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Our Guarantee

Our Products & Services

Forever 100% Value Guarantee


Diamond Foundry guarantees the value of your diamond forever.


You will receive a full credit for of the original purchase price of your diamond.


Any certified diamond larger than 1.0 carats purchased from Diamond Foundry that is set in an engagement ring, stud earrings, and pendant is eligible.


The credit is applicable three years from the purchase date.




- Upgrade credit is solely for the price paid for a diamond selected as part of an engagement ring and does not include the setting or duty or tax paid on the original purchase.


- All applicable duties and taxes will be charged on the full retail price of the new jewelry before any credit is applied


- Your diamond must be in its original condition with the original purchase receipt. Any damage to the original diamond may disqualify the diamond from this program.


Please email us at help@diamondfoundry.con to initiate a diamond credit.

ring size chart