A TOURMALINE AND DIAMOND RING set with a cushion cut

A GREEN TOURMALINE AND DIAMOND RING set with a cushion cut green tourmaline of 13.47 carats, the stepped shoulders set with round cut diamonds, no assay marks, size O / 7, 7.9g.

A TOURMALINE AND DIAMOND RING set with a cushion cut green tourmaline of 13.20 carats between trios of round cut diamonds, unmarked, size M / 6, 8.3g.

A CHROME TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with a cushion cut chrome green tourmaline of 12.76 carats in a stylised border of round brilliant cut diamonds, partial British hallmarks

A TOURMALINE AND DIAMOND RING in 9ct white gold, set with a cushion cut tourmaline between two rose cut diamonds, stamped 375, size L / 5.5, 1.9g.

14k white gold ring set with a cushion cut 9.38ct blue tourmaline and 0.87 ctw round brilliant white diamonds. Ring size 7. Hallmarked 14k SD. Approx. overall weight 11.8 grams.

A FINE ANTIQUE PINK TOURMALINE AND DIAMOND RING, 19TH CENTURY in yellow gold and silver, set with a cushion cut pink tourmaline of 10.50 carats within a cluster of old cut diamonds all totalling 2.5-2

TOURMALINE AND DIAMOND RING Set with a cushion-shaped tourmaline, between shoulders set with brilliant-cut diamonds, mounted in 18 carat gold, partial UK hallmark, ring size approx. N

A TANZANITE, PINK TOURMALINE AND DIAMOND DRESS RING set with a cushion shaped tanzanite of 11.28 carats, accented by marquise cut pink tourmalines and round brilliant cut diamonds, no assay marks, siz

10k stamped ring set with center 3 carat cushion cut peridot, accented by round green tourmalines and .10 CTW round diamonds. Size 8. 2.8 dwt. RM/EK IMPORTANT: Before bidding, please read the terms an

Comprising a ring, set with a cushion-shaped Brazilian Paraiba tourmaline weighing 2.58 carats, decorated with pear and circular-cut diamonds, detachable as single hoop; and a pair of earrings en suit

Tourmaline, diamond and 14k yellow gold ring Featuring (1) cushion-cut green tourmaline, weighing approximately 4.20 cts., accented by (1) full-cut diamond, set in a 14k yellow gold mounting, size 7 1

Crafted in 18K gold and platinum; set with a cushion-shaped tourmaline, weighing approximately 15.75 carats; accented by round brilliant-cut diamonds, weighing a total of approximately 1.75 carats, mo

An 18kt yellow gold ring centred by a large cushion cut tourmaline with small diamond set leaves at the corners on a twisted, split band. Marked D.Y. 750. Size approx. 7.75, total weight 11.5 grams.

BICOLOR GOLD, TOURMALINE AND DIAMOND RING Cushion cut cabochon tourmaline measuring approximately 16.75 x 18.00 mm with round brilliant cut diamonds accenting the shank. Ring size 7 1/2. Stamp: DBAC.

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 4.18 carats, within a graduated border of old cut and round cut diamonds, no assay marks, size N / 6.75, 4.0g. Accompa

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 6.12 carats, within a border of single cut diamonds, no assay marks, size N / 6.75, 5.4g. Accompanied by a gemmologic

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 4.40 carats within a cluster of round cut diamonds, no assay marks, size M / 6, 6.3g. Accompanied by two gemmological repor

A RUBY AND DIAMOND RING set with a cushion cut ruby of approximately 1.51 carats, the stepped shoulders set with baguette cut diamonds, no assay marks, size O / 7, 4.5g.

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,

A 14kt White Gold, Amethyst and Diamond Ring, Set with one cushion cut amethyst gemstone, approx. 9mm x 7mm, approx. 2.25 cts. Also set with eighteen round cut diamond melee, each approx. 0.01 pts. Ma

ANTIQUE SAPPHIRE AND DIAMOND RING set with alternating cushion cut sapphires and rose cut diamonds, size P / 7.5, 3.9g.

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

A RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of 2.37 carats within a cluster of round cut diamonds, with further diamonds to the band, no assay marks, size O / 7, 3.2g.

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.19 carats, between stepped shoulders set with round brilliant cut diamonds, no assay marks, size M / 6, 5.3g.