Three Boulder Opals.

TRE OPALI BOULDER AUSTRALIANI di forme diverse nei toni dell'azzurro. Gr 34,00 - THREE AUSTRALIAN BOULDER OPALS of different shapes and shades of blue.

A Pair of Opal and 14 Karat Yellow Gold Earclips. Earclips contain two white opals which total approximately 14.67 carats. Two black opals total approximately .94 carat. Three boulder brown opals tota

This lot features three natural Koroit Boulder Opals, summing up to 99 carats, with the largest specimen measuring 28 x 18 x 12 mm. Harvested from the renowned mines of Queensland, Australia, each rou

BOULDER OPAL AND DIAMOND RING Containing one freeform boulder opal measuring approximately 24.00 x 11.40 mm and three round brilliant cut diamonds. Mounted in yellow gold. Ring size 6 3/4. Stamp: 750.

A Yellow Gold, Boulder Opal and Diamond Pendant with Chain, containing one oval cabochon cut boulder opal measuring approximately 16.43 x 10.73 x 4.48 mm and three round brilliant cut diamonds weighin

Dimension: 23 Inches Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian

Dimension: 23 lnches Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian

Dimension: US Size 6.5/6/6.5 Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Au

Three-piece 14K Gold pearl jewelry lot. Necklace: with bezel set Boulder Opal measuring 12mm x 10mm, necklace measures 19in Long and the pearls measure 3mm each. Earrings are clip, measure 1in diamete

They weigh 17.3 grams and measure 17 mm x 16 mm. Showcasing a pair of cabochon cushion square cut, blue opals, weighing approximately, 20.00 carats.

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,

This set of (2) earrings contain 2 boulder opals, 2 (1/16 carat) diamonds, and an additional 40 very tiny diamonds total. The weight is 12 grams and dimensions are 20mm X 30mm. Winner shall receive th

250+ carats, largest 1.4x1in.

This is a 14 karat yellow gold pair of natural boulder opal earrings. The opals are approximately 10 mm x 14 mm x 2.5 mm and are set in a bezel setting. They have tension backs. They weigh 3.5 grams (

Five various sizes of loose black and boulder opals in different shapes The Estate of Edyth Schoenrich, Baltimore, MD.

(Lot of 2) Unmounted boulder opalsfeaturing one half round boulder opal displaying a thin layer of blue green play-of-color flashes and matrix, measuring approximately 30.00 x 13.80 x 6.00 mm and weig

Probably 1970-80’s. Opals are natural and solid. Measures 7”L. Excellent condition.

Three Opal and 14 Karat Yellow Gold Rings. Comprising an oval prong set opal ring, a mosaic opal ring, and a cocktail ring containing four prong set marquise opals Sizes: 7, 8, 9 Wt: 10.8 grams

Gold ring set with three opals in raised setting and a pair of opal and diamond earrings, 9 ct

14K yellow gold with three opals

Dimensions: 23x18x14 mm; Weight: 33.70 Cts. Photos in wet condition. Boulder opal is a unique gem that contains pieces of the hostrock it grew from, along with precious opal. Some opals are attached t

Dimension: 4.5x3 cm Weight: 65 grams Estimate:$250-$450 In recent auctions, Australian Boulder Opals, especially in their rough form, have captured the fascination of many collectors. An analogous spe

Dimension: 4.5x3 cm Weight: 67 grams Estimate:$250-$450 In recent auctions, Australian Boulder Opals, especially in their rough form, have captured the fascination of many collectors. An analogous spe

Dimension: 15-20 mm Weight: 80 ct Estimate:$250-$450 In recent auctions, Australian Boulder Opals, especially in their rough form, have captured the fascination of many collectors. An analogous specim