• 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
27.64 ct Cabochon (27.45 x 22.69mm) Natural Australian Koroit Boulder Opal
27.64 ct Cabochon (27.45 x 22.69mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
31.38 ct Cabochon (32.30 x 23.03mm) Natural Australian Koroit Boulder Opal
31.38 ct Cabochon (32.30 x 23.03mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
17.60 ct Cabochon (35.35 x 17.77mm) Natural Australian Koroit Boulder Opal
17.60 ct Cabochon (35.35 x 17.77mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
21.77 ct Cabochon (33.29 x 17.90mm) Natural Australian Koroit Boulder Opal
21.77 ct Cabochon (33.29 x 17.90mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
26.57 ct Cabochon (27.95 x 25.30mm) Natural Australian Koroit Boulder Opal
26.57 ct Cabochon (27.95 x 25.30mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
25.32 ct Cabochon (36.04 x 15.67mm) Natural Australian Koroit Boulder Opal
25.32 ct Cabochon (36.04 x 15.67mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
22.92 ct Cabochon (37.42 x 14.84mm) Natural Australian Koroit Boulder Opal
22.92 ct Cabochon (37.42 x 14.84mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
41.88 ct Cabochon (31.45 x 28.50mm) Natural Australian Koroit Boulder Opal
41.88 ct Cabochon (31.45 x 28.50mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
17.69 ct Cabochon (34.49 x 20.21mm) Natural Australian Koroit Boulder Opal
17.69 ct Cabochon (34.49 x 20.21mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
27.77 ct Cabochon (34.87 x 18.03mm) Natural Australian Koroit Boulder Opal
27.77 ct Cabochon (34.87 x 18.03mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
30.44 ct Cabochon (39.50 x 19.74mm) Natural Australian Koroit Boulder Opal
30.44 ct Cabochon (39.50 x 19.74mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
14.97 ct Cabochon (35.47 x 20.66mm) Natural Australian Koroit Boulder Opal
14.97 ct Cabochon (35.47 x 20.66mm) Natural Australian Koroit Boulder Opal
$116.99 $70.20 USD
41.93 ct Cabochon (35.76 x 22.40mm) Natural Australian Koroit Boulder Opal
41.93 ct Cabochon (35.76 x 22.40mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD
30.73 ct Cabochon (43.42 x 17.96mm) Natural Australian Koroit Boulder Opal
30.73 ct Cabochon (43.42 x 17.96mm) Natural Australian Koroit Boulder Opal
$168.99 $101.40 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone