Unusual Tumbled Opal and Tanzanite Necklace

.925 Sterling Silver Opal, Tanzanite Pendant Necklace. Marked .925 ; with original Stauer Box. Size: 18 in. x 5/8 in. x 3/8 in.

Unusual Opal and Diamond Necklace sterling silver, the necklace mounted with cabochon-cut opals weighing approximately 61.20 carats in total, and pear- and oval-shaped sliced diamonds weighing approxi

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

Estate 18kt yellow gold multi-strand tumbled golden opal and diamond necklace, numerous diamonds, approx 0.38cttw, average color: H-I, average clarity: SI1-SI2, hallmarked 14KT 750, approx 17.5"l, 130

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

Mexican Sterling Art Glass Opal Cabochon Necklace. Unusual Mexican Plata 925 sterling silver necklace with art glass opal cabochons in hand made settings. Circa 1950s. Marked in 3 areas also Bell Assa

Tanzanite, Opal, and Diamond Pendant Necklace and Earrings, ASHpendant surmount inlaid to the center with opal tablets and with full cut round diamond melee weighing approximately .06 total carat (H-I

Sterling silver inlaid opal set with tanzanite tennis bracelet 7.5", necklace with teardrop design with opal and tanzanite 16", and matching heart earrings.

Artisan one-of-a-kind wearable art statement necklace, Anothai Hansen (Thailand/ New York, 20th c.), fashioned with a large yellow tumbled opal, hung from a black leather mount, on thick five-strand l

Description: This lot includes a unusual necklace pendant made of sterling silver, with what appears to be 4 inset opals. The only marking we can find on the piece is a "70" at the top on the loop. Ag

An opal bead necklacedesigned a torsade of ten strands of tumbled white, yellow, green or blue opal beads, measuring approximately 2.30 - 3.20 mm, joined by an eighteen karat white gold clasp. 50.2 gs

The chain portion measures 16 inches in length with Lapis Nuggets that have been tumbled. The pendant is Reversible and measures 3.5 inches in length. On one side is a Cobblestone Inlay of Lapis, Spin

Unusual large moon shape pendant with centerd opal pendant, and multiple silver chain mark with Anthony Alexander. 18"L

An Opal Necklace. Opal beads graduate from 3mm - 10mm. Between each bead is a faceted rock crystal bead. Yellow gold clasp contains eleven old mine cut diamonds Length: 18" Wt: 19.9 grams

A LARGE 14K GOLD OPAL NECKLACE WITH DIAMONDS, 56.7 GRAMS. THE OPAL IS 1.34 INCHES LONG BY 1 INCH WIDE BY 1/3 INCH DEEP. wE ESTIMATE THE STONE ALONE WEIGHS 15-20 GRAMS. WE DID NOT REMOVE THE STONE FROM

This delightful piece features 42 oval white opals of various sizes, approx. 45 ct. tw., opals have blue, green and red flashfire, most are quite bright, the largest opal is 12 x 8 mm, 16 inches long,

1.50ctw VS1-VS2/G-H Diamond, 18K White Gold and 3mm-8mm Opal Bead 7-Strand Necklace - This beautiful necklace has a 7-strand design lined with a plethora of 3mm-8mm genuine solid opal beads. The neckl

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

An absolutely stunning women's vintage estate single strand opera length graduating necklace featuring genuine round white opals approx. 4mm - 13mm +/- accented with crystal beads and hand knotted in-

containing 47 oval cut tanzanites weighing approximately 28.40 carats total; and 47 full cut diamonds [K-L/I] weighing approximately 1.15 carats total 23.90 grams Note: with Gemological Lab & Appraisa

Unusual Opal and Diamond Ring 18k yellow gold, the ring mounted with an oval opal cabochon weighing approximately 5.80 carats, set in a gold mounting in the form of branches, accented with round brill

BEAUTIFUL 14K W/GOLD DIAMOND . EMERALD & OPAL DROP NECKLACE. THIS HAND MADE WORK OF ART HAS .90 CTS OF FULL CUT ROUND BRILLIANT DIAMONDS - TOP COLOR AND CLARITY. THE TOTAL EMERALD WEIGHT IS .72CTS. TH

16" Choker necklace, in 18kt yellow gold. Large oval black opal, with 2 smaller accent opals. Property of a Palm Beach lady . total weight 34.55 dwt

Barnaby 18k gold and opal necklace and earrings set, six strand opal bead necklace with 18k gold clasp, opals average between 2-4mm and are individually knotted, detachable pendant can also be worn as