Does the subject want to ask, "What is the discount on the recovery of the winning number, jewelry and diamond ring with 50 cents?" About 30% off. Diamond, namely diamond, is a carbon element after high pressure, an octahedral crystal, and is composed of elemental carbon. It is the hardest gem in the world. Winning numbers Jewelry's 50-cent diamond ring is recycled at a price of about 30% depending on the quality and fineness.