Cabochon-cut spinel and diamond ring. Signed Enrico

and Diamond Ring. Signed Angela Cummings 18kt yellow gold ring with central oval cut cabochon flanked by graduated bands of round full cut diamonds. Cabochon measures approx. 10.5mm x 7.5mm. Stamped t

Amazing designer signed women's estate ring crafted of 14k white gold featuring a center oval cabochon cut genuine white opal (not a doublet or triplet) approx. 11mm x 9mm x 3mm surround by 12 round c

Very pretty and interesting ring is artist signed, unidentified but appears to be CI. Faceted oval quartz with set flower center of diamonds and a blue spinel. Oval is framed by eight round cut diamon

and Diamond Ring. Signed Angela Cummings 18kt yellow gold ring with central oval cut colored gem cabochon flanked by a graduated bands of round full cut diamonds. Cabochon measures approx. 10.0mm x 7.

Vintage Half Moon Cut Citrine, Cabochon Pink Tourmaline, Diamond and 14 Karat Yellow Gold Ring. Signed, inscribed 14K. Ring size 7. Approx. weight: 6.8 grams. Condition: Chip to tourmaline otherwise g

Ring. Signed 14kt yellow gold ring with central circular cat's eye chrysoberyl cabochon flanked by (2) round brilliant cut diamond accents. Central cat's eye measures approx. 7.0mm; diamonds measure a

Bulgari Star ruby, diamond, and platinum ring Set with an oval cabochon star ruby weighing approx. 3.23 cts, flanked by baguette-cut diamonds ; 1930s Platinum Signed Bulgari Ring size 6; Gross weigh

Vintage Christian Dior Large Cabochon Amethyst, .21 Carat Round Brilliant Cut Diamond and Platinum Ring. Amethyst measures 21mm x 17.5mm. Signed, stamped Pt900. Ring size 4-3/4. Approx. weight: 19.2 g

Includes a 14kt yellow gold ring comprised of a (3) oval cut coral cabochons and a single diamond accent, ring size - 7 1/2; a signed A&E 14kt yellow gold cocktail ring with central oval cut onyx

and Diamond Ring. Signed Continental, Austro-Hungarian, 14kt yellow gold band displaying a central circular cat's eye chrysoberyl flanked by (2) Old European cut diamonds. Stamped with an unidentified

Helen Woodhull Sapphire, diamond, and gold ring Set with a cabochon sapphire, flanked by round brilliant-cut diamonds, in a ribbed gold setting; c. 1977 Yellow gold Signed H. Woodhull Ring size 5.75

14KT YELLOW GOLD, RED SPINEL AND DIAMOND RING Central approx. 5.0mm round cabochon red spinel set in a milgrain bezel surrounded by ten small old mine-cut diamonds, approx. 0.25 ctw. Stamped. Setting

CARTIER: GEM-SET RING, CIRCA 1990 Set with a blue chalcedony cabochon within a brilliant-cut diamond surround, and carved chrysoprase shoulders, the mount of reeded design, chalcedony chipped, signed

Impressive 18.75 carat Emerald and diamond ring.Exceptional Heart shaped 18K cabochon emerald surrounded by brilliant-cut diamonds, French import hallmark for 18K gold 750 partially signed Moroni, Ita

A VINTAGE JADEITE JADE AND DIAMOND DRESSS RING, BOUCHERON set with a jadeite cabochon, baguette and round modern brilliant cut diamonds, signed Boucheron, size O / 7, 17.1g. The gemological properties

CHAUMET, A PERIDOT AND DIAMOND RING in 18ct yellow gold, set with a cabochon peridot, accented by round brilliant cut diamonds, signed Chaumet Paris and numbered, French assay mark for 18ct gold, size

CARTIER, A STAR RUBY AND DIAMOND RING in platinum, set with a cabochon star ruby of approximately 76.03 carats in a border of round brilliant cut diamonds, signed Cartier and numbered, stamped Pt, siz

Seaman Schepps Gold, Cabochon Ruby and Diamond Ring 14 kt., one oval cabochon ruby ap. 5.25 cts., 11 old-mine cut diamonds ap. 2.20 cts., signed Seaman Schepps, ap. 5.3 dwts. Size 5 3/4. C

Lacloche Gold, Turquoise and Diamond Ring, France 18 kt., one oval cabochon turquoise ap. 17.0 x 12.4 x 7.6 mm., 6 transitional-cut diamonds ap. .30 ct., signed Lacloche, with maker's mark and French

Square cabochon citrine weighing approximately 14.51 ct (13.58 x 13.58 x ~11 mm), flanked by two round brilliant cut diamonds, set in 18k yellow gold. Signed Athena, GB 18KT. Size 8. Gross weight of 1

Signed Cartier Diamond & Persian turquoise dome ring set in 18kt yellow gold highlighting a .50ct brilliant cut bezel set diamond (H-VS1) in center surrounded by cabochon round turquoise and bezel set

Signed Winc 18k gold citrine diamond and sapphire ring, oval cabochon citrine in center with fancy cut citrines, channel set diamonds and sapphires, 5/8" wide at center, size 5, stamped 18k Winc, weig

Sterling silver; Stamped: 925 / John Hardy logo Set with fifty-four round full-cut black diamonds totaling approximately 0.70ct. in weight and two cabochon sapphires eyes (0.75" W x 1.5"H) signed by

Designed as pendant and as brooch, with gripoix glass and clear rhinestone diamond cuts. Oval Shaped with a central gripoix cabochon glass, encircled with two rings of burgundy, green, and light blue,