• 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
11.23 ct Fancy (20.96 x 13.34mm) Natural Australian Koroit Boulder Opal 11.23 ct Fancy (20.96 x 13.34mm) Natural Australian Koroit Boulder Opal
11.23 ct Fancy (20.96 x 13.34mm) Natural Australian Koroit Boulder Opal
$103.99 $62.40 USD
9.93 ct Fancy (22.24 x 13.95mm) Natural Australian Koroit Boulder Opal 9.93 ct Fancy (22.24 x 13.95mm) Natural Australian Koroit Boulder Opal
9.93 ct Fancy (22.24 x 13.95mm) Natural Australian Koroit Boulder Opal
$103.99 $62.40 USD
9.86 ct Fancy (17.52 x 12.56mm) Natural Australian Koroit Boulder Opal 9.86 ct Fancy (17.52 x 12.56mm) Natural Australian Koroit Boulder Opal
9.86 ct Fancy (17.52 x 12.56mm) Natural Australian Koroit Boulder Opal
$103.99 $62.40 USD
10.37 ct Fancy (18.63 x 15.79mm)Multi Australian Koroit Boulder Opal 10.37 ct Fancy (18.63 x 15.79mm)Multi Australian Koroit Boulder Opal
10.37 ct Fancy (18.63 x 15.79mm)Multi Australian Koroit Boulder Opal
$103.99 $62.40 USD
9.59 ct Fancy (20.44 x 13.35mm)Multi Australian Koroit Boulder Opal 9.59 ct Fancy (20.44 x 13.35mm)Multi Australian Koroit Boulder Opal
9.59 ct Fancy (20.44 x 13.35mm)Multi Australian Koroit Boulder Opal
$64.99 $39.00 USD
8.10 ct Lovely Fancy (18.36 x 14.26mm) Natural Australian Boulder Opal 8.10 ct Lovely Fancy (18.36 x 14.26mm) Natural Australian Boulder Opal
8.10 ct Lovely Fancy (18.36 x 14.26mm) Natural Australian Boulder Opal
$64.99 $39.00 USD
7.69 ct Superb Fancy (22.13 x 11.72mm) Natural Australian Boulder Opal 7.69 ct Superb Fancy (22.13 x 11.72mm) Natural Australian Boulder Opal
7.69 ct Superb Fancy (22.13 x 11.72mm) Natural Australian Boulder Opal
$64.99 $39.00 USD
9.76 ct Fancy (21.03 x 14.29mm) Natural Australian Koroit Boulder Opal 9.76 ct Fancy (21.03 x 14.29mm) Natural Australian Koroit Boulder Opal
9.76 ct Fancy (21.03 x 14.29mm) Natural Australian Koroit Boulder Opal
$64.99 $39.00 USD
9.58 ct Romantic Fancy (26.08 x 11.71mm) Natural Australian Boulder Opal 9.58 ct Romantic Fancy (26.08 x 11.71mm) Natural Australian Boulder Opal
9.58 ct Romantic Fancy (26.08 x 11.71mm) Natural Australian Boulder Opal
$64.99 $39.00 USD
22.35 ct Fancy (24.51 x 16.64mm) Natural Australian Koroit Boulder Opal 22.35 ct Fancy (24.51 x 16.64mm) Natural Australian Koroit Boulder Opal
22.35 ct Fancy (24.51 x 16.64mm) Natural Australian Koroit Boulder Opal
$103.99 $62.40 USD
13.35 ct Very good Fancy (27.00 x 12.38mm) Australian Koroit Boulder Opal 13.35 ct Very good Fancy (27.00 x 12.38mm) Australian Koroit Boulder Opal
13.35 ct Very good Fancy (27.00 x 12.38mm) Australian Koroit Boulder Opal
$90.99 $54.60 USD
19.23 ct Sparkling Fancy (31.56 x 17.15mm) Australian Koroit Boulder Opal 19.23 ct Sparkling Fancy (31.56 x 17.15mm) Australian Koroit Boulder Opal
19.23 ct Sparkling Fancy (31.56 x 17.15mm) Australian Koroit Boulder Opal
$103.99 $62.40 USD
24.49 ct Fancy (24.85 x 21.73mm) Natural Australian Koroit Boulder Opal 24.49 ct Fancy (24.85 x 21.73mm) Natural Australian Koroit Boulder Opal
24.49 ct Fancy (24.85 x 21.73mm) Natural Australian Koroit Boulder Opal
$103.99 $62.40 USD
14.89 ct Fancy (29.69 x 17.85mm) Natural Australian Koroit Boulder Opal 14.89 ct Fancy (29.69 x 17.85mm) Natural Australian Koroit Boulder Opal
14.89 ct Fancy (29.69 x 17.85mm) Natural Australian Koroit Boulder Opal
$90.99 $54.60 USD

Our collections

Tourmaline

Explore

Tanzanite

Explore

Opal

Explore
All Gemstone