12mm
Amazonite 12mm Triangular Cut Gemstone Cabochon
Ref:1582 Amazonite 12mm Triangular Cut Gemstone Cabochon 4mm profile 4ct/0.8gm&nbs..
£3.00
Amethyst 12mm Round Gemstone Cabochon
Ref:5657 Amethyst 12mm Round Gemstone Cabochon 6.5mm profile, approx 7ct/1.4gm, app..
£3.50
Botswana Agate 12mm Triangular Loose Gemstone Cabochon
Ref:10022 Botswana Agate 12mm Triangular Loose Gemstone Cabochon 4mm profile &..
£2.50
Botswana Agate 15mm Square Loose Gemstone Cabochon
Botswana Agate 15mm Square Loose Gemstone Cabochon 4mm profile 4ct/0.8 g&nb..
£3.00
Botswana Agate 30x10mm Rectangular Loose Gemstone Cabochon
Ref:10138 Botswana Agate 30x10mm Rectangular Loose Gemstone Cabochon 4mm profile &n..
£5.00
Gray Moonstone 12mm Round Gemstone Cabochon
Ref:1126 Gray Moonstone 12mm Round Gemstone Cabochon 5.5mm profile 6ct/1.2gm ..
£4.00
Green Aventurine 12mm Triangular Gemstone Cabochon
Ref:1526 Green Aventurine 12mm Triangular Gemstone Cabochon 4mm profile 3.5 ct ..
£3.00
Iolite 12mm Round Gemstone Cabochon
Ref:0411 Iolite 12mm Round Gemstone Cabochon 6.5mm profile 7ct/1.4gm Fo..
£3.50
Peach Moonstone 12x8mm Rectangular Gemstone Cabochon
Ref:5503 Peach Moonstone 12x8mm Rectangular Gemstone Cabochon 4mm profile 4ct/0.8g..
£3.50
Red Jasper 12mm Triangular Gemstone Cabochon
Ref:1460 Red Jasper 12mm Triangular Gemstone Cabochon 4.5mm profile 5.3ct/1.06gm&n..
£3.00
Ruby 12x10mm Oval Loose Gemstone Cabochon
Ref:44838 Ruby12x10mm Oval Loose Gemstone Cabochon4.5mm profile6 ct/1.2 g..
£38.99
Amethyst 12.5mm Round Fantasy Cut Gemstone
Amethyst12.5mm Round Fantasy Cut Loose Gemstone8 mm profile10.15 ct / 2.03 g..
£34.99
Aquamarine 12.8x9.5mm Drop Cut Faceted Gemstone
Aquamarine 12.8x9.5mm Drop Cut Faceted Loose Gemstone 6 mm profile 4.00 ct / 0.80 g ..
£47.99
Black Star Diopside 12mm Round Gemstone Cabochon
Black Star Diopside 12mm Round Gemstone Cabochon 6.5mm profile 7.5ct/1.5gm &n..
£4.50
Carnelian 12x10mm Oval Gemstone Cabochons
Carnelian 12x10mm Oval Loose Gemstone Cabochon 5 mm profile, approx. 5.00 ct / 1.00 g, approx. ..
£4.50
Chrysoprase 12x8mm Rectangular Cabochon
Chrysoprase 12x8mm Rectangular Loose Gemstone Cabochon 4.5 mm profile 4.5 ct/ 0.9 g&n..
£3.50
Citrine 12mm Round Cabochon
Citrine 12mm Round Loose Gemstone Cabochon 6 mm profile approx. 7.00 ct / 1.40 g appr..
£3.50
Citrine 12x6mm Marquise Cut Faceted
Citrine12x6mm Marquise Cut Loose Faceted Gemstone 4.5mm profile approx. 1.8 ct/ 0.36 g&nbs..
£4.99
Hessonite Garnet 12mm Round Cabochon
Hessonite Garnet 12mm Round Loose Gemstone Cabochon 6 mm profile 8.70 ct / 1.74 g ..
£8.50
Hessonite Garnet 12x9mm Oval Cabochon
Hessonite Garnet 12x9mm Oval Loose Gemstone Cabochon 5 mm profile 5.60 ct / 1.12 g ..
£5.50
Kyanite 12.2x7.6mm Emerald Cut Gemstone
Kyanite 12.2x7.6mm Loose Emerald Cut Gemstone 5.5 mm profile 5.55 ct / 1.11 g ..
£27.75
Kyanite 12.2x8.5mm Rectangular Faceted Gemstone
Kyanite 12.2x8.5mm Loose Rectangular Faceted Gemstone 6 mm profile 6.15 ct / 1.23 g&n..
£30.75
Kyanite 12.2x8.8mm Oval Faceted Gemstone
Kyanite 12.2x8.8mm Oval Faceted Loose Gemstone 5 mm profile 5.20 ct / 1.04 g ..
£25.99
Kyanite 12.3x8.4mm Oval Faceted Gemstone
Kyanite 12.3x8.4mm Oval Faceted Loose Gemstone 4.5 mm profile 4.70 ct / 0.94 g ..
£23.50
Kyanite 12.5x9mm Oval Faceted Gemstone
Kyanite 12.5x9mm Oval Faceted Loose Gemstone 5.5 mm profile 5.70 ct / 1.14 g ..
£28.50