Jewelry » Loose Gemstones

min 3.50ct 11x11mm trillion russian lab alexandrite. this is a color changing stone....UNTREATED

Garnet is one of the few gemstones that can exhibit a natural color change phenomenon, and the display is truly enchanting. This 5x4mm color-change garnet comes from Tanzania and has a weight of .38 carat. Beautifully faceted, it changes from a teal blue color when viewed in daylight to a deep ...

Minimum 9.00ct, 16x12mm emerald cut tourmalinated quartz from Brazil....UNTREATED

Minimum 1.50ct 8x6mm oval fissure filled ruby from Madagascar. ...FISSURE FILLED

Min 1.20ct 8x6mm oval surface diffused star sapphire. ERV=$96.00...SURFACE DIFFUSION

4mm round apatite from Madagascar, set of 10....HEATED

Minimum .60ct 6mm round moonstone from Sri Lanka....UNTREATED

Minimum .10ct 10x8mm cushion cut synthetic Gilson opal doublet from Australia....UNTREATED

Minimum 1.00ct, mm varies rectangle shape watermelon tourmaline from Brazil....UNTREATED

Minimum 3.50ct 10mm round quantum cut(tm) London blue topaz from Sri Lanka and cut in China....IRRADIATED