A boulder opal single-stone pendant.

18k yellow gold heart shaped pendant with boulder opal and ruby stones. Dimensions: 1 1/4" X 1" Total weight: 10.5 grams Marius S. Winograd (American/Poland) Original Artisan hand designed piece.

Beautiful drop pendant in 14k yellow gold set with 6 round brilliant cut natural white diamonds, boulder opal and a single teardrop shaped Tanzanite gemstone. Weight = 3g. Size = 3/4"

" PA10-087   Grading Results:____________Stone Type: Natural Boulder OpalShape: Free ShapeCarat: 4.71 ctColor: Brown Jewelry Material: Platinum 900&850Total Carat Weight: 4.71 ct

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

DESCRIPTION: Two Paulette Semi precious stone necklaces decorated with carved Aquamarine, Crystal, Amethyst and fitted with carved Opal boulder pendants. Each necklaced attached with a 14k yellow gold

(Lot of 4) Multi-stone and sterling silver jewelry comprised of one boulder opal and sterling silver pendant-enhancer, marked 925; one silver cuff bracelet with coral and turquoise inlay; one turquois

DIAMOND SINGLE-STONE PENDANT The old brilliant-cut diamond, weighing 2.78 carats, in a six-claw setting, length 1.5cm

A diamond single-stone pendant. The brilliant-cut diamond, weighing 2.23cts, suspended from a tapered surmount loop and 18ct gold flat trace-link chain. Accompanied by a report number 5775333, dated 1

BLACK OPAL SINGLE STONE RING,High carat gold.Black opal of approx. 4.30 ct.Vibrant colours including red.Size N.3.9 grams.

Pendant measures 2inches long w/o bale, set with 10 diamonds on a 14k gold chain measuring 18 inches. 15.9dwt.

An 18ct gold diamond single-stone pendant. The brilliant-cut diamond, suspended from a fine curb-link chain. Estimated diamond weight 1ct, J-K colour, P2-P3 clarity. Hallmarks for London. Length of pe

the gold mounted pendant set with an oval opal approx. 34x18mm, overall length 2", stamped '18K DSG', on a 15.5" bar link chain stamped 750, (pendant 9.4gms., chain 4gms.), gross weight 13.4gms., Open

14K yellow gold ring set with a boulder opal, the outer edge in layers of brown and the center with blues, greens and some reds, approx. 11 x 28mm, ring size 7. The pendant with a pear shaped opal wit

A diamond single-stone pendant claw-set with a single old round-cut diamond, to a trace link chain, unmarked(Estimated diamond weight: 0.40cts)

A diamond single-stone pendant. The brilliant-cut diamond collet, suspended from an 18ct gold spiga-link chain. Estimated diamond weight 0.40ct, H-I colour, SI clarity. Chain with hallmarks for Birmin

14K gold cocktail ring featuring a large boulder opal measuring 26mm x 19.7mm x 13mm. Ring size is 8. Ring sits approx. 13mm from finger. Marked 14K. Weight is 21.4 grams. Opal has internal and extern

NO RESERVE, OPAL SINGLE STONE RING, Set with a cabochon cut opal of approx. 11.9 x 8.4 x 3.4 mm. Size J. 2.1 grams.

An opal single-stone ring. The oval opal doublet collet, with polished surround, to the trifurcated shoulders. Ring size T. Weight 4gms.

A diamond single-stone pendant. The brilliant-cut diamond collet, suspended from an openwork surmount. Estimated total diamond weight 0.30ct, Tinted colour, VS clarity. Length 1.2cms. Weight 0.9gms. O

An opal single-stone ring, AF. The rectangular opal cabochon, with openwork foliate sides. Ring size H. Weight 2.6gms. Overall condition good. Minor surface scratches/wear in keeping with general age

A laser drilled diamond single-stone pendant. The laser drilled brilliant-cut diamond, suspended from an integral trace-link chain. Estimated laser drilled diamond weight 0.20ct, J-K colour. Length 40

An 18ct gold diamond single-stone pendant. The square-shape diamond with tapered surmount. Diamond weight 0.25ct, stamped to mount, estimated H-I colour, SI clarity. Length 1.2cms. Weight 0.8gm

An 18ct gold diamond single-stone pendant. The square-shape diamond, with tapered surmount, suspended from a box-link chain. Estimated diamond weight 0.15ct, I-J colour, SI clarity. Hallmarks for Shef

A diamond single-stone pendant. The brilliant-cut diamond, to the scrolling surmount. Estimated diamond weight 0.30ct, K-L colour, SI clarity. Length 0.7cms. Weight 0.6gms. Overall condition fair. Sur