30ct AAA Boulder Opal, Gemstone, 18K Necklace

14k yellow gold freeform pendant containing one freeform boulder opal, one oval cabochon doublet, four gemstones of various cuts and colors and one round brilliant cut diamond weighing approximately 0

Boulder Opal, 18k White Gold Pendant Necklace. Featuring one asymmetric boulder opal measuring approximately 26 x 12 mm, set in an 18k white gold pendant enhancer mounting, suspended from a 17 inch, 1

Boulder Opal, 18k Yellow Gold Jewelry Suite. Including one boulder opal measuring approximately 54 x 33 mm, 18k yellow gold brutalist style 24 inch necklace; one pair of boulder opal, 18k yellow gold

Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

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

weight: 8.2 gram, gemstone: Ethiopian opal 40.46ctw, size: 16 inches, metal: necklace 18k white gold

METAL: 18k Gold. GEMSTONES: Opal approx. 2.04ct. MEASUREMENTS: Necklace is 18.5" long. Pendant is 29mm long x 25mm wide. MARKED: 750 AK. WEIGHT: 16.2 grams. Gemstones have not been graded for col

METAL: 18K white gold GEMSTONE(S): opal approx. 9.45 carats; round brilliant-cut diamonds approx. 0.80 carats total, most I-J/SI-I1; onyx MEASUREMENTS: necklace length 18-5/8 inches, pendant 2 x 7/8 i

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

METAL: 18k gold. GEMSTONES: multi color sones, pearls, opal on one of the earrings cracked. MEASUREMENTS: necklace is 32" long . Pendant is 32mm long ( including bale) x 15mm at widest point. Ear

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.15ctw. Opal. MEASUREMENTS: Necklace is 18" long, pendant - 50mm long x 28mm. MARKED: Illegible designers marks, Joiers, B-193 750. WEIGHT: 28.9 gram

18k and 14k Yellow Gold and Semi-Precious Gemstone Jewelry Assortment (5) items including a rainbow gemstone necklace, an opal statement ring, a square amethyst ring, a round sapphire ring and a flora

gemstones including: freshwater pearls, Preuvian opal, citrine, peridot, clasps stamped "18k", yellow gold, both 15-3/4 in. lg., 22.2 gramsÿ - Provenance: Private Collection, Atlanta, Georgia

These cosmic boulder opal cufflinks are crafted in 18-karat yellow gold, weighing 26.4 grams and measuring 22mm x 15mm. Showcasing a pair of rectangle prong-set boulder opals, weighing approximately,

A boulder opal necklace. Comprising thirty-one irregular-shape boulder opal beads, measuring 0.9 to 1.5cms, with a spherical openwork push-piece clasp. Length 45cms. Overall condition fair to good. So

Here is a very nice men\'s natural boulder opal ring set in 18K yellow gold. This one has been around for awhile, probably since the 40\'s.Stunning oval shape boulder opal displays a beautiful green p

14k gold necklace with 13k gold clasp (not original), featuring opal and other semi precious gemstones. necklace is 16.75" long. arked 13k on the non original clasp. Weight - 6.8 grams.

Ca. mid to last quarter 20thC. Excellent with no cracks or chips on any of the twelve approx. 6mm x 4mm opals on the necklace; the twelve 5mm x 3mm opals on the earrings are also in excellent conditio

Pair of Boulder Opal, 18k Yellow Gold Cufflinks. Each featuring two oval shaped boulder opal cabochons measuring approximately 12 to 13 mm in length and 8.5 to 10.5 mm in width, set in an 18k yellow g

Turquoise Beaded Necklace Gemstone 18K Necklace Pictured is a handmade necklace made by jewelry designer Christina Dickson. Dickson used only the finest quality materials such as turquoise, peridot, c

17ct Australian Boulder Opal gemstone. ( 20x15x6mm ) Koroit opal fields, Queensland Australia origin stone. All natural, solid, untreated opal gemstone with a fantastic pattern. Very well polished on

Estate Sterling Silver & Boulder Opal Necklace, measures 18''L end to end

Collectible large nature form boulder opal gemstone slab, GLA (Geometrical Laboratory of America) certificate. 2.9inch L, 1.1inch W.

Genuine Premium Hand made by Artisan - Real Australian Opal Gemstone Necklace - WOW Weight : 560 carats | Beads Dimensions : 9-12 mm | Treatment : None | Length : 20 Inches | Cut : Fancy | Clasp : Lob