Round Lab-Created Ruby Cabochon

A vibrant, professional-grade gemstone for jewelry making and resale, this round lab-created ruby cabochon is composed of man-made corundum — sharing the same chemical composition, crystal structure, and hardness as its natural counterpart. It delivers excellent clarity and vivid, even coloration at a fraction of the cost of mined ruby, making it an ideal choice for production jewelry, custom settings, and retail display pieces.

Ruby — known in Sanskrit as the "King of Gems" — has been among the most prized gemstones throughout history. As the most valuable variety of corundum, it commands the highest per-carat price of any colored stone. The rich red hue is produced by trace amounts of chromium, with color ranging from orangey red to purplish red. Lab-created ruby reproduces this color and hardness with consistency, batch after batch.

Features

• Man-made corundum with the same chemical composition as natural ruby
• Medium to dark purplish red color with vivid, even saturation
• Eye-clean clarity — free of visible inclusions to the naked eye
• Mohs hardness of 9 — excellent durability for everyday wear
• Round cabochon cut — suited for bezel, prong, and channel settings
• July birthstone — popular for custom and commemorative jewelry
• Consistent color and clarity across sizes, ideal for production runs

Specifications

Available Options

Notes

• Clean with warm, soapy water; ultrasonic and steam cleaners are generally safe for this stone type.
• Some minor inclusions may be present — completely inclusion-free rubies are rare even in lab-created material.
• Heat treatment is standard practice for natural rubies; synthetic varieties achieve their color and clarity during the growth process without additional treatment.