• 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
1739 of 4578 products
5.44 ct Fancy (15.57 x 10.09mm) Natural Australian Boulder Opal 5.44 ct Fancy (15.57 x 10.09mm) Natural Australian Boulder Opal
5.44 ct Fancy (15.57 x 10.09mm) Natural Australian Boulder Opal
$77.99 $46.80 USD
3.55 ct Charming Fancy (12.88 x 9.29mm) Natural Australian Boulder Opal 3.55 ct Charming Fancy (12.88 x 9.29mm) Natural Australian Boulder Opal
3.55 ct Charming Fancy (12.88 x 9.29mm) Natural Australian Boulder Opal
$77.99 $46.80 USD
6.89 ct Five-star Fancy (25.81 x 8.22mm) Natural Australian Boulder Opal 6.89 ct Five-star Fancy (25.81 x 8.22mm) Natural Australian Boulder Opal
6.89 ct Five-star Fancy (25.81 x 8.22mm) Natural Australian Boulder Opal
$90.99 $54.60 USD
6.60 ct Flashing Fancy (19.45 x 14.48mm) Natural Australian Boulder Opal 6.60 ct Flashing Fancy (19.45 x 14.48mm) Natural Australian Boulder Opal
6.60 ct Flashing Fancy (19.45 x 14.48mm) Natural Australian Boulder Opal
$90.99 $54.60 USD
7.21 ct Fancy (23.46 x 12.54mm) Natural Australian Koroit Boulder Opal 7.21 ct Fancy (23.46 x 12.54mm) Natural Australian Koroit Boulder Opal
7.21 ct Fancy (23.46 x 12.54mm) Natural Australian Koroit Boulder Opal
$90.99 $54.60 USD
5.06 ct Fancy (14.47 x 11.31mm) Natural Australian Koroit Boulder Opal 5.06 ct Fancy (14.47 x 11.31mm) Natural Australian Koroit Boulder Opal
5.06 ct Fancy (14.47 x 11.31mm) Natural Australian Koroit Boulder Opal
$77.99 $46.80 USD
6.04 ct Fabulous Fancy (18.63 x 7.38mm) Natural Australian Boulder Opal 6.04 ct Fabulous Fancy (18.63 x 7.38mm) Natural Australian Boulder Opal
6.04 ct Fabulous Fancy (18.63 x 7.38mm) Natural Australian Boulder Opal
$90.99 $54.60 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
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
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
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
3.81 ct Eye-popping Fancy (17.80 x 13.34mm) Natural Australian Boulder Opal 3.81 ct Eye-popping Fancy (17.80 x 13.34mm) Natural Australian Boulder Opal
3.81 ct Eye-popping Fancy (17.80 x 13.34mm) Natural Australian Boulder Opal
$77.99 $46.80 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone