Amazon.com: New 1 Row Tennis Necklace Choker Chain Lab 。One 18\" Chain Real Lab Diamonds & Gold Plated 4x\'s Waterproof, No Tarnish Stainless Steel w/Shine Protection Warranty \"Look like Money without Overspending\" Yes, Real Diamonds, but NOT worth much because they\'re LAB PRODUCED. They do Pass some diamond testers, but definitely NOT ALL, because these are only Lab Diamonds. Some testers are only setup to read Natural Earth Diamonds. Therefore, you will not be able to trick a Pawn Shop or Jeweler that specializes in Natural Earth Diamonds. Long Lasting Quality Control *Clean with Jewelry Rag or Mild Soap & never use harsh chemicals. Positive Reviews Thank you for shopping with Queenie