Mineral: Corundum | Hardness: 9 | Birthstone Month: September | Anniversary: 5th & 45th
Purple is the color of royalty!
Chatham grows a variety of fancy colored sapphires. The latest addition to that color menu is purple sapphire. In a process that takes up to 12 months, Chatham grows purple sapphires in a laboratory that are identical chemically, physically, and optically to their mined counterparts.
These stunning gems exhibit a lavender to deep violet hue with excellent clarity and brilliance.

Chatham’s loose stone category is exclusively wholesale. We will gladly connect you with one of our Authorized Gemstone Retailers through our Concierge Service, or you can visit our Store Locator for a retailer near you. For a truly customized Chatham experience, book a virtual appointment with one of our expert team members, to ensure we fulfill your expectations.

Chatham lab-grown purple sapphire is a rich and vibrant purple color, ranging in a light lavender in smaller stones to a deep violet in larger sizes.
Because of its dichroic attribute, different colors can be seen at different angles.
Truly breathtaking!
The standard clarity grade at Chatham is Gem Quality. That means they are free of any eye-visible inclusions.
Chatham lab-grown purple sapphire is essentially flawless.


Chatham maintains rigorous quality control standards to ensure that each lab-grown gemstone meets our high-quality benchmarks.
Chatham lab-grown purple sapphires are cut and polished to high standards, ensuring they exhibit maximum brilliance and color saturation.
Chatham offers lab-grown purple sapphire in a range of popular shapes cut to calibrated sizes. We are also able to accommodate custom cut orders in any size and shape, within reason.
Chatham lab-grown purple sapphire is popular in oval and antique cushions.

Chatham grows a kaleidoscope of gemstones. For a closer look, click each lab grown gem to learn more about it’s beauty, quality and color possibilities.

Chatham is the exclusive distributor of Chatham lab grown gemstones. If you are a retailer interested in creating an account, please click here to complete our form. Someone will be in touch shortly with your account details.
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