• 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
9.70 ct RARE! Cabochon (26.84 x 11.91 mm) Australian Koroit Boulder Opal
9.70 ct RARE! Cabochon (26.84 x 11.91 mm) Australian Koroit Boulder Opal
$116.99 $70.20 USD
14.44 ct Cabochon (21.84 x 16.01mm) Natural Australian Koroit Boulder Opal
14.44 ct Cabochon (21.84 x 16.01mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
16.73 ct RARE! Cabochon (22.83 x 14.80 mm) Australian Koroit Boulder Opal
16.73 ct RARE! Cabochon (22.83 x 14.80 mm) Australian Koroit Boulder Opal
$116.99 $70.20 USD
13.13 ct Cabochon (25.52 x 9.93 mm) Natural Australian Koroit Boulder Opal
13.13 ct Cabochon (25.52 x 9.93 mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
16.36 ct Cabochon (23.03 x 17.40mm) Natural Australian Koroit Boulder Opal
16.36 ct Cabochon (23.03 x 17.40mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
19.96 ct Cabochon (21.47 x 14.17mm) Natural Australian Koroit Boulder Opal
19.96 ct Cabochon (21.47 x 14.17mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
14.78 ct RARE! Cabochon (25.29 x 14.39mm) Australian Koroit Boulder Opal
14.78 ct RARE! Cabochon (25.29 x 14.39mm) Australian Koroit Boulder Opal
$116.99 $70.20 USD
23.75 ct Cabochon (22.78 x 20.25mm) Natural Australian Koroit Boulder Opal
23.75 ct Cabochon (22.78 x 20.25mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
14.89 ct Cabochon (29.65 x 17.94mm) Natural Australian Koroit Boulder Opal
14.89 ct Cabochon (29.65 x 17.94mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
18.07 ct RARE! Premium Cabochon (24.78 x 16.16mm) Australian Boulder Opal
18.07 ct RARE! Premium Cabochon (24.78 x 16.16mm) Australian Boulder Opal
$116.99 $70.20 USD
20.40 ct Cabochon (23.73 x 20.65mm) Natural Australian Koroit Boulder Opal
20.40 ct Cabochon (23.73 x 20.65mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
12.06 ct RARE! Premium Cabochon (25.26 x 11.11mm) Australian Boulder Opal
12.06 ct RARE! Premium Cabochon (25.26 x 11.11mm) Australian Boulder Opal
$116.99 $70.20 USD
18.88 ct Cabochon (26.04 x 13.56mm) Natural Australian Koroit Boulder Opal
18.88 ct Cabochon (26.04 x 13.56mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
14.11 ct Cabochon (30.14 x 14.11mm) Natural Australian Koroit Boulder Opal
14.11 ct Cabochon (30.14 x 14.11mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone