• Filters

    Filter by

    Availability
    Price
    $
    $
    Gem Size Depth ( d )
    Weight
    Hardness
    Treatment
    Origin
    Luster
    Clarity
    Gem Size Width ( w )
    Gem Size Length ( l )
    Shape
    Grade
    Color
    Clear all
4578 products
36.82 ct Beautiful Fancy (31.83 x 18.21mm) Australian Koroit Boulder Opal 36.82 ct Beautiful Fancy (31.83 x 18.21mm) Australian Koroit Boulder Opal
36.82 ct Beautiful Fancy (31.83 x 18.21mm) Australian Koroit Boulder Opal
$129.99 $78.00 USD
30.57 ct Pretty Fancy (27.43 x 23.64mm) Natural Australian Boulder Opal 30.57 ct Pretty Fancy (27.43 x 23.64mm) Natural Australian Boulder Opal
30.57 ct Pretty Fancy (27.43 x 23.64mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
25.05 ct Fancy (37.45 x 19.30mm) Natural Australian Koroit Boulder Opal 25.05 ct Fancy (37.45 x 19.30mm) Natural Australian Koroit Boulder Opal
25.05 ct Fancy (37.45 x 19.30mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
32.90 ct Phenomenal Fancy (26.69x21.35mm) Natural Australian Boulder Opal 32.90 ct Phenomenal Fancy (26.69x21.35mm) Natural Australian Boulder Opal
32.90 ct Phenomenal Fancy (26.69x21.35mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
38.19 ct Fancy (24.79 x 24.43mm) Natural Australian Koroit Boulder Opal 38.19 ct Fancy (24.79 x 24.43mm) Natural Australian Koroit Boulder Opal
38.19 ct Fancy (24.79 x 24.43mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
22.82 ct Stunning Fancy (34.19 x 24.92mm) Natural Australian Boulder Opal 22.82 ct Stunning Fancy (34.19 x 24.92mm) Natural Australian Boulder Opal
22.82 ct Stunning Fancy (34.19 x 24.92mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
22.65 ct Fancy (34.50 x 21.46mm) Natural Australian Koroit Boulder Opal 22.65 ct Fancy (34.50 x 21.46mm) Natural Australian Koroit Boulder Opal
22.65 ct Fancy (34.50 x 21.46mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
21.29 ct Incredible Fancy (36.67x24.20mm) Natural Australian Boulder Opal 21.29 ct Incredible Fancy (36.67x24.20mm) Natural Australian Boulder Opal
21.29 ct Incredible Fancy (36.67x24.20mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
46.99 ct Marvelous Fancy (38.51 x 15.42mm) Natural Australian Boulder Opal 46.99 ct Marvelous Fancy (38.51 x 15.42mm) Natural Australian Boulder Opal
46.99 ct Marvelous Fancy (38.51 x 15.42mm) Natural Australian Boulder Opal
$155.99 $93.60 USD
38.24 ct Fancy (34.84 x 29.77mm) Natural Australian Koroit Boulder Opal 38.24 ct Fancy (34.84 x 29.77mm) Natural Australian Koroit Boulder Opal
38.24 ct Fancy (34.84 x 29.77mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
41.67 ct Phenomenal Fancy (40.56 x 27.25mm) Australian Koroit Boulder Opal 41.67 ct Phenomenal Fancy (40.56 x 27.25mm) Australian Koroit Boulder Opal
41.67 ct Phenomenal Fancy (40.56 x 27.25mm) Australian Koroit Boulder Opal
$155.99 $93.60 USD
41.21 ct Beautiful Fancy (26.25 x 23.27mm) Natural Australian Boulder Opal 41.21 ct Beautiful Fancy (26.25 x 23.27mm) Natural Australian Boulder Opal
41.21 ct Beautiful Fancy (26.25 x 23.27mm) Natural Australian Boulder Opal
$155.99 $93.60 USD
54.24 ct Fancy (33.01 x 29.78mm) Natural Australian Koroit Boulder Opal 54.24 ct Fancy (33.01 x 29.78mm) Natural Australian Koroit Boulder Opal
54.24 ct Fancy (33.01 x 29.78mm) Natural Australian Koroit Boulder Opal
$155.99 $93.60 USD
68.53 ct Fancy (41.70 x 27.86mm) Natural Australian Koroit Boulder Opal 68.53 ct Fancy (41.70 x 27.86mm) Natural Australian Koroit Boulder Opal
68.53 ct Fancy (41.70 x 27.86mm) Natural Australian Koroit Boulder Opal
$155.99 $93.60 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone