• 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
746 of 4578 products
9.71 ct Fancy (15.86 x 14.28mm) 100% Natural Australian Boulder Opal 9.71 ct Fancy (15.86 x 14.28mm) 100% Natural Australian Boulder Opal
9.71 ct Fancy (15.86 x 14.28mm) 100% Natural Australian Boulder Opal
$129.99 $78.00 USD
3.28 ct Fancy (11.38 x 10.68mm) Natural Australian Koroit Boulder Opal 3.28 ct Fancy (11.38 x 10.68mm) Natural Australian Koroit Boulder Opal
3.28 ct Fancy (11.38 x 10.68mm) Natural Australian Koroit Boulder Opal
$64.99 $39.00 USD
5.66 ct Fancy (15.52 x 12.64mm) 100% Natural Australian Boulder Opal 5.66 ct Fancy (15.52 x 12.64mm) 100% Natural Australian Boulder Opal
5.66 ct Fancy (15.52 x 12.64mm) 100% Natural Australian Boulder Opal
$90.99 $54.60 USD
8.72 ct Stunning Fancy (13.99 x 13.08mm) Natural Australian Boulder Opal 8.72 ct Stunning Fancy (13.99 x 13.08mm) Natural Australian Boulder Opal
8.72 ct Stunning Fancy (13.99 x 13.08mm) Natural Australian Boulder Opal
$103.99 $62.40 USD
3.16 ct Fancy (11.75 x 8.64mm) 100% Natural Australian Boulder Opal 3.16 ct Fancy (11.75 x 8.64mm) 100% Natural Australian Boulder Opal
3.16 ct Fancy (11.75 x 8.64mm) 100% Natural Australian Boulder Opal
$64.99 $39.00 USD
8.74 ct Fancy (19.47 x 13.06mm) 100% Natural Australian Boulder Opal 8.74 ct Fancy (19.47 x 13.06mm) 100% Natural Australian Boulder Opal
8.74 ct Fancy (19.47 x 13.06mm) 100% Natural Australian Boulder Opal
$103.99 $62.40 USD
6.06 ct Valuable Fancy (21.31 x 11.01mm) Natural Australian Boulder Opal 6.06 ct Valuable Fancy (21.31 x 11.01mm) Natural Australian Boulder Opal
6.06 ct Valuable Fancy (21.31 x 11.01mm) Natural Australian Boulder Opal
$90.99 $54.60 USD
5.57 ct Beautiful Fancy (13.39 x 12.18mm) Natural Australian Boulder Opal 5.57 ct Beautiful Fancy (13.39 x 12.18mm) Natural Australian Boulder Opal
5.57 ct Beautiful Fancy (13.39 x 12.18mm) Natural Australian Boulder Opal
$90.99 $54.60 USD
8.23 ct Phenomenal Fancy (19.19 x 13.17mm) Natural Australian Boulder Opal 8.23 ct Phenomenal Fancy (19.19 x 13.17mm) Natural Australian Boulder Opal
8.23 ct Phenomenal Fancy (19.19 x 13.17mm) Natural Australian Boulder Opal
$103.99 $62.40 USD
15.15 ct Fancy (23.55 x 14.63mm) Natural Australian Koroit Boulder Opal 15.15 ct Fancy (23.55 x 14.63mm) Natural Australian Koroit Boulder Opal
15.15 ct Fancy (23.55 x 14.63mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
8.17 ct Fancy (22.79 x 13.45mm) Natural Australian Koroit Boulder Opal 8.17 ct Fancy (22.79 x 13.45mm) Natural Australian Koroit Boulder Opal
8.17 ct Fancy (22.79 x 13.45mm) Natural Australian Koroit Boulder Opal
$103.99 $62.40 USD
3.92 ct Sparkling Fancy (19.25 x 9.13mm) Natural Australian Boulder Opal 3.92 ct Sparkling Fancy (19.25 x 9.13mm) Natural Australian Boulder Opal
3.92 ct Sparkling Fancy (19.25 x 9.13mm) Natural Australian Boulder Opal
$77.99 $46.80 USD
8.55 ct Valuable Fancy (23.57 x 10.25mm) Natural Australian Boulder Opal 8.55 ct Valuable Fancy (23.57 x 10.25mm) Natural Australian Boulder Opal
8.55 ct Valuable Fancy (23.57 x 10.25mm) Natural Australian Boulder Opal
$103.99 $62.40 USD
8.16 ct Gorgeous Fancy (20.22 x 10.11mm) Natural Australian Boulder Opal 8.16 ct Gorgeous Fancy (20.22 x 10.11mm) Natural Australian Boulder Opal
8.16 ct Gorgeous Fancy (20.22 x 10.11mm) Natural Australian Boulder Opal
$103.99 $62.40 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone