gemstone

Title: Kashmir Ruby Description: A very nice untreated 1.45 carats Kashmir Ruby. Excellent cut and great pinkish red colour. C...

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut sapphire of 6.88 carats in a concentric border of round brilliant cut yell...

AN ANTIQUE RENAISSANCE REVIVAL RUBY, TURQUOISE, PEARL AND ENAMEL PENDANT NECKLACE in yellow gold, comprising a fancy link chain set with cushion c...

BOUCHERON, A MULTIGEM PEACOCK RING designed as a peacock set with round brilliant cut diamonds and pink and yellow round cut sapphires, the feathe...

A VINTAGE LAPIS LAZULI AND DIAMOND PENDANT NECKLACE, 1970S comprising a row of openwork links set with round brilliant and baguette cut diamonds, ...

ALEXIS NY, A DIAMOND, EMERALD AND ENAMEL SNAKE NECKLACE the snake comprising a row of articulated links decorated with black enamel, the head and ...

ALEXIS NY, A DIAMOND, SAPPHIRE AND TURQUOISE ENAMEL DOUBLED HEADED SNAKE BRACELET the snake comprising a row of articulated links decorated with t...

A MULTIGEM PANTHER RING designed as a coiled panther, set with square step cut rubies, emeralds and sapphires, round cut emeralds and an oval cut ...

AN EMERALD, RUBY, SAPPHIRE AND DIAMOND BROOCH / PENDANT set with a pear shaped cabochon emerald of approximately 18.50 carats in a border of round...

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND BRACELET in yellow gold and silver, set with five mixed cut sapphires totalling approximately 33.67...

CARTIER, A VINTAGE RUBY, EMERALD AND DIAMOND BIRD BROOCH in 18ct yellow gold, designed as a bird perched on a branch, the head set with a row of r...

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with three cushion cut sapphires  accented by old cut diamonds, the sapphires all totalli...

A RUBY AND DIAMOND BOMBE RING in 18ct yellow gold, the bombe face set with round cut rubies accented by round brilliant cut diamonds, the rubies a...

A NATURAL FANCY DEEP BROWNISH YELLOW AND WHITE DIAMOND RING set with a cut cornered rectangular modified brilliant cut fancy deep brownish yellow ...

A 4.23 CARAT DIAMOND RING set with a round brilliant cut diamond of 4.23 carats in a border of round brilliant cut diamonds, the bifurcated band s...

A BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING set with an oval cut ruby of 1.06 carats accented on each side by a pear cut diamond, stamped PT...

A CHINESE CARVED JADEITE JADE, PEARL AND GOLD BEAD NECKLACE comprising Chinese carved jadeite jade beads spaced by textured gold beads, the clasp ...

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 23.45 carats in a border of round brilliant cut diamonds, the shoulders set ...

BOUCHERON, AN ENAMEL AND RUBY BIRD BROOCH in 18ct yellow gold, designed as a bird perched on a branch, the bird relieved in green and blue enamel,...

A TREATED YELLOW AND WHITE DIAMOND THREE STONE RING set with a radiant cut treated yellow diamond of approximately 2.00 carats between two trillio...

A NATURAL FANCY ORANGY YELLOW AND WHITE DIAMOND RING set with a round brilliant cut diamond of 1.18 carats in a border or round brilliant cut diam...

BUCCELLATI, AN EMERALD AND DIAMOND RING set with an oval cabochon emerald accented on each side by a round brilliant cut diamond, inscribed J.A.S....

AN OPAL, EMERALD AND DIAMOND PENDANT NECKLACE comprising a row of round brilliant cut diamonds, suspending a pendant set with a cabochon opal of 5...

VAN CLEEF & ARPELS, A MOTHER OF PEARL ALHAMBRA BRACELET in 18ct yellow gold, comprising five quatrefoil links set with mother of pearl, connected ...

VAN CLEEF & ARPELS, A DIAMOND FRIVOLE BRACELET in 18ct white gold, comprising a flower with three heart shaped petals and set to the centre with a...

BOUCHERON, AN EMERALD RING in 18ct yellow gold, the fluted band set with a cabochon emerald, signed Boucheron Paris, French assay marks, size J / ...

A BLUE AND PINK DIAMOND RING set with a heart cut blue diamond of approximately 0.97 carats between two pear cut pink diamonds, the band set with ...

A RUBELLITE TOURMALINE AND DIAMOND RING set with a cushion cut rubellite tourmaline of 18.70 carats, the gallery and shoulders pave set with round...

AN EMERALD, RUBY AND DIAMOND BRACELET set with a row of oval cabochon rubies and clusters of square step cut emeralds, in clusters of round brilli...

A BLUE AND FANCY ORANGY PINK DIAMOND RING set with a round brilliant cut blue diamond of approximately 1.16 carats between two pear cut fancy oran...

A PAIR OF DIAMOND AND ENAMEL EARRINGS each domed face set with a cluster of round brilliant cut diamonds accented by white enamel, stamped 750, 2....

ALEXIS NY, A DIAMOND, SAPPHIRE AND ENAMEL SNAKE RING comprising a row of articulated links decorated with turquoise and white enamel, the head and...

A RUBY AND SAPPHIRE LOCKET PENDANT the spherical pendant set with oval and round cabochon rubies and sapphires, opening to reveal three locket com...

A PAIR OF FANCY COLOUR DIAMOND EARRINGS each designed as a half hoop set throughout with variously cut yellow green, pink, orange and brown diamon...

AN ANTIQUE AMETHYST AND DIAMOND BROOCH in yellow gold and silver, set with a round cabochon amethyst in a border of old and rose cut diamonds, no ...

BUCCELLATI, A DIAMOND DRESS RING the round openwork face set with a round brilliant cut diamond, in a concentric border of further diamonds, signe...

VAN CLEEF & ARPELS, A RUBY AND DIAMOND FLOWER RING in 18ct yellow gold, the bombe face set with round cut rubies and round brilliant cut diamonds,...

A PAIR OF REVERSIBLE RUBY, SAPPHIRE AND DIAMOND DROP EARRINGS each comprising a row of rose cut diamonds suspending a swiveling pear shaped drop, ...

AN ANTIQUE PEARL AND ENAMEL MOURNING RING the oval face set with a pearl in a star motif, relieved in black enamel, the band set with hairwork, in...

POMELLATO, A ROCK CRYSTAL AND DIAMOND DRESS RING set with a fancy cut rock crystal of approximately 22.46 carats accented by round brilliant cut d...

CARTIER, A CITRINE AND DIAMOND FLOWER BROOCH in 18ct yellow gold, designed as a flower head set with pear and marquise cut citrines, accented by r...

LACLOCHE, A CORAL, BLUE CHALCEDONY AND DIAMOND TOUCAN BROOCH in 18ct yellow gold, designed as a toucan set with a round cabochon coral and polishe...

POMELLATO, A RHODOLITE GARNET STARFISH RING designed as a starfish set throughout with round cabochon and round cut rhodolite garnets, signed Pome...

AN EMERALD AND DIAMOND NECKLACE comprising a row of circular links, suspending a geometric pendant set with rectangular step cut emeralds, accente...

A GREEN TOURMALINE AND DIAMOND PENDANT set with an octagonal step cut green tourmaline of 122.84 carats in a border of oval, marquise and pear cut...

A PAIR OF EMERALD AND DIAMOND DROP EARRINGS each set with an oval cut emerald in a cluster of round brilliant cut diamonds, suspending three drops...

A GREEN TOURMALINE AND DIAMOND RING set with an octagonal step cut green tourmaline of 23.29 carats in a border of round brilliant cut diamonds, t...

VAN CLEEF & ARPELS, A PAIR OF CORAL, CHRYSOPRASE AND DIAMOND CLIP EARRINGS in 18ct yellow gold, each set with polished coral and chrysoprase, acce...

A TOPAZ AND DIAMOND RING set with an oval cut topaz of 15.52 carats in a border of pave set round brilliant cut diamonds, the bifurcated shoulders...

VAN CLEEF & ARPELS, A DIAMOND, EMERALD AND ONYX LION EBOURIFFE BROOCH in yellow gold and platinum, designed as a lion cub, the eyes set with round...

CARTIER, AN EMERALD DOLPHIN BROOCH in 18ct yellow gold, designed as a mother and baby dolphin swimming alongside each other, the eyes set with rou...

A RUBELLITE TOURMALINE AND DIAMOND RING set with an oval cut rubellite tourmaline in a border of round brilliant cut diamonds, no assay marks, siz...

JACOB & CO., A DIAMOND PENDANT NECKLACE the openwork pendant set throughout with round brilliant cut diamonds, the diamonds all totalling 5.2-5.4 ...

A SAPPHIRE AND DIAMOND DRESS RING set with an oval cut sapphire of approximately 4.00 carats, in a cluster of round brilliant and tapered baguette...

MARINA B, A PAIR OF TOURMALINE AND DIAMOND EARRINGS each set with a fancy cut green and pink tourmaline accented by round brilliant cut diamonds, ...

A BELLE EPOQUE OPAL, DIAMOND AND PEARL BROOCH the rectangular brooch set with a round cabochon opal in a border of old cut diamonds and pearls, th...

MARINA B, A DIAMOND TRISOLINA EVIL EYE COLLAR NECKLACE comprising three rows of tubogas links with an evil eye motif set with round brilliant cut ...

A DIAMOND AND TSAVORITE SNAKE NECKLACE the body comprising scales set with tapered baguette and round brilliant cut diamonds, the head set with ro...

AN ANTIQUE NATURAL PEARL AND DIAMOND STAR BROOCH in yellow gold and silver, designed as an eight rayed star set to the centre with a pearl of 11.9...

MANGIAROTTI, A PAIR OF EMERALD AND DIAMOND EARRINGS in yellow gold, each set with round brilliant cut diamonds and round cut emeralds, signed Mang...