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Natural Amethyst 9.50 ct – Purple, Pear Cut, Untreated
Natural amethyst, 97.50 carats, oval cut, clarity: eye clean, purple color, measuring 33.99 × 27.62 × 16.91 mm
Natural Ametrine 10.00 ct – Purple - Yellow, Rectangular Cut, Untreated, Bolivia
Natural Ametrine 10.46 ct – Light Violetish Purple, Pear Cut, Untreated, Bolivia
Natural Ametrine 10.81 ct – Bicolor, Lozenge Cut, Light Violet / Orange Yellow, Untreated
Natural Ametrine 11.12 ct – Purple - Yellow, Rectangular Cut, Untreated, Bolivia
Natural Ametrine 11.15 ct – Light Violetish Purple, Cut - Cornered Rectangular, Untreated, Bolivia
Natural Ametrine 13.44 ct – Light Violetish Purple, Cut - Cornered Square, Untreated
Natural Ametrine 15.73 ct – Purple - Yellow, Oval Cut, Untreated, Bolivia
Natural Ametrine 18.40 ct – Purple - Yellow, Fancy Oval Cut, Untreated, Bolivia
Natural Ametrine 19.55 ct – Purple - Yellow, Oval Cut, Untreated, Bolivia
Natural Ametrine 19.70 ct – Purple - Yellow, Fancy Cut, Untreated, Bolivia
Natural Ametrine 20.00 ct – Purple - Yellow, Oval Cut, Untreated, Bolivia
Natural Ametrine 20.69 ct – Violet/Yellow, Octagonal Cut, AGR Certified
Natural Ametrine 21.40 ct – Matching Pair, Emerald Cut, Purple - Orange, Untreated, Bolivia
Natural Ametrine 21.62 ct – Purple - Yellow, Oval Cut, Untreated, Bolivia
Natural Ametrine 3.30 carats, triangle cut, violet and yellow bi-color gemstone, untreated, GEMTRUE certified
Natural Ametrine 3.44 carats, triangle cut, light violet and yellow bi-color gemstone, untreated, GEMTRUE certified
Natural Ametrine 39.50 ct – Pear Cut, Heat Treated
Natural Ametrine 44.45 ct – Purple - Yellow, Oval Cut, Untreated, Bolivia
Natural Ametrine 5.17 carats, octagonal cut, purple and yellow bi-color gemstone, untreated
Natural Ametrine 5.34 ct – Purple/Yellow, Octagonal Cut, Untreated
Natural Ametrine 5.92 carats, tapered baguette cut, purple and yellow bi-color gemstone, untreated
Natural Ametrine 6.11 ct – Purple/Yellow, Octagonal Cut, Untreated
Natural Ametrine 6.32 ct – Purple/Yellow, Octagonal Cut, Untreated
Natural Ametrine 6.55 carats, lozenge cut, purple and yellow bi-color gemstone, untreated
Natural Ametrine 6.68 ct – Violet/Yellow, Cut - Cornered Whistle Cut, Untreated
Natural Ametrine 7.03 carats, tapered baguette cut, flawless purple-yellow bi-color gemstone, untreated
Natural Ametrine 7.07 carats, fancy octagonal cut, purple-yellow bi-color gemstone, untreated
Natural Ametrine 7.27 carats, kite cut, purple and yellow bi-color gemstone, untreated
Natural Ametrine 7.65 carats, cut-cornered whistle cut, purple-yellow bi-color gemstone, untreated
Natural Ametrine 8.20 ct – Purple - Yellow, Fancy Cut, Untreated, Bolivia
Natural untreated ametrine, 8.24 carats, emerald cut, clarity: slightly included, purple and golden yellow bi-color quartz, measuring 14.26 × 10.59 × 6.73 mm
Natural Ametrine 9.04 ct – Purple/Yellow, Tapered Baguette Cut, Untreated
Natural Ametrine 9.48 ct – Purple - Yellow, Rectangular Cut, Untreated, Bolivia
Natural Ametrine 92.00 ct – Purple - Yellow, Cut - Cornered Rectangular, Untreated, Bolivia
Natural ametrine quartz, 13.20 carats, cushion cut, transparent clarity, violetish purple and orangy yellow, ČGL certified
Natural Apatite 0.90 ct – Cushion Cut, Untreated, Pakistan
Natural Apatite 1.90 ct – Oval Cut, Untreated
Natural Apatite 3.85 ct – 3 - Piece Set, Light Blue, Oval Cut, Untreated
Natural Aquamarine 1.05 ct – Blue, Octagon Cut, Unheated, Brazil
Natural Aquamarine 1.10 ct – Rich Sea Blue, Asscher Cut, Unheated, Brazil
Natural Aquamarine 1.16 ct – Sea Blue, Asscher Cut, Untreated, Brazil
Natural Aquamarine 1.24 ct – Sky Blue, Square Cut
Natural Aquamarine 1.38 ct – Blue, Pear Cut, Untreated
Natural Aquamarine 1.52 ct – Soft Blue, Cushion Cut
Natural Aquamarine 1.75 ct – Matched Pair, Blue Octagon Cut, Untreated
Natural Aquamarine 10.09 ct – Roundish Oval Cut, Untreated