DICKSON YEWN: BLACK DIAMOND AND DIAMOND RING; DIAMOND-SET RING, 1973; ABSTRACT RING, CIRCA 1970 (3)

DICKSON YEWN: BLACK DIAMOND AND DIAMOND RING; DIAMOND-SET RING, 1973; ABSTRACT RING, CIRCA 1970 1st: Designed as tiger stripes, set with treated black diamonds and single-cut diamond accents 2nd: The

DIAMOND, BLACK ONYX, 14K WHITE GOLD RING, 11.3 GRAMS SIZE 9 Round diamond .40cts centered on rectangular black onyx. Four borders set with diamond melee. Circa 1940.

1970's Platinum Black Opal & Diamond Ring. The ring is centrally set with a large oval cabochon cut black peacock opal. It exhibits a fine blue to green harlequin play of color. It weighs approx. 5.99

Antique Edwardian Oval Black Onyx Diamond Filigree Ring 10K Yellow Gold, 2.67 Gr This is a beautiful ring! Circa: 1901 - 1910, Edwardian Gemstones: 1 oval black onyx, 12.2 mm x 6.3 mm Diamond: 1 round

Custom sterling silver ring set with round cut 3.19ct black diamond. Ring size 6 1/2. Stamped 925. Approx. overall weight 4.7 grams.

ANTIQUE 10K YELLOW GOLD BLACK ONYX DIAMOND RING This is a beautiful antique Victorian 10K yellow gold onyx ring with a diamond tube set in the center. The ring top is 3/4" x 1/2". The ring is a size 7

Circa 1890 18K Yellow Gold Mounted Ring, with navette shaped black onyx stone and round faceted diamond, size 7 1/2, 3.2 dwt tw.

Stamped 14K white gold ring set with one 3.1ct round brilliant cut opaque black diamond as center stone in four claws setting and two 0.38ct round brilliant cut diamonds as side stones in claws settin

Vintage 18KT white gold ring with (3) round diamonds set in black onyx. Onyx measures 21 x 10 MM. Ornate filigree mounting. Size 6.5, weighs 5.3 grams.

Ladies 10kt white gold black and white diamond ring featuring prong set black and white diamonds weighing approx. 0.56ct, with a double halo and split shank design. Finger size 6.5. Weight 3.0 grams

10K yellow gold ring featuring oval synthetic ruby in the center with white and black diamonds set on outer edges of ring, sz 6, 3.8 grams

A DIAMOND RING, ANDREW GRIMA, CIRCA 1970 open wirework design set with a principal old cut diamond of 0.92 carats with further round cut diamonds, signed Grima, stamped 750, size S / 9, 18.8g.

A FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opal accented by round cut diamonds, no assay marks, size I / 4.5, 3.5g.

VICTORIAN BLACK ENAMEL PEARL AND ROSE CUT DIAMOND MOURNING RING, Set with three pearls and six small rose cur diamonds. Weight 3.6 gram.

THREE 14KT GOLD RINGS 1) Navette ring set with diamonds, the largest 3.0mm x 1.8mm. Size 8¾. 2) Diamond and cultured pearl buckle ring. Size 7¾. 3) Black glass with laurel wreath setting. Size 8.

Tiffany & Co platinum ring set with a 3.83ct round diamond (H color; Vs1 clarity). Ring size 7 1/2. Presented in a black suede box with interior purple lined silk for Tiffany & Co. Hallmarked TIFFANY

Set of two 18k gold band rings, decorated with black enamel and approx. 0.55ctw in diamonds total. Ring size - 6 (each), width 3.4mm. Minor chips on enamel are present. Weight - 5.6 grams.

This is a 1970's diamond and ruby ring.  The ring is centrally set with a faceted oval cut ruby that weighs 3.34cts.  The ruby exhibits a very fine deep red body color.  It is framed with 12 round

10 ct. Lightning Ridge opal and diamond dinner ring set in 14K white gold mounting. Oval black opal measuring 13 mm x 10 mm x approx. 3.7 mm and containing 12 round brilliant diamonds with a total wei

A David Yurman Cable Band Ring. Sterling silver ring with pave set round black diamonds totaling approximately 1.60 carats Size: 11 Wt: 10 3/4

DESCRIPTION: A 14k yellow gold ring decorated with pave set citrines and bordered by diamond accents, stamped along the inner band "SF" "14k". Total Weight: 4.8 Grams (3 dwt) CIRCA: 20th Cent. ORIGIN:

AN ART DECO DIAMOND RING CIRCA 1930 in high carat yellow gold and platinum, set with an old cut diamond of 1.09 carats, accented by further single cut diamonds, unmarked, size O / 7.25, 3.7g.

Ladies 14kt white gold black and white diamond rig featuring a prong set round brilliant cut black diamond weighing approx. 3.31ct. Accented with a decorative open design of prong set round brilliant

Circa 1930's platinum ring, center bezel set round cabochon cut sapphire, approx. 4.10 ct., SI in Clarity (Type III), B in Hue, 8-9 in Tone, and 3 in Saturation. 4 square French cut diamonds , approx