Black Opal, Diamond, Gold Necklace The necklace

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

The pear-shaped opal, 15.40 x 10.54 mm, within a nest of RBC diamond, approx. .33 ct. TW. and bright gold wire, on braided chain. 14k. 1 1/2" x 3/4", 18". 4.4 dwt.

Stunning Art Nouveau Black Opal Diamond and Demantoid Garnet Necklace 14K Gold. Articulated pendent supporting two fancy-cut black opals, accented by old mine-cut diamonds and demantoid garnets. &bull

13mm Black Opal & Solid 18K White Gold 18" Necklace W/Diamond Accents - This lovely necklace was finely crafted of solid 18k white gold and is comprised of a 0.75" pendant which hangs on an 18" chain.

This is such a pretty and interesting necklace pendant that is artist marked with the letter S and 14K. Inlay of black opal and pave' set diamonds. Comes in a gold tone box from Canada, dated 1983. Bo

DESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box ch

14K YELLOW GOLD TANZANITE & OPAL NECKLACE 14K yellow gold pendant with 5.5mm trillion cut tanzanite, inlaid black opal, and accented with .001ct round diamonds. Suspended on a snake chain. Weight: 7.8

NO RESERVE - A BLACK OPAL AND DIAMOND PENDANT NECKLACE, CIRCA 1910, Made in 15 carat yellow gold, platinum and 18 carat yellow gold, the chain later added, Oval cabochon black opal, weighing approxima

Beautiful Silver/Gold Vermeil, Opal and Diamond Necklace, composed of thirty-three oval links, each mounted with an oval cabochon-cut black opal, with an approximate total weight of 18.25 carats, and

Crafted of 14k gold. Center pendant set with a 10mm trillion cut deep purple blue Tanzanite gemstone of approximately 4.8 carats. Surmounted and flanked by Gilson black opal gemstones. Accented by rou

2.30ct Black Opal, 0.30ctw VS1-VS2/G-H Diamond & Solid Platinum Pendant on Adjustable 18K White Gold Chain - This beautiful necklace is comprised of a 1" solid platinum pendant which hangs on an 18" s

Black Opal Center in an interesting geomatric cut with vibrant neon greens and blues. 0.12 carats of diamonds on the sides on 14K yellow gold setting. Simple gold chain included.

GIA certified 5.51 G boulder opal pendant hung on an 18K yellow gold black diamond beaded necklace. Center stone set in a white + yellow metal pendant w/numerous near colorless round brilliants. Measu

Crafted in platinum and 18K gold; set with a trapezoid cabochon-cut black opal, measuring approximately 12.40 x 9.30 x 4.65 mm; lozenge-shaped sapphire, weighing approximately 2.60 carats; accented by

Black Diamond, White Gold Necklace The necklace features faceted black diamond beads weigh

18K yellow gold black diamond necklace. Necklace is 32" long. Each bead is approx. 4,5 x 3.8mm. Tested: 18k. Weight - 17.4 grams.

Ladies 14Kt Rose Gold Black Diamond Tennis Necklace. Necklace has 151 Black Diamonds side to side. Necklace length: 16.00" Total weight: 12.64 Grams. Necklace adjustable.

Ladies 10Kt Yellow Gold Opal & Diamond Pendant / Necklace. Necklace has one Pendant with Oval Opal & one round Diamond. Necklace length: 18.00"

17 marquise opals with blue, green and orange fire play, totaling 5.75 carats with 17 round diamonds totaling .25 carat, 10K and 14K yellow gold, with appraisal of $2,050.00, 17" long.

Diamond, Gold Necklace, Black, Starr & Frost The necklace features full-cut diamonds weighing a total of approximately 15.00 carats set in 18k gold marked BS&F for Black, Starr and Frost Gross weight

A LATE 19TH / EARLY 20TH CENTURY BLACK OPAL AND DIAMOND NECKLACE graduated oval black opals suspended from diamond-set knife-edge bars to black opal and diamond swag links, to a diamond-set double bar

fiery oval cabochon weighing 2 carats with 7 round diamonds above totaling .25 carat, high grade, 14K yellow gold, with appraisal of $2,050.00, 16" long.

Featured in this lot is this opal sapphire and diamond 14k yellow gold necklace with GGA paperwork. The necklace features a polished, tested, and stamped 14k yellow gold construction and is marked 'Os