A VINTAGE PINK TOURMALINE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut

AN ANTIQUE BURMA NO HEAT PINK SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut pink sapphire of 1.36 carats in a cluster of old cut diamonds, on a bifurcated band, no

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

14K yellow gold cluster dome ring featuring a cabochon aquamarine, three cabochon pink tourmalines, a round and an oval cut amethyst, two oval cut citrines, and five accent diamonds, textured finish s

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut sapphire of approximately 1.29 carats in a cluster of old cut diamonds, no assay marks, size N1/2 / 7, 2.6g

AN AMETHYST AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut amethyst within a border of flat cut diamonds, no assay marks, size P / 7.5, 2.7g.

A PINK TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with an oval cut pink tourmaline of 2.36 carats, the band set with two marquis cut diamonds both totalling 0.24 carats, stamped K18, size K

A VINTAGE AMETHYST AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut amethyst in a border of rose cut diamonds, no assay marks, size O / 7, 4.1g.

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

A VINTAGE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks for London 1975, size Q / 8.25, 5.2g.

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

A VINTAGE PERIDOT AND DIAMOND CLUSTER RING in 18ct yellow gold, set to the centre with an oval cut peridot to a surround of single cut diamonds, full British hallmarks for Birmingham 1968, size J / 4.

AN ANTIQUE RUBY AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval ruby in a border of rose cut diamonds, no assay marks, size P1/2 / 8, 3.0g.

AN ANTIQUE RUBY AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval ruby in a border of rose cut diamonds, no assay marks, size P1/2 / 8, 3.0g.

AN OPAL AND DIAMOND CLUSTER DRESS RING in yellow gold and silver, set with an oval cabochon opal within a border of old cut diamonds, no assay marks, size N / 6.5, 4.6g.

A VINTAGE RUBY AND DIAMOND RING in yellow gold and silver, the face designed as an openwork flower, set with oval cut rubies and rose and table cut diamonds, no assay marks, size N / 6.5, 4.8g.

A PINK TOPAZ AND DIAMOND DRESS RING, 19TH CENTURY AND LATER in yellow gold and silver, later converted to a ring with the addition of a ring band, set with an oval cut pink topaz between rose cut diam

Genuine Tourmaline and Earth-Mined Diamond Ring. The 3.67 carat oval-cut pink tourmaline has a warm hue that radiates a tropical paradise aura. It is crown-set in a 14 karat yellow gold ring with .24

A tourmaline and diamond cluster ring claw-set with a reddish-pink oval-cut tourmaline, in a double border of round brilliant-cut diamonds, to a plain shank, mounted in 18ct gold(Ring size: R/S)

Ladies' vintage 14 karat Yellow Gold cluster ring. Set to the center with an oval shaped blue Sapphire stone encircled by ten round brilliant cut Diamonds, weighing approx. .15cts. twt. Ring size 5. W

A diamond and tourmaline cluster ring set with an emerald-cut tourmaline, within a silver border of old rose-cut diamonds, with yellow metal shank (tests as gold), size K 1/2, 3 grams.

A 9ct gold sapphire and diamond cluster ring, together with a mid 20th century silver and 9ct gold paste ring. The first set with an oval-shape pink sapphire within single-cut diamond border, the seco

Metal: 10K yellow gold. 14ct turquoise, oval shape. 100% natural earth mined. 0.24 carat diamonds. Round brilliant cut diamonds set in prongs. VS clarity and F color. 100% natural and genuine diamonds

Pink Tourmaline, Diamond, 18k Gold Ring. Featuring one oval shaped carved pink tourmaline cabochon measuring approximately 14 x10.3 mm, surrounded by round-cut diamonds, set in an 18k yellow and white

a berry cluster motif made up of oval cabochon pink tourmalines weighing approximately 63.11 total carats, with a spiked flower motif surmount set with round brilliant cut diamonds weighing approximat