A BLUE ZIRCON AND DIAMOND RING in platinum, set with a round cut blue zircon, the shoulders accented

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.

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

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 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

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

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.

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

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

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.

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

Ladies 14kt yellow gold blue topaz ring featuring a prong set pear shaped blue topaz weighing approx. 5.50ct.. Accented with shoulders of prong set round brilliant cut diamonds weighing approx. 0.06ct

Estate platinum ladies ring set with a beautiful London Blue Tanzanite accented with approx. 1.60cts of brilliant round cut & square cut Diamonds. Tanzanite measures: 9.79mm x 8.39mm x 3.67mm. Marked

Crafted in platinum featuring (1) round blue zircon measuring 12.2mm x 6.5mm with (4) fancy cut rubies on either side and (18) round diamonds in the shank. Ring size 4 3/4 and weighs 3.5dwt. 27-13

A BLUE TOPAZ AND DIAMOND RING in 9ct yellow gold, set with an emerald cut blue topaz, accented by round brilliant cut diamonds, the shoulders set with further diamonds, full British hallmarks for 9ct

Ladies platinum tanzanite and diamond ring featuring a prong set oval cut medium dark, moderately strong, violetish blue tanzanite weighing approx. 4.62ct.. Accented with a halo and shoulders of prong

2.35 grams, finger size 16mm. Set with blue zircon stone; 2x brilliant-cut diamonds to each shoulder, 0.10ct each, VS2, G colour.

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 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.

NO RESERVE - A BLUE ZIRCON AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut blue zircon in a cluster of single cut diamonds, stamped 18CT, size L1/2 / 6, 3.8g. 

Ladies 14kt white gold blue and white diamond ring featuring prong set round brilliant cut blue diamonds weighing approx. 0.42ct.. Accented with prong set round diamonds weighing approx. 0.42ct., Clar