A BLUE ZIRCON AND DIAMOND DRESS RING set with a cushion cut blue zircon of 5.76 carats, accented to

A BLUE ZIRCON AND DIAMOND DRESS RING set with a cushion cut blue zircon of 5.76 carats, accented to the openwork band with single cut diamonds, no assay marks, size M / 6, 6.6g.

A BLUE ZIRCON AND DIAMOND RING set with a round cut blue zircon of 3.73 carats accented by trios of round cut diamonds, no assay marks, size O / 7, 2.8g.

A BLUE ZIRCON AND DIAMOND DRESS RING set with a round cut blue zircon of 3.73 carats, between trios of old cut diamonds in the shoulders, no assay marks, size N1/2 / 7, 2.8g.

A BLUE ZIRCON AND DIAMOND DRESS RING in high carat yellow gold, set with a pear cut blue zircon of 3.47 carats, unmarked, size N / 6.75, 3.7g.

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of approximately 5.02 carats, accented by rows of round brilliant cut diamonds, with further round brilliant cut diamonds to the

A SAPPHIRE AND DIAMOND DRESS RING in yellow gold and silver, set with a cushion cut blue sapphire of 1.10 carats, accented by rose cut diamonds, no assay marks, size P / 7.5, 3.6g.

A BLUE ZIRCON, RUBY AND DIAMOND RING in 14ct white gold, set with a central mixed cut zircon of 1.89 carats within a stylised halo of round brilliant cut diamonds accented by round cut rubies, stamped

A BLUE ZIRCON AND DIAMOND RING set with a round cut blue zircon of approximately 3.73 carats accents by trios of old cut diamonds, no assay marks, size O / 7, 2.8g.

BLUE ZIRCON AND DIAMOND DRESS RING, set to the centre with an oval cut blue zircon of approx. 5.76 ct. The further openwork head set with diamonds. Size L 1/2. 6.7 grams.

A BLUE ZIRCON AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cut blue zircon within a scalloped border set with round cut diamonds, size N / 6.75, 4.7g.

AN ANTIQUE BLUE ZIRCON, DIAMOND AND PEARL PENDANT in yellow gold, set with an emerald cut blue zircon of 14.42 carats, accented by flowers set with pearls and old and rose cut diamonds, suspending a t

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

NO RESERVE - A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut blue sapphire of 3.49 carats accented by rose cut diamonds, on a twisted wire band, no assay marks, size

A FANCY COLOUR DIAMOND DRESS RING in 18ct white gold, set with a cushion cut blue diamond of 1.01 carats in a border of round brilliant cut pink diamonds, and a cushion cut yellow diamond of 1.26 cara

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1900 in yellow gold and silver, the navette face set with a cushion cut blue sapphire accented by rose cut diamonds, with pierced decoration to the sh

Large Zircon and Diamond Ring platinum, the ring mounted with a round-cut blue zircon weighing approximately 15.32 carats, accented on the ring shank with round brilliant-cut diamonds weighing approxi

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

A ZIRCON AND DIAMOND RING  The claw-set circular-cut blue zircon, between millegrain-edged shoulders accented by brilliant-cut diamonds, to a tapering hoop, stamped 9CT, ring size M.  Gross weig

A SAPPHIRE AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires, accented by pairs of old cut diamonds, stamped 18ct, size O / 7.25,

White Gold, Blue Zircon, and Diamond Ringcentering on an oval cut blue zircon (9.20 x 8.30 x 7.23 mm) weighing approximately 5.60 carats prong set within a halo of full cut round diamonds weighing app

A SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold, set with a cushion cut blue sapphire of 3.02 carats, between two old cut diamonds, accented by rose cut diamonds, the diamonds all totalling 1.7

Lady's 18K white gold ring with an approximate 11.68 carat cushion cut, transparent natural blue zircon. The zircon is surrounded by 18 princess cut diamonds of about .10 carats each and four round fu

A BLUE-GREEN BERYL AND DIAMOND RING Centering a cushion-shaped beryl weighing approximately 20.00 carats, accented by collet-set table-cut diamonds with shoulders and undergallery pave-set with round

Blue zircon, diamond, and white gold ring Set with an oval-cut blue zircon, framed by round brilliant-cut diamonds 14k white gold Ring size 7; Gross weight 3.4 dwts This work will ship from Lambertvil