For loose or mounted stones. Compatible with all GIA Instruments™ with built-in mounting posts. Girdle edge fully visible even when held girdle to girdle inspring-loaded axis rotation. Holds stone firmly without abrading culet.

Unless otherwise specified, products manufactured by GIA Instruments, are warrantied to the original owner to be free of defects in materials and workmanship for one (1) year from date of purchase. Products offered by GIA Instruments but manufactured by other companies are not covered under the warranty but may be separately warrantied by the manufacturer. Consumable components, i.e., lamps, tubes, filters, liquids and batteries, are guaranteed for 30 days.