• 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
37.92 ct Wonderful Fancy (32.00 x 21.78mm) Natural Australian Boulder Opal
37.92 ct Wonderful Fancy (32.00 x 21.78mm) Natural Australian Boulder Opal
$155.99 $93.60 USD
34.81 ct Charming Fancy (36.27 x 20.52mm) Natural Australian Boulder Opal
34.81 ct Charming Fancy (36.27 x 20.52mm) Natural Australian Boulder Opal
$155.99 $93.60 USD
20.76 ct Fancy (37.60 x 13.67mm) Natural Australian Koroit Boulder Opal
20.76 ct Fancy (37.60 x 13.67mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
10.72 ct Fancy (42.88 x 14.34mm) Natural Australian Koroit Boulder Opal
10.72 ct Fancy (42.88 x 14.34mm) Natural Australian Koroit Boulder Opal
$90.99 $54.60 USD
10.94 ct Five-star Fancy (40.78 x 11.26mm) Natural Australian Boulder Opal
10.94 ct Five-star Fancy (40.78 x 11.26mm) Natural Australian Boulder Opal
$90.99 $54.60 USD
19.14 ct Fancy (38.29 x 12.24mm) 100% Natural Australian Boulder Opal
19.14 ct Fancy (38.29 x 12.24mm) 100% Natural Australian Boulder Opal
$129.99 $78.00 USD
30.05 ct Terrific Fancy (34.84 x 17.82mm) Natural Australian Boulder Opal
30.05 ct Terrific Fancy (34.84 x 17.82mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
23.21 ct Fancy (35.59 x 16.02mm) Natural Australian Koroit Boulder Opal
23.21 ct Fancy (35.59 x 16.02mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
23.49 ct Fancy (34.82 x 16.52mm) Natural Australian Koroit Boulder Opal
23.49 ct Fancy (34.82 x 16.52mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
22.58 ct Fancy (33.66 x 18.15mm) Natural Australian Koroit Boulder Opal
22.58 ct Fancy (33.66 x 18.15mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
22.05 ct Five-star Fancy (38.83 x 13.43mm) Natural Australian Boulder Opal
22.05 ct Five-star Fancy (38.83 x 13.43mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
19.44 ct Fancy (37.82 x 13.02mm) Natural Australian Koroit Boulder Opal
19.44 ct Fancy (37.82 x 13.02mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
41.74 ct Fancy (43.81 x 18.32mm) Natural Australian Koroit Boulder Opal
41.74 ct Fancy (43.81 x 18.32mm) Natural Australian Koroit Boulder Opal
$155.99 $93.60 USD
69.56 ct Stunning Fancy (44.57 x 26.26mm) Natural Australian Boulder Opal
69.56 ct Stunning Fancy (44.57 x 26.26mm) Natural Australian Boulder Opal
$155.99 $93.60 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone