18KT Diamond and Onyx Brooch, Keil

Sapphire, and Onyx Brooch. Beautiful Art Deco 18kt white gold brooch in the form of a flower basket set with (6) button form polished sapphires surrounded by white diamonds, and (2) single bezel set y

Brooch, 18kt white gold (stamped 750) with diamonds, onyx and coral (marked Giovane)

Brooch, 18kt white gold (stamped 750) with diamonds, coral and onyx (marked Giovane)

Antique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentional

Brooch Grouping. Includes a signed CB 18kt yellow gold brooch depicting a pair of twin cats with rose quartz cabochon bodies, black onyx heads and colored gem eyes - stamped verso, "750 CB";

David Yurman 18Kt Yellow Gold Diamond & Onyx Quatrefoil Necklace. Measurements - 15 1/4" long. Weight - 13.8 dwt. (21.5 grams). #PJ28670 Please review all photos closely. Contact us for more deta

set with 18 round brilliant cut diamonds approx. 1.35 carats (in our opinion: E color, VS1 clarity, however not guaranteed), and a rhombus cut onyx stone (minor edge chip to backside of stone), in car

Jewelry. 18kt Diamond brooch. 10 individual diamonds each approx .10ct, 3mm, 12 dwt

18.8 grams

METAL: 18k Gold. GEMSTONES: Rose cut diamonds. Onyx (stone has small scratches). MEASUREMENTS: Brooch is 38mm x 37mm. TESTED: 18k. WEIGHT: 9.1 grams.Gemstones have not been graded for color and clarit

Necklace. Exquisite 18kt bi-color gold necklace comprised of alternating yellow gold mounted carved hexagonal onyx pendants alternating with white gold mounted carved rock crystal pendants with diamon

ART DECO, DIAMOND AND ONYX BROOCH Containing one old European cut diamond weighing approximately 1.80 carats, numerous single cut diamonds weighing approximately 7.75 carats total and one oval shaped

A BEAUTIFUL ART DECO, ENAMEL, DIAMOND AND ONYX BROOCH LOCKET. L: 60 mm, locket measurements: 30.37 x 30.91mm, weight: 28.7 gram.

18Kt gold and diamond spray brooch, comprising 68 round diamonds weighing approximately 4.1 carats, G-H color, VS-SI clarity. Brooch measures 56.63 x 42 mm and weighs a total of 13 dwt.

A FINE ART DECO CORAL, DIAMOND AND ONYX BROOCH in 14ct yellow gold, set with a sugarloaf cabochon coral against a pierced geometric ground, accented by old and single cut diamonds and polished onyx ba

METAL: Platinum. MEASUREMENTS: Pendant is 38mm x 21mm. GEMSTONES: Onyx, Diamonds approx. 2.20ctw. TESTED: Plat. WEIGHT: 10.3 grams.Gemstones have not been graded for color and clarity ,and tested for

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.42ctw. Jade. Onyx. Ruby. MEASUREMENTS: Brooch is 56mm x 9.3mm at widest point. Brooch has a hook. Jade pendant is removable, can wear as a pendant. MARKE

Boucheron Paris signed and numbered (#15395) brooch, with French Hallmarks. Measures 2" in diameter and total weight is 24.2 grams. Condition: good, no apparent issues. Examine all photos closely. Con

Estate Art Moderne style 18kt yellow and white gold pendant brooch, set with old cut rubies, approx 1.76cttw, single cut diamonds, approx 0.86cttw, average color: H-I, average clarity: SI-I, approx 2.

18kt Gold Diamond & Onyx Textured Horse/Pony Ring 8.4g size 9

Vintage 18kt gold diamond & onyx fashion ring. The ring features a total of fifty-five (55), pave set, round brilliant cut diamonds (one missing) and a carved onyx set in the center. The ring has an i

maple leaf design, 10 single cut diamonds, stamped "18K" and with maker's mark, yellow gold, 2 x 1-1/2 in., 13.4 gramsProvenance: Private Collection, Virginia

Art Deco dreicer & Co platinum bow brooch set with approx. 0.66ctw in rose cut diamonds and onyx. Some onyx stones are chipped. Brooch is 53mm x 12mm. Marked: Dreicer & Co, tested Platinum. Weight - 7

A 9ct gold diamond and onyx brooch. The tapered crescent and geometric bars, with onyx panel and brilliant-cut diamond collet opposing terminals. Hallmarks for London, 1999. Length 7.7cms. Weight 7gms