If you need a better understanding of the resale value of your diamond, we can help you for free. Visit Kambourian Jewelers Gem Lab located at 2501 Monument Ave Suite 211 Richmond, Va 23220, and we will show you the full trading price for your diamond. We are happy to purchase your stone or provide a free evaluation for your knowledge. We also show you the full value of your diamond before we make an offer. You have no obligation to sell, and all testing, grading, and estimates are free.