Round Genuine Ruby Cabochon Select Stone Size:4mm 719) for secure bench or

719) for secure bench or tabletop mounting

small-to-medium engraving work

Master container holds 6 inner 72-piece slotted bur holding boxes

Designed specifically for jewelers and engravers who want to expand the capability of their H-MH-110 handpiece

cuts are repeatable

Round Genuine Ruby Cabochon Select Stone Size:4mm 719) for secure bench orKnown as the King of Gems in Sanskrit, ruby is one of the most desired and valuable gemstones, prized as far back as biblical times. Ruby is the most valuable variety of corundum and commands the highest per carat price of any colored stone. The trace element chromium is responsible for ruby's characteristic color, which ranges from orangy red to purplish red. Pure, vivid red to slightly purplish red is considered the most desirable and highest valued