• 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
2124 products
22.10 ct Cabochon (32.80 x 21.20mm) Natural Australian Koroit Boulder Opal 22.10 ct Cabochon (32.80 x 21.20mm) Natural Australian Koroit Boulder Opal
22.10 ct Cabochon (32.80 x 21.20mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
26.63 ct Cabochon (31.80 x 21.54mm) Natural Australian Koroit Boulder Opal 26.63 ct Cabochon (31.80 x 21.54mm) Natural Australian Koroit Boulder Opal
26.63 ct Cabochon (31.80 x 21.54mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
31.00 ct RARE! Cabochon (33.88 x 19.13mm) Australian Koroit Boulder Opal 31.00 ct RARE! Cabochon (33.88 x 19.13mm) Australian Koroit Boulder Opal
31.00 ct RARE! Cabochon (33.88 x 19.13mm) Australian Koroit Boulder Opal
$116.99 $70.20 USD
44.54 ct Cabochon (29.20 x 23.27mm) Natural Australian Koroit Boulder Opal 44.54 ct Cabochon (29.20 x 23.27mm) Natural Australian Koroit Boulder Opal
44.54 ct Cabochon (29.20 x 23.27mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
20.92 ct Cabochon (29.90 x 18.92mm) Natural Australian Koroit Boulder Opal 20.92 ct Cabochon (29.90 x 18.92mm) Natural Australian Koroit Boulder Opal
20.92 ct Cabochon (29.90 x 18.92mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
24.02 ct Cabochon (32.04 x 16.72mm) Natural Australian Koroit Boulder Opal 24.02 ct Cabochon (32.04 x 16.72mm) Natural Australian Koroit Boulder Opal
24.02 ct Cabochon (32.04 x 16.72mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
26.15 ct Cabochon (28.61 x 24.14mm) Natural Australian Koroit Boulder Opal 26.15 ct Cabochon (28.61 x 24.14mm) Natural Australian Koroit Boulder Opal
26.15 ct Cabochon (28.61 x 24.14mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
30.95 ct Cabochon (32.34 x 21.41mm) Natural Australian Koroit Boulder Opal 30.95 ct Cabochon (32.34 x 21.41mm) Natural Australian Koroit Boulder Opal
30.95 ct Cabochon (32.34 x 21.41mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
30.89 ct Cabochon (26.29 x 20.54mm) Natural Australian Koroit Boulder Opal 30.89 ct Cabochon (26.29 x 20.54mm) Natural Australian Koroit Boulder Opal
30.89 ct Cabochon (26.29 x 20.54mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
39.83 ct Cabochon (28.70 x 19.11mm) Natural Australian Koroit Boulder Opal 39.83 ct Cabochon (28.70 x 19.11mm) Natural Australian Koroit Boulder Opal
39.83 ct Cabochon (28.70 x 19.11mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
27.78 ct Cabochon (33.17 x 22.16mm) Natural Australian Koroit Boulder Opal 27.78 ct Cabochon (33.17 x 22.16mm) Natural Australian Koroit Boulder Opal
27.78 ct Cabochon (33.17 x 22.16mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
22.65 ct Cabochon (34.66 x 18.91mm) Natural Australian Koroit Boulder Opal 22.65 ct Cabochon (34.66 x 18.91mm) Natural Australian Koroit Boulder Opal
22.65 ct Cabochon (34.66 x 18.91mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
31.52 ct Cabochon (34.48 x 18.94mm) Natural Australian Koroit Boulder Opal 31.52 ct Cabochon (34.48 x 18.94mm) Natural Australian Koroit Boulder Opal
31.52 ct Cabochon (34.48 x 18.94mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
25.27 ct Cabochon (33.83 x 23.49mm) Natural Australian Koroit Boulder Opal 25.27 ct Cabochon (33.83 x 23.49mm) Natural Australian Koroit Boulder Opal
25.27 ct Cabochon (33.83 x 23.49mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone