Gemstone Auctions

An old cut diamond solitaire ring, the claw set stone weighing approximately 3 carats, on platinum shank. Finger size N/O.

A late Victorian gold Burmese sapphire single-stone ring. With report 319886/20067661, dated 17th April 2024, from AnchorCert, stating Myanmar (...

A diamond cluster ring, the central brilliant cut stone weighing approximately 1.5 carats, on 18ct gold shank. Finger size Q.

Amazing Antique Chunky Turquoise Chain Necklace with Hand Clasp the most charming necklace with beautiful detailing measurements l...

A cornflower blue sapphire & diamond ring, the four-claw cushion cut sapphire weighing in excess of 4 carats, having three small diamonds to each ...

Antique Blue Enamel Ruby and Pearl Locket Back Gold Pendant   amazing pearl ruby and blue enamel pendant, truly beautiful    measurements ...

Antique Victorian Era 15ct Gold Foiled Amethyst Pendant    very pretty!!   measurements size 24mm x 17mm weight 4.60g   materials ...

A certified natural 3.2 carat Sri-Lankan vivid pinkish purple colour change sapphire & diamond ring, the four-claw set square cushion cut sapphire...

A late Victorian diamond cluster ring, oval shaped old brilliant cut diamond, approximately 11.95 x 9.55 x 4mm, estimated approximate weight 3.0...

1.50Carat Diamond Solitaire Ring    excellent 1.50 carat diamond ring, the best engagement ring!    measurements size UK N US 7 head o...

A late 19th century silver and gold old and rose-cut diamond tiara, convertible to a necklace. Estimated total old-cut diamond weight 11cts, H-t...

Large 9ct Yellow Gold Pave Set Turquoise Bird with Ruby Eyes   amazing turquoise bird!!   measurements size 38mm x 27mm weight 7.86g ...

An early 20th century gold French-cut amethyst and seed pearl wreath brooch, by Cartier. Diameter 3.1cms. 4.9gms. With non-associated later Cart...

A diamond single stone ring the brilliant-cut diamond weighing 6.63cts, coronet-set to the plain tapering shank ring size Q, 5.7g Condition: O...

TIFFANY & CO; A BOXED PLATINUM AND DIAMOND NECKLACE AND PENDANT, STAMPED "PT 950" , "PERETTI" AND WITH IMPORT MARKS FOR LONDON 1997; DESIGNED BY E...

A green tourmaline and brilliant-cut diamond three-stone ring. Tourmaline calculated weight 5.08cts, based on estimated dimensions of 11.9 by 9....

Huge Vintage Sapphire and Diamond Cluster Flower Ring in 18ct White Gold    the most exquisite statement ring, truly exceptional    measur...

An 18ct gold, ruby and diamond ring, ring size P

Large Sized Outstanding Antique Amethyst and Diamond Pansy Gold Brooch in Antique Box Georgian era most precious amethyst pansy, beautiful  ...

CARTIER, A FINE ART DECO DIAMOND RING set with an old cut diamond of approximately 2.00 carats, the shoulders set with round and baguette cut diam...

Outstanding Antique Diamond and Pearl Gold Pendant in Original Fitted Velvet Box    central diamond approx 70pts h colour vs2 clarity    t...

TIFFANY & CO; A BOXED PLATINUM AND DIAMOND ETOILE RING, STAMPED "T&CO PT950 TIFFANY & CO", AND WITH IMPORT MARKS FOR LONDON 1995, SIZE J, 0.3 CARA...

An 18K Yellow Ornate Emerald Egg-Shaped Pendant. Five rectangular cut emeralds. Tests as 18k gold. 32mm. 13.8g total weight.

An Art Deco platinum diamond and sapphire ring, formerly from the collection of John Lennon and Yoko Ono. Estimated total diamond weight 0.55ct,...

CARTIER, A DIAMOND LOVE BANGLE in 18ct yellow gold, the hinged bangle punctuated by screw motifs, set with ten round brilliant cut diamonds, signe...

CARTIER, A DIAMOND LOVE BANGLE in 18ct yellow gold, the hinged bangle punctuated by screw motifs, set with four round brilliant cut diamonds, sign...

A diamond, aquamarine and ruby bee brooch, the central diamond 1.2ct approx. Aquamarine untested 6.9 x 7.3 mm approx Central diamond slightly ye...

An early twentieth century single row jade bead necklace, sixty four beads, diameter from approximately 5.1 to 9.40mm, length 52cm, strung knott...

A pair of carved citrine and mother-of-pearl shell earrings, by Verdura. Stamped 750. Length 2.6cms. 23.9gms. Condition Report: Surface scrat...

An 18ct Gold Diamond and Spinel Ring, set with a centre faceted spinel, approximately 2ct , surrounded by brilliant cut white diamonds, approxi...

AN ANTIQUE DIAMOND AND ENAMEL EGYPTIAN REVIVAL WINGED SCARAB BROOCH in yellow gold and silver, set with a carved scarab to the centre in a bord...

TIFFANY & CO., A MALACHITE AND MOTHER OF PEARL BANGLE in 18ct yellow gold, the hinged bangle inlaid with polished malachite and mother of pearl in...

JEAN SCHLUMBERGER FOR TIFFANY & CO., A PAIR OF TURQUOISE AND ENAMEL CLIP EARRINGS in 18ct yellow gold, each bombe earring relieved in green enamel...

A FINE 10.11 CARAT BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an octagonal step cut blue sapphire of 10.11 carats in a border of round brill...

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an emerald cut diamond of approximately 4.00 carats in a border of round brilliant cut diam...

AN ART DECO EMERALD AND DIAMOND BAR BROOCH set with five old European cut diamonds accented by a row of rectangular step cut emeralds, the diamond...

A mid 20th century gold Burmese ruby and diamond floral brooch. With report 16423, dated 28th October 2018, from The Gem & Pearl Laboratory, sta...

An unusual 19th century brooch, with two rearing horses, one horse set with old and rose cut diamonds, the other with old cut diamonds, each with ...

CARTIER, A DIAMOND JUSTE UN CLOU BANGLE designed as a nail, the head and tip accented by round brilliant cut diamonds, signed Cartier and numbered...

A BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING set with an octagonal step cut ruby of approximately 1.24 carats, accented on each side by a rou...

A 1.12 CARAT FANCY VIVID YELLOW DIAMOND RING set with an octagonal step cut yellow diamond of 1.12 carats, the shoulders set with trapezoid cut di...

CARTIER: A CASED 18 CARAT WHITE GOLD AND DIAMOND LOVE RING, MARKED "750" SWISS MARK FOR BIEL / BIENNE, "CARTIER 750-56 J42437 1998", SET WITH 3 ST...

A 19th yellow metal and garnet bracelet, in a vintage jewellery box

Thirty round brilliant cut diamonds are set on the front and inside the back of these fabulous 18ct rose gold hoop earrings. These earrings are 18...

An early 20th century old cut diamond three stone ring, with claw settings, finger size Q, diamond total weight approximately 1.27ct, marked '18ct...

A pair of 18ct gold diamond and haematite 'Casmir' earrings, by Chopard. Estimated total diamond weight 2cts, G-H colour, VS clarity. Swiss con...

CARTIER, A DIAMOND, EMERALD AND ONYX PANTHERE LAKARDA RING in 18ct white gold, designed as two coiled panthers pave set with round brilliant cut d...

VAN CLEEF & ARPELS, A PAIR OF LAPIS LAZULI AND DIAMOND TWO BUTTERFLY EARRINGS in 18ct yellow gold, each designed as a butterfly set with a marquis...

CARTIER, AN EMERALD AND ENAMEL DOUBLE PANTHERE RING in 18ct yellow gold, the open band designed as two panthers, the eyes set with round cut emera...

CARTIER, A VINTAGE CHRYSOPRASE, PEARL AND DIAMOND BRACELET comprising a row of pearls set with two cabochon chrysoprase carved to depict leaves, a...

A pair of early 20th century pear shaped diamond drop earrings Each central diamond: 7.4 x 5.2 mm approx. Visible inclusions to the naked eye So...

Title: Yellow Sapphire, 3.01 CT Description: Type: Corundum  Variety: Sapphire  Shape: Emerald Cut  Measurements: 9.78x6.51x4.79mm  Co...

A sparkling round brilliant cut diamond set in four claws on an 18ct white gold ring. A perfectly classic engagement ring and a true timeless trea...

A stunning oval cut ruby 1.54 carats sits surrounded by a double halo set with fifty two single cut diamonds and eight single cut diamonds on the ...

Four stunning emeralds 0.30 carats set between three sparkling round brilliant cut diamonds 0.25 carats in an 9ct yellow gold half eternity ring. ...

An 18ct gold emerald and diamond cluster ring, the oval facetted emerald surrounded by a row of round brilliant cut diamonds, all claw set, finger...

KUTCHINSKY, A MODERNIST DIAMOND DRESS RING, 1972 in 18ct yellow gold, the concave textured face accented by triangular sections of round brilliant...

CARTIER, AN ART DECO AQUAMARINE AND DIAMOND BROOCH set with an octagonal mixed cut aquamarine of 31.00 carats, accented on each side by single and...

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of 8.22 carats in a cluster of old European cut diamonds, the diamonds a...

A 5.00 CARAT SOLITAIRE DIAMOND RING set with a princess cut diamond of 5.00 carats, the gallery and band set with round brilliant cut diamonds, no...