Black Star Sapphire

Class Ring Mod™ Gemstone  Black Star Sapphire

Black Star Sapphire

A genuine Black Star Sapphire is a rare form of sapphire that, when cut into a cabochon form, bends light into a star. Moderately priced, it has a hardness rating of 9 out of 10 making it a great and durable option for the daily wear of your class ring.

Mineral Corundum
Hardness 9
Birthstone September


The following packages can be built with Black Star Sapphire centers.
Choose one for more customization options.

Sizes & Availability

Diamond and gemstone dividers are available for all ring sizes.
Large Ring
Base Gemstone Style Divider
Classic M1™ 12x10
Pro M12™ 12x10
Pro M18™ 12x10
Pro M26™ 12x10

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