A BLUE ZIRCON AND DIAMOND DRESS RING set with a round cut blue zircon of 3.73 carats, between trios

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 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 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.

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 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.

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 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

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

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.

Ladies 14kt white gold blue zircon and diamond ring featuring a prong set oval cut bleu zircon weighing approx. 5.88ct.. Surrounded by a frame of prong set round brilliant cut diamonds weighing approx

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

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

Gem Type: Natural Blue Zircon and Diamonds Item: Ring Diamond weight: .59 carat Diamond Shape/Cut: Round Brilliant Clarity: SI2, Color: I, Treatment: None Blue Zircon weight: 5.25 carat Blue Zircon Sh

Gem Type: Natural Blue Zircon and Diamonds Item: Ring Diamond weight: .59 carat Diamond Shape/Cut: Round Brilliant Clarity: SI2, Color: I, Treatment: None Blue Zircon weight: 5.25 carat Blue Zircon Sh

14k yellow gold necklace and ring set. Consisting of a ring containing one round mixed cut blue Zircon and six single cut diamonds, together with a pendant containing one round mixed cut blue Zircon s

ANTIQUE BLUE ZIRCON DRESS RING in platinum or white gold, the round cut zircon of 2.66 carats between textured shoulders, unmarked, size O / 7, 2.5g.

Wachler Blue Zircon, Diamond, White Gold Ring Stones: Round-shaped blue zircon weighing approximately 11.75 carats; full-cut diamonds weighing a total of approximately 0.25 carat Metal: 14k white gold

AN ART DECO BLUE ZIRCON AND DIAMOND RING, a round-cut zircon in a claw setting to eight-cut diamond-set stepped shoulders, estimated zircon weight 1.89ct approximately, total estimated diamond weight

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1915 in 18ct yellow gold, set with a trio of graduated round cut blue sapphires accented by old cut diamonds, British hallmarks for Chester, 19

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1915 in 18ct yellow gold, set with a trio of graduated round cut blue sapphires accented by old cut diamonds, full British hallmarks for Cheste

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of cushion and round cut blue sapphires within borders of old cut diamonds, stamped 18ct, size L / 5.75, 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 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

A 14ct white gold blue Sapphire diamond dress ring. Features four marquises and twenty-six round cut Sapphires at 1.45ct in total carat weight with eye clean clarity. Set along with twenty-six round b