Antoine Bricteux (attributed), an Art Nouveau 18ct gold amethyst and opal dress ring

set with a large oval opal surrounded by textured gold surround, a/f, total weight 11.73gm

ART NOUVEAU, YELLOW GOLD AND OPAL RING Consisting of an openwork curling foliate motif containing one round cabochon opal measuring approximately 5.75 mm in diameter and 10 mixed cut green gemstones.

ART NOUVEAU, YELLOW GOLD AND OPAL RING Containing one cabochon opal measuring approximately 15.00 x 12.50 x 5.40 mm in an engraved garland style mounting. Ring size 6. Stamp: (obscured hallmark)14. Gr

Antique Art Nouveau 12K rose gold oval amethyst fleur-de-lis design motif ring, set with one oval cabochon-cut amethyst, light purple saturation; approx: 12 x 9mm. Marked with English maker's mark. Ri

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

Three gold gem-set rings. To include an early 20th century 18ct gold opal and diamond dress ring, a 9ct gold garnet band ring, together with one further ring. One AF. Hallmarks for gold, one partially

An 18ct gold fire opal and diamond dress ring. The oval-shape fire opal, with pave-set diamond shoulders. Estimated dimensions of fire opal 18 by 13 by 9mms. Hallmarks for Birmingham, 2011. Ring size

Antique 10K Yellow Gold and Emerald Cut Fire Opal Ring. Stylized Art Nouveau Setting. Size 5 1/2"

Art Nouveau ring with opal. Features a floral form with oval 13mm x 10mm bezel set cabochon. Marked 14k Potter Mellen. Weighs 10 grams. Measures 20mm wide. Size 6. Good overall condition with minor we

FINGER SIZE 17MM. 2.46 GRAMS. Please carefully study all photographs to get an accurate idea of the object. In good condition, as seen. Shipping is in-house and we ship internationally to US and rest

An Art Nouveau 14 Karat Yellow Gold and Amethyst Ring, containing one round mixed cut amethyst measuring approximately 9.73 mm in diameter. Stamp: 14K (maker's mark). 2.50 dwts. Property from the Coll

An 18ct gold amethyst and brilliant-cut diamond dress ring.Amethyst weight 5.31cts. Total diamond weight 0.35ct, estimated H-I colour, VS-SI clarity. Hallmarks for Birmingham. Ring size O. 6.6gms.We o

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)

color: crystal, weight: 2.07 grams, gemstone: natural Australian opal 7mm x 7mm x 3.5mm approx. .97ct, size: 6, metal: 18k white gold, VIDEO: https://www.youtube.com/watch?v=Cax7ffraax8

A TOPAZ AND AMETHYST DRESS RING in 18ct yellow gold, the oval cut topaz set between fancy shaped step cut amethysts, French marks, size M / 6.25, 5.7g.

A PAIR OF TOURMALINE AND AMETHYST DRESS RINGS in 18ct yellow gold, each set with a row of five step cut amethysts and tourmalines, stamped 750, size O / 7, 9.1g.

14K Gold Opal Diamond Ladies Ring. Art Nouveau mount with oval triplet and 3 diamond accents. Marked 14K. Size 7. -- Dimensions: --- Weight: 2 DWT --- US Shipping charge: $10

Walton & Co. Art Nouveau Opal, 14k Yellow Gold Ring. Designed as a dragon encompassing an egg, centering one oval opal cabochon measuring approximately 14.9 x 10.2 x 5.3 mm, set in a 14k yellow gold m

AN ANTIQUE PERIDOT, DIAMOND AND AMETHYST SUFFRAGETTE DRESS RING, 1907 in 18ct yellow gold, set with a trio of round and oval cut amethyst and peridot, punctuated by round cut diamonds, representing th

Four gem-set dress rings. To Include a 9ct gold amethyst five-stone ring, a 9ct gold sapphire line dress ring, a 9ct gold opal and amethyst three-stone ring, a ruby dress ring. Three with hallmarks fo

Art Nouveau 14 Karat Yellow Gold Three (3) Stone Amethyst Garnet and Peridot Ring. Marked 14k. Ring Size 6. Good Condition. Weighs Approx. 5.7 Pennyweights. Shipping $20.00

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

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.

A PERIDOT, AMETHYST AND PEARL DRESS RING in 18ct yellow gold, set with a square step cut peridot in a cluster of round cut amethysts and pearls, partial British hallmarks, size N1/2 / 7, 3.0g.