• 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
4.53 ct Valuable Fancy (14.00 x 8.43mm) Natural Australian Boulder Opal
4.53 ct Valuable Fancy (14.00 x 8.43mm) Natural Australian Boulder Opal
$90.99 $54.60 USD
6.17 ct Fancy (16.13 x 12.51mm) 100% Natural Australian Boulder Opal
6.17 ct Fancy (16.13 x 12.51mm) 100% Natural Australian Boulder Opal
$103.99 $62.40 USD
3.75 ct Incredible Fancy (15.66 x 11.26mm) Natural Australian Boulder Opal
3.75 ct Incredible Fancy (15.66 x 11.26mm) Natural Australian Boulder Opal
$77.99 $46.80 USD
9.37 ct Fancy (16.27 x 12.87mm) 100% Natural Australian Boulder Opal
9.37 ct Fancy (16.27 x 12.87mm) 100% Natural Australian Boulder Opal
$129.99 $78.00 USD
8.41 ct Fancy (20.57 x 13.02mm) Natural Australian Koroit Boulder Opal
8.41 ct Fancy (20.57 x 13.02mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
10.04 ct Superb Fancy (19.87 x 11.36mm) Natural Australian Boulder Opal
10.04 ct Superb Fancy (19.87 x 11.36mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
4.59 ct Fancy (14.64 x 12.07mm) Natural Australian Koroit Boulder Opal
4.59 ct Fancy (14.64 x 12.07mm) Natural Australian Koroit Boulder Opal
$90.99 $54.60 USD
4.38 ct Fantastic Fancy (16.09 x 10.08mm) Natural Australian Boulder Opal
4.38 ct Fantastic Fancy (16.09 x 10.08mm) Natural Australian Boulder Opal
$90.99 $54.60 USD
6.25 ct Valuable Fancy (16.20 x 11.06mm) Natural Australian Boulder Opal
6.25 ct Valuable Fancy (16.20 x 11.06mm) Natural Australian Boulder Opal
$103.99 $62.40 USD
7.54 ct Tremendous Fancy (17.08 x 12.36mm) Natural Australian Boulder Opal
7.54 ct Tremendous Fancy (17.08 x 12.36mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
8.58 ct Fancy (18.81 x 12.65mm) Natural Australian Koroit Boulder Opal
8.58 ct Fancy (18.81 x 12.65mm) Natural Australian Koroit Boulder Opal
$129.99 $78.00 USD
7.68 ct Premium Fancy (20.39 x 12.65mm) Natural Australian Boulder Opal
7.68 ct Premium Fancy (20.39 x 12.65mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
8.61 ct Splendid Fancy (20.46 x 10.89mm) Natural Australian Boulder Opal
8.61 ct Splendid Fancy (20.46 x 10.89mm) Natural Australian Boulder Opal
$129.99 $78.00 USD
7.74 ct Fancy (18.88 x 18.73mm) 100% Natural Australian Boulder Opal
7.74 ct Fancy (18.88 x 18.73mm) 100% Natural Australian Boulder Opal
$129.99 $78.00 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone