A diamond, tourmaline and synthetic opal dress ring.

A diamond and opal dress ring. The marquise-shape textured panel, with old-cut diamond and vari-shape opal cabochon collets, to the bifurcated sides. One opal cracked. Estimated total diamond weight 1

An early 20th century 18ct gold diamond and opal dress ring. The oval-shape opal cabochon line, with old-cut diamond spacers. Hallmarks for Birmingham, 1916. Ring size N1/2. Weight 3.5gms. Overall con

An Edwardian 18ct gold diamond and synthetic ruby dress ring. The alternating circular-shape synthetic ruby and old-cut diamond line, with scrolling shoulders. Hallmarks for Birmingham, 1901. Ring siz

Kabana 1.40ct Pink Tourmaline, 0.25ctw Diamond, Inlaid Opal and Solid 14K Yellow Gold Ring - This ring was made by Kabana, a New Mexico designer and manufacturer with fine jewelry creations made entir

14Kt Yellow Gold Tourmaline / Opal / Diamond Ring. Ring has one Green Tourmaline with 9 Diamonds on the center & Opal Stone. Ring size: 6.75. Total weight: 8.50 Grams.

A Fine Tourmaline, Opal, & Diamond Ring, 14K White Gold Sterling Silver: Centering One Opal Stone Flanked By Tourmaline And Diamond Stones in A Floral Design, inlaid in A 14K White Gold Sterling Silve

GRIMA: BOULDER OPAL AND DIAMOND DRESS RING, 1977 The oval boulder opal in a pierced mount of textured wire with brilliant-cut diamond accents, mounted in 18 carat gold, signed Grima, workshop mark HJC

AN OPAL AND DIAMOND DRESS RING in 18ct yellow and white gold, set with an oval cabochon opal accented by round brilliant and princess cut diamonds, the diamonds all totalling 1.2-1.4 carats, British h

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

A PINK TOURMALINE AND DIAMOND DRESS RING in platinum, set with an oval-shaped fancy cut pink tourmaline of 13.95 carats, the trefoil shoulders and shank accented with round cut diamonds, no assay mark

Kabana 1.25ct Pink Tourmaline, 0.25ctw Diamond, Inlaid Opal and 14K Yellow Gold Ring - This lovely ring was made by Kabana, a New Mexico designer and manufacturer with fine jewelry creations made enti

STEPHEN WEBSTER, A GREEN TOURMALINE AND DIAMOND DRESS RINGThe oval cut green tourmaline within a surround of brilliant cut and baguette cut diamonds, approximately 1.18 carats total, to a shaped shank

AN ANTIQUE OPAL AND DIAMOND DRESS RING, 19TH CENTURY in 18ct yellow gold, set with a central round cabochon opal between two kite shaped cabochon opals, the central opal within a border of old cut dia

A 1970s tourmaline, diamond and amethyst dress ring of pierced design, set with various marquise-cut green tourmalines and amethysts and round-cut diamonds, modelled in 18ct gold(Ring size: L/M)

AN OPAL AND DIAMOND DRESS RING in high carat yellow gold and silver, set with an oval cabochon opal within a border of rose cut diamonds, with stylised decoration to the band, unmarked, size N / 7, 3.

OPAL AND DIAMOND DRESS RING, in 18-ct gold. Set with 3 opals, flanked with 4 diamonds. Size N. 4.7 grams.

AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly o

NO RESERVE - AN ANTIQUE OPAL AND DIAMOND DRESS RING, Made in yellow gold, Three graduated oval cabochon opals, Old European brilliant cut diamonds (one replaced with a round brilliant cut diamond), No

AN ANTIQUE OPAL AND DIAMOND DRESS RING in high carat yellow gold, the face set with five graduated oval cabochon opal accented by single cut diamonds, with textured decoration to the band, unmarked, s

AN OPAL AND DIAMOND DRESS RING in 18ct white gold, set with a pear shaped cabochon opal within a twisted mount, accented by round cut diamonds, stamped 18kt, size Q / 8, 8.6g.

NO RESERVE - AN OPAL AND DIAMOND DRESS RING, Made in yellow gold and platinum, Oval cabochon opal, weighing approximately 1.50 carats, Single cut diamonds, Stamped Plat,Size N / 6.75, Weight 2.0 grams

AN OPAL AND DIAMOND DRESS RING in platinum, set with two cabochon opals and two old cut diamonds, the diamond both totalling 0.4-0.5 carats, stamped PT, size M / 6, 3.6g.

OPAL AND DIAMOND DRESS RING, in 18 ct. gold. Set with 3 oval cabochon cut opals, accentuated with 4 diamonds. The side of the head and shoulders with relief scrolling design. Size N. 7.8 grams.

A VINTAGE GREEN TOURMALINE AND DIAMOND DRESS RING in 18ct yellow gold, set with a step cut green tourmaline of 2.11 carats, between round brilliant cut diamonds, stamped 18K, size O / 7.25, 3.8g.