An aquamarine and diamond brooch, the cushion cut

1910s aquamarine diamond pendant necklace. Cushion-cut aquamarine weighs approx. 57ct, very pleasant blue with good saturation and life. Diamond weighs approx. 1ct. Chain signed 14K. Necklace length 1

A 19TH CENTURY SAPPHIRE AND DIAMOND CRESCENT BROOCH graduated cushion-cut sapphires spaced by old-cut diamond accents. Estimated total diamond weight 0.25ct, 2.8cm by 3cm, 4.4 grams Good condition.

18K Rose Gold Cushion Cut Aquamarine Diamond Ring, new, size 8, 5 round faceted cut Aquamarine stones surrounded by microdiamonds all set in 18K Rose Gold.

18K Rose Gold Cushion Cut Aquamarine Diamond Ring, new, size 8, 5 round faceted cut Aquamarine stones surrounded by microdiamonds all set in 18K Rose Gold.

Silver, Gold and Diamond Brooch Cushion and old-mine-cut diamonds ap. 11.00 cts., ap. 13 dwts. C

A MID 19TH CENTURY GARNET AND DIAMOND CRESCENT BROOCH, of alternating cushion-cut garnets and old-cut diamonds. Estimated total diamond weight 1.50ct, 2.5cm diameter, 4.5 grams

14K White Gold Aquamarine and Diamond Necklace, faceted cushion cut rectangular stone, framed by round and marquis diamond clusters, prongset, rolo-chain, lobster clasp, marked length 25 in. pendant

AQUAMARINE AND DIAMOND BROOCH, CIRCA 1950 The octagonal-cut aquamarine within an openwork geometric frame set with single, old brilliant and baguette-cut diamonds, length 3.7cm For further informatio

Platinum and Diamond Brooch centering a cushion old mine-cut diamond weighing approx. 3.00 cts. surmounted in a bow and starburst design set with old mine-cut diamonds; approx. 6.00 tcw.; 13.89 dwts.;

A 14K WHITE GOLD, AQUAMARINE AND DIAMOND RING Centering a cushion mixed-cut aquamarine weighing approximately 12.60 accented by round diamonds, size 7

A FINE ANTIQUE DIAMOND BROOCH set with an old mine cushion cut diamond of 4.00 carats in a cluster of old cut diamonds, accented by further old and rose cut diamonds to the openwork frame, the diamond

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of 14.29 carats in a border of round brilliant and baguette cut diamonds, the band set with further diamonds, stamped 750, size N / 6,

Size: 7.25 Sterling Silver Gemstone: Natural & Diamond Accent

Size: 7.5 Sterling Silver Gemstone: Natural & Diamond Accent

Platinum, Aquamarine and Diamond Double Clip-Brooch 6 square-cut and 6 tapered baguette aquamarines, 38 round diamonds ap. 1.68 cts., and 54 single-cut and 4 baguette diamonds ap. 1.25 cts., no. 10094

AN 18K GOLD, AQUAMARINE AND DIAMOND RING Centering a rectangular cushion mixed-cut aquamarine weighing approximately 22.52 carats accented by round diamonds, size 6 1/4

AQUAMARINE AND DIAMOND RING Containing one cushion mixed cut aquamarine measuring approximately 13.25 x 9.85 mm and six round brilliant cut diamonds weighing approximately 0.60 carat total. Mounted in

Arts & Crafts Aquamarine and diamond brooch Set with an oval-cut aquamarine measuring approx. 11.20 x 17.06 x 6.4 mm within an openwork old mine-cut diamond frame Yellow and white gold 1 x 1 â…›

AQUAMARINE AND DIAMOND PENDANT Containing one cushion mixed cut aquamarine measuring approximately 20.40 x 15.50 x 12.15 mm and one round brilliant cut diamond weighing approximately 0.18 carat. Mount

DESCRIPTION: 14k fine chain, center section set with checkerboard cushion cut aquamarine and diamonds. MEASUREMENTS: Pendant 3/8" x 3/4". Necklace 16" long. 2.4 dwt.

Tiffany Paper Flowers Aquamarine Single Drop Earring in Platinum with Diamonds Platinum encrusted with round brilliant diamonds and cushion-cut aquamarines Flowers, 14.5 x 14 mm each Round brilliant d

A pair of aquamarine and diamond ear studs, featuring a rectangular cushion cut aquamarine of estimated weight 3.18 carats, within a fine border of round brilliant cut diamonds. 9ct white gold. Weight

A Yellow Gold, Aquamarine and Diamond Clip/Brooch, containing one octagonal step cut aquamarine measuring approximately 22.15 x 18.15 x 12.75 mm and five round brilliant cut diamonds weighing approxim

Aquamarine and Diamond Ring.  The 1.81 carat cushion-cut, genuine aquamarine is prong set in a platinum ring with .56 carats of round, brilliant-cut, F color, VS2-SI1 diamonds in the halo and cro