamond ...

An 18 carat yellow gold emerald and diamond three stone ring, size O, comprising one centre square cut emerald and two modern round brilliant cut ...

A platinum set emerald and diamond bracelet, Art Deco style circa 1930, approx. 18 cm long, total approx. emerald weight 2 carats, total approx. d...

An Emerald, Onyx and Diamond Ring in white gold, set with a cabochon emerald to the centre with calibrated onyx accents and old-cut and rose-cut d...

Pair of 14ct gold princess cut diamond screw back stud earrings, total diamond weight approx 3.00 carat Condition Report: Approx 3.2gm, tested...

18ct white gold round brilliant cut diamond bracelet, with diamond set circular clasp, total diamond weight 2.00 carat Condition Report: Approx...

A yellow metal and diamond pavé set hinged bangle, probably Roberto Coin, makers mark 'RC', set to one half with nine rows of pavé set brilliant ...

4.85 Carat Round Brilliant-Cut Diamond Bracelet In 14k White Gold Diamonds: natural; 56 x round brilliant-cut; 4.85 cts total; H-K / SI1 approx...

18CT GOLD VINTAGE BIRDS OF PARADISE DIAMOND AND EMERALD BROOCH. An Italian bicolour gold stylised bird with highly decorative chiselled plumage. A...

A PAIR OF EMERALD AND DIAMOND CLUSTER EARRINGS in 18ct white gold, each set with an oval cut emerald, surrounded by a cluster of round brilliant c...

A Sapphire And Diamond Ring in 18k yellow gold, comprising three rows of alternating round cut blue sapphires and old cut diamonds. Partial Hallma...

A Ruby And Diamond Three Stone Gypsy Ring in 18k yellow gold, set centrally with a cabochon ruby, flanked either side with a round cut diamond, di...

Roberto Coin 'Parisienne' 18ct gold three row round brilliant cut diamond bangle, with a signature round cut ruby to the underside and ruby set cl...

Pair of 18ct white gold round brilliant cut diamond stud earrings, stamped 750, total diamond weight approx 1.05 carat Condition Report: Diamon...

Pair of 18ct white gold round brilliant cut diamond stud earrings, Sheffield 2002, total diamond weight approx 0.25 carat Condition Report: App...

A handmade fancy yellow diamond and white diamond ring, of abstract design, set to the centre with a marquise-cut fancy yellow diamond, diamond ap...

A diamond line bracelet, a bi-colour articulated bracelet, claw set with forty-eight brilliant-cut diamonds, diamonds approx. 5.00 carats total, p...

Certificated Pair Of Oval Peridot & RBC Diamond Halo Stud Earrings Boxed Peridots: natural; 2 x oval mixed cut; 3.00ct total. Diamonds: natu...

CARTIER: A 5.00 CARAT DIAMOND WAVE RING in 18ct white gold, circa. 2000, pavé-set with round brilliant cut diamonds over a stylised wave design, t...

A Pearl And Diamond Cluster Ring in 18k white gold and platinum, set with a central pearl of approximately 4.5mm, within a border of round cut dia...

An Impressive Diamond Bangle in 18K white gold, pavé set with approx. 23.0ct of round cut diamonds. In a cuff style with flexible bracelet allowin...

OSCAR HEYMAN & BROTHERS, A Ruby Ring in 18k yellow gold, the textured, brushed mount, invisibly set with eight calibre cut rubies. OHB makers mark...

A Fine Colombian Emerald and Diamond Bombe Ring in 18K white gold, set with an octagonal step-cut emerald weighing 7.95ct (accompanied by a gemolo...

18ct white gold single stone heart cut diamond pendant necklace, diamond approx 1.40 carat Condition Report: Approx 2.5gm, pendant length = 1.3...

18ct white gold round brilliant cut diamond fancy link bracelet, hallmarked, total diamond weight approx 0.50 carat Condition Report: Approx 11...

Halskette Weißgold 750/fein mit Diamanten, zusammen ca. 74,56 ct, F-G, SI1, und blauen/rosa Saphiren, zusammen ca. 110,54 ct, Gesamtgewicht 77,91 ...

Title: New! 9K Yellow Gold Ethiopian Welo Opal and Moissanite Ring Description: New! 9K Yellow Gold Ethiopian Welo Opal and Moissanite...

GIA / 0.80CT DIAMOND SOLITAIRE RING (VVS2 / F) '950' PLATINUM GIA CERTIFICATE NO.: 5191506543 DIAMOND SPECIFICATION: CARAT WEIGHT: 0...