Gemstone Cuts & Shapes

We offer the widest variety of loose natural colored gemstones on the market. Whether you're interested in superior cut melee, standard calibrated cuts, single one-of-a-kind award winning cuts, or even gem carvings - we have the variety and quality you need.

Moreover, we are the world's primary supplier of brand-name exotic gemstones including Tashmarine®, Cortez Pearls®, Grape Garnet®, Fire Citrine®, Imperial Diopside®, Royal Kings Plain Sapphire®, Purple Sage® Chalcedony, Seafoam Tourmaline® and Nyala® Ruby and Sapphire.

We have been very successful at adapting our unique cutting techniques and expertise to fulfill the needs of our customers. Our research and development team is always refining new cutting ideas and setting new standards within the gemstone industry. Note: Not all stone types can be cut in these various shapes due to other physical characteristics of the gemstone.


We offer superior, precision cut, natural, colored gemstone melee. If you need exacting measurements for micro-pave, channel or invisible setting, Columbia Gem House is the unrivaled manufacturer for your melee needs.

Melee sizes are generally 3.5mm or less, approximately 0.18 carats and lower depending on species and variety.



Serious inquiries please contact us directly. Please be able to provide trade references upon request. Availability subject to change without prior notice.