14YG .75ct Boulder Opal dia freeform ring

14.40ct Boulder Opal Diamond Freeform Ring, set in 18k Gold with 2/0.064 1 VS2 Diamonds. 17.7g, approximately 1.3125 x 1 x 0.5625 in.

A 14 Karat Yellow Gold, Boulder Opal and Diamond Ring, containing one freeform boulder opal measuring approximately 36.00 x 25.80 mm and 126 round brilliant cut diamonds weighing approximately 1.25 ca

BOULDER OPAL AND DIAMOND RING Containing one freeform boulder opal measuring approximately 24.00 x 11.40 mm and three round brilliant cut diamonds. Mounted in yellow gold. Ring size 6 3/4. Stamp: 750.

Opal and Diamond Ring.  This 18 karat yellow gold ring features a 13.93 carat, polished freeform beautiful genuine boulder opal that is bezel-set in a frame of .75 carats round, brilliant-cut, G-

An Opal & Diamond Ring. 18 karat yellow gold freeform mounting contains one bezel set boulder brown opal which weighs approximately 9.60 carats. Surrounding the opal are six prong set round brilliant

AN 18 CARAT GOLD BOULDER OPAL RING, a round opal in a bezel setting to a tapering shank. Hallmarked Birmingham 1899, ring size O, 5.6 grams

Jewelry: Ladies Estate Vintage 14k Gold Boulder Opal Ring Metal: 14K yellow gold Gram Weight: 8.4 Ring Size: 7 Dimensions: 18mm x 14mm profile Please note that this lot has a confidential reserve. Whe

Boulder opal ring GG 750/000 Naturalistic single piece with a boulder opal 25 x 9,5 mm, RG 52, W marked, 13,6 g

14kt Yellow Gold and boulder Opal ring in filigree setting.

A BOULDER OPAL RING. 14 karat yellow gold mounting contains one prong set oval boulder opal cabochon. Size: 8 1/2 Wt: 17.6 grams

14K yellow gold ribbon freeform ring with carved leaf opal with good play of color, sz 10.5, 10.7 grams

METAL: 14k Gold. MEASUREMENTS: Ring size 5.25, top is 24mm x 14mm. GEMSTONES: Boulder opal. TESTED: 14k. WEIGHT: 3.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity

14k 3 grams Size 6.5

LOT (2) DECO 14KT YELLOW GOLD, OPAL/DIAMOND AND GARNET/PEARL RINGS, C. 1940/50 TOTAL WEIGHT 4.3 DWT

Here is a very nice men\'s natural boulder opal ring set in 18K yellow gold. This one has been around for awhile, probably since the 40\'s.Stunning oval shape boulder opal displays a beautiful green p

Platinum 4.5Ct Boulder Opal & Diamond Ring, Size 4 3/4, TW:8.2 Grams.

Vintage Blue Doublet Boulder Opal Cocktail Ring 9K Yellow Gold, 4.48 Grams This is a gorgeous statement ring! Let us know if you have any questions. Gemstones: 1 blue doublet boulder opal, 15 mm x 11

14K yellow gold ring set with a boulder opal, the outer edge in layers of brown and the center with blues, greens and some reds, approx. 11 x 28mm, ring size 7. The pendant with a pear shaped opal wit

A yellow metal and boulder opal dress ring; the oblique shaped rectangular plaque within a textured mount and set above a textured fold-formed shank. Italian hallmarked '750' and signed J.L. Ring head

Features one boulder brown opal that is cut in an oval shape and is bezel set, measuring 28.00 mm long x 14.00 mm wide and 7.10 mm thick with an approximate weight of 13.46cts.

14K white gold ring, brightly polished, featuring centered prong set boulder opal cabochon, weighing approx. 2.65 carats, further adorned with 6 prong set round brilliant cut diamonds weighing a total

Signed K.A. sterling silver black boulder opal and turquoise ring, marked: "K.A. .925". Ring measures: 1.06"L x 2.0"W. Size: 7 1/2. Approx: 0.34 ozt. inclusive.

Rare 1970's Yellow Gold and Black Opal Free Form Ring. The ring is centrally set with a large black opal triplet that measures 24mm x 15mm in width. It has an exhibition and vibrant harlequin play-of-

METAL: 14K gold. GEMSTONES: diamonds-approx. 0.30ctw, opal -21.5mm x16mm ( stone has a fracture and a chip). MEASUREMENTS: ring size 8.25. Ring top is 34nn x 24mm at widest point. MARKED: 14K. WEIGHT: