Vintage 18k Gold and Australian Black Opal Necklace

DESCRIPTION: A Vintage beaded necklace crafted with oblon and spherical Black Australian opal, completed with a 18k yellow gold closure, stamped "18k". Total Weight: 202 carats CIRCA: Mid 20th Century

DESCRIPTION: An Antique beaded necklace comprised of Australian black opal, graduating in size, alternating with 18k yellow gold spacers and closure. Approx. 326 carats CIRCA: Early-Mid 20th Century O

Ladies opal pendant with necklace. Features an opal triplet measuring 25mm x 13mm in a bezel setting and hanging from an 18k gold chain, measures 20 in. long. Weighs 9.3 grams. Marked 14K on the penda

This is a vintage ladies ring made by the Fine Jewelers Guild (FJG). Rendered in fine 18K yellow gold, this biomorphic ring features a cluster of six Australian opal cabochons with striking red, green

18K Gold | Genuine Pearls | Vintage 18K Gold Black & White Pearl Necklace | Estate Gold Jewelry Unknown Origin | Weight:11.1 Grams, | Dimensions: Necklace: 18" length, .25" diameter beads |

Metal: 18k Yellow Gold Measurements: Chain Length: 15.75" Weight: 6.4g Stones: Black Opal - 5.5mm x 23mm Orange Spessartite Garnet - 9.5mm x 5mm x 3mm Estimated Weight 0.89ct Pendant Size: 8mm x 36mm

VINTAGE LADY'S 14K GOLD AND BLACK OPAL PENDANT NECKLACES, LOT OF TWO, comprising a shell-form example with five tapered inlaid sections with exhibits of blue and green fire, bail marked "TH 14K", fitt

This is a 1970's 18k yellow gold and black Australian opal ring with a total of 6.60Cts.  The ring is centrally set with an oval cabochon cut opal that measures 17.80mm x 13.00mm x 4.99mm.  The opal

This is a vintage 14K gold lavalier pendant necklace rendered in fine 14K gold. The naturalistic pendant features four opal cabochons with good red fire and two full cut diamond accents. The chain is

18K and 14K white gold Australian opal and diamond pendant necklace, pendant with one 16.65ct. oval-cut 25 x 21mm Australian opal accented with six round brilliant-cut diamonds approx: 0.12 ct tw., co

Vintage Etruscan Revival 18K yellow gold and Tahitian baroque black pearl graduated necklace with magnetic ball clasp, composed of fourteen baroque pearls, approx: 14 mm to 15 mm. 17.25" L x 0.62" W.

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

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.

Vintage 18K yellow gold cultured multi-South Sea, Tahitian black pearl and colored stone drop necklace, composed of four white south sea pearls, approx: 14mm to 11mm; five golden south sea pearls, app

Vintage Italian 18 Karat Yellow Gold and 8.0mm Black Onyx Bead Necklace. Stamped 750 and Italian hallmark. Measures 28" L. Approx. weight: 62.3 grams. Condition: Very good vintage condition. Estimate:

Vintage Chinese carved jade pendant with bat and plum floriform motif on 18K yellow gold bail strung on black cord necklace, marked: "18K." Pendant: 2.5" L x 1.43" W x 0.37" H on approx: 20.0" L cord

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

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 Chain Form Bracelet set with (1) black opal center stone and (2) Australian opals on each side, set in 18K yellow gold fill, made by Krementz Co., pattern #3308517. 7 1/2" long, 3/4" w

Lady's Vintage Chopard 18 Karat Yellow Gold Bracelet watch with Round Brilliant Cut Diamond Bezel and Black Opal Dial, Manual Movement. Opal with good play of multi color. Signed, stamped 750, hallmar

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

14kt GOLD TONE HEART NECKLACE 2 18K GOLD TONE HEART NECKLACE WITH A FLOWER INSIDE AND RED STONEIN THE MIDDLE. 1 SNAKE CHAIN NECKLACE WITH BLACK ONYX 1 MOTHER OF PEARL PENDANT WITH A WHITE BEADED

Vintage Large and Magnificent Oval Cabochon Opal, Round Brilliant Cut Diamond and 18 Karat Yellow Gold Necklace. Opal measures 1-1/8" L, 13/16" W. Diamonds F-G color, VS1-VS2 clarity. Stamped 750. Mea

With diamond halo, in an 18K white and yellow gold setting. In original leather box, Spaulding & Co. Chicago. Condition: fine hairline inclusion in opal. 2 1/2" long x 1/2" wide