Showing 1–96 of 304 results

Full Faced Gem Rainbow Duck Creek Boulder Opal 55.3 Ct

$25,000 USD

Absolute Gem Full Faced Duck Creek Boulder Opal 48 ct

$21,600 USD

Beautiful A+ Grade Freeform Full Faced Australian Boulder Opal 54.20 Ct

$13,550 USD

Grogeous A+ Grade Full Faced Australian Boulder Opal 59.90 Ct

$11,980 USD

Lovely Gem Grade Full Faced Australian Boulder Opal 60.90 Ct

$9,150 USD

Large Double Sided Wood Fossil Boulder Opal Specimen 214.9 Ct

$3,500 USD

Amazing Brilliant Electric Flash Large Boulder Opal

$2,500 USD

Large Wood Fossil Boulder Opal Specimen 141.20 Ct

$1,750 USD

Massive Stunning Ocean Boulder Opal Specimen 286.30 Ct

$1,200 USD

Rare Wood Fossil Boulder Opal 123.7 Ct

$1,200 USD

Rare Wood Fossil Boulder Opal 120.55 Ct

$1,200 USD

Stunning Boulder Opal Ringstone 6.85 ct

$1,200 USD

Stunning Winton Boulder Opal set in 18k White Gold Pendant Necklace

$980 USD

Green Pendant Size Boulder Opal 54.55 Carats

$900 USD

Amazing Large Boulder Opal Specimen 145 Ct

$1,200 $900 USD

Large Gorgeous Half Moon Yowah Boulder Opal 56 ct

$850 USD

Wood Fossil Boulder Opal 113.85 Ct

$825 USD

Beautiful Bright Blue Polished Yowah Nut 52.7 Ct

$800 USD

Rare Wood Fossil Boulder Opal 58.05 Ct

$725 USD

Large Square Shape Electric Rainbow Flash Wood Fossil Boulder Opal 63.5 ct

$685 USD

Large Koroit Pendant Size Stripe Pattern Boulder Opal Stone 87 ct

$650 USD

Purple Australian Boulder Opal 25.5 ct

$650 USD

Deep Blue Ocean Winton Boulder Opal

$568 USD

Pretty Purple Dark Ironstone Winton Boulder Opal

$560 USD

Dragons Skin Super Unique Boulder Opal 99 ct

$550 USD

Unique Long Teardrop Shape Koroit Boulder Matrix Opal Pendant Stone 71 ct

$525 USD

Stripey Flash Winton Boulder Opal

$525 USD

Supernatural Purple 3D Effect Winton Boulder Opal

$525 USD

Purple Green Blue Boulder Opal 10.7 Ct

$525 USD

Gorgeous Stripe Boulder Opal 45.2 Ct

$520 USD

Ocean Blue Green Australian Boulder Opal 5.35 ct

$500 USD

Beautiful Green Blue Veins Yowah Boulder Opal 50 ct

$500 USD

Lilac Square Shape Australian Boulder Opal 61.5 Ct

$500 USD

Unique Matrix Veined Koroit Boulder Opal 156 ct

$500 USD

Large Surf Board Ocean Boulder Opal 29 ct

$500 USD

Beautiful Turquoise Green Shimmer Boulder Opal 14 ct

$750 $490 USD

Awesome Large Blue Purple Boulder Opal 37 ct

$450 USD

Gorgeous Flashy Ocean Boulder Opal Pendant

$435 USD

Sparkling Blue Purple Australian Boulder Opal 9 ct

$425 USD

Awesome Green Flash Winton Boulder Opal

$425 USD

Electric Purple Large Boulder Opal

$425 USD

Large Unique Boulder Opal Specimen 152.2 Ct

$420 USD

Rainbow Sparkling Large Semi Teardrop Shape Australian Boulder Opal 131 ct

$400 USD

Rectangle Shape Blue Purple Australian Boulder Opal 43.3 ct

$400 USD

Stunning Purple Winton Boulder Opal Pendant

$400 USD

Large Electric Veins Boulder Opal 85.85 Ct

$400 USD

Gorgeous Lavender Purple Winton Boulder Opal

$395 USD

Magical Deep Blue Purple Boulder Opal 33.5 ct

$390 USD

Gem Neon Bright Stunning Boulder Opal 4 Ct

$390 USD

Stunning Australian Boulder Opal Specimen 115.1 Ct

$385 USD

Green Flash Blue Australian Boulder Opal loose stone 14.8 ct

$380 USD

Gorgeous Blue Green Australian Boulder Opal 17.3 ct

$380 USD

Large Amazing Australian Boulder Opal Specimen 119.8 Ct

$380 USD

6 pcs Sparkling Rainbow Rectangle Shape Flashy Wood Fossil Australian Boulder Opal Parcel 25.2 ct

$375 USD

Deep Purple Triangle Shape Winton Boulder Opal 37.95 ct

$370 USD

Blue Green Boulder Opal 40 ct

$365 USD

Stunning Teardrop Shape Ladies Boulder Opal Pendant

$365 USD

Rainbow Flash Australian Boulder Opal 14.5 ct

$360 USD

Green Large Pyramid Shape Boulder Opal 94 ct

$350 USD

Large Shield Shape Australian Boulder Opal loose stone 127 ct

$350 USD

Large Free Form Yowah Boulder Opal Specimen 120.5 ct

$350 USD

Diamond shape Australian Boulder Opal 25.7 ct

$350 USD

Gorgeous Blue Green Deep Ocean Australian Boulder Opal 11.7 ct

$350 USD

Sparkling Rainbow Wood Fossil Boulder Opal 28.6 ct

$350 USD

Large Green Blue Flash Insane Veins Yowah Boulder Opal Specimen 112 ct

$350 USD

Large Rainbow Flash Veins Yowah Boulder Opal Specimen 102 ct

$350 USD

Gorgeous Ocean Boulder Opal from Australia 68 Ct

$350 USD

Gorgeous Deep Purple Boulder Opal 20 ct

$350 USD

Rainbow Electric Flash Boulder Opal 23.15 Ct

$350 USD

Large Lime green Shimmer Australian Boulder Opal 69 Ct

$350 USD

Natural Solid Boulder Opal Stone 37.9 Ct

$350 USD

Rainbow Color Sparkling Boulder Opal 5.3 Ct

$350 USD

Large Rectangular Shape Boulder Opal

$345 USD

Brilliant Multi Color Flash Boulder Opal 9.25 Ct

$345 USD

Sparkling Boulder Opal Loose Stone 33.7 Ct

$340 USD

Large Blue Rectangle Shape Boulder Opal

$335 USD

Beautiful Shiny Stripes Australian Boulder Opal 10 ct

$325 USD

Gorgeous Purple Womens Boulder Opal Pendant

$325 USD

Stunning Purple Green Stripe Ladies Boulder Opal Pendant

$325 USD

Elegant Colored Winton Boulder Opal

$325 USD

Cute 3D effect Boulder Opal

$325 USD

Stunning Green and Purple Flash 3D Effect Boulder Opal Ringstone

$325 USD

Awesome Rainbow Stripe Large Boulder Opal 27.65 Ct

$325 USD

Gorgeous Triangular Wood Replacement Boulder Opal Stone

$325 USD

Green Sparkling Big Freeform Australian Boulder Opal Pendant Stone 130 ct

$320 USD

Gorgeous Unique Blue Colored Ladies Boulder Opal Pendant

$320 USD

Electric Rolling Flash Pipe Boulder Opal 15.75 Ct

$320 USD

Blue and Pink Winton Boulder Opal

$315 USD

Large Freeform Snake Skin Look Australian Boulder Opal Specimen 128 ct

$300 USD

Large Oval Shape Yowah Boulder Opal Specimen 84.7 ct

$300 USD

Gorgeous Purple Flash Australian Boulder Opal 32.35 ct

$300 USD

3 pcs Sparkling Rainbow Flash Wood Fossil Australian Boulder Opal Parcel 25.5 ct

$300 USD

Unique Wood Fossil Boulder Opal 35.3 ct

$300 USD

Green Pink Fang Shape Boulder Opal 25.8 ct

$300 USD

10 Piece Winton Boulder Opal Ring Makers Parcel

$300 USD

Lovely Blue Ocean Ladies Boulder Opal Pendant

$300 USD