Round Cut Chatham Lab Created Ruby Gemstone

These loose round faceted cut lab-created Chatham Ruby gemstones are available for a custom-built ring by Nodeform Jewelry. Select your stone size & type, then select a ring setting that fits the shape and size of the selected stone. Add both to your cart and we'll create your ring!

Chatham Ruby Specs:

  • Sizes: 4 mm/ 0.4ct, 4.5 mm/ 0.5ct, 5 mm/ 0.67ct, 5.5 mm/ 0.95ct, 6 mm/ 1.2ct, 6.5 mm/ 1.5ct,  7 mm/ 1.85ct, 7.5 mm/ 2.0ct, 8 mm/ 2.75ct
  • Treatment: Lab Created
  • Comes with Certificate of Authenticity and limited lifetime warranty by Chatham Gems

A Lifetime Warranty

Each Chatham created gemstone comes with a lifetime warranty, guaranteeing buyer satisfaction. Here is Chatham’s statement of the warranty— Chatham created gemstones are held to the highest standards before leaving the lab. However, should your stone ever chip or break under ordinary circumstances, or in the case of opal, crack or craze, Chatham will gladly repair or replace the item at our option. Normal wear and tear are excluded.




★ Reviews

Let customers speak for us

196 reviews
It’s the second one I buy
We Love Them
Very Petite, Minimalist Earrings
Beautiful ring