Ada Diamonds' Public Purchase Program allows private individuals to sell superlative, independently graded laboratory created diamonds. Specifically, Ada Diamonds is seeking to purchase synthetic diamonds that meet the following criteria:
Cut - Excellent or Ideal
Color - D, E, F, G, H
Clarity - SI1 or better
Carat Weight - 1 carat or larger
Fancy Colors - Blues and Pinks
Independent Certification - IGI New York, IGI Antwerp, IGI Dubai, or GCAL certification
Date of Certification - January 1st, 2016 or newer
Ada Diamonds does not purchase any precious metals, ungraded lab grown diamonds, natural (mined) diamonds, diamond simulants such as cubic zirconia, moissanite, or any other gemstones such as sapphires, aquamarine, etc.
Sellers must be U.S. residents acting in a personal capacity. Sellers must provide proof of purchase from a U.S. retailer as well as the original grading report from IGI or GIA. Read all of the Terms of the Ada Diamonds Public Purchase Program.
To see if your independently graded laboratory grown diamond is eligible for resale, please submit the form below and a member of the Diamond Concierge Team will respond within one business day.
If you purchased a lab diamond from Ada Diamonds previously, your lab diamond is automatically eligible for a financial offer at a higher rate than if you purchased from another lab diamond retailer.
Some exclusions apply such as purchases indicated as final sale or uncertified lab diamonds.