Buy Sell or Cash Loaned. Gold Jewelry, Diamonds, Coins, Bullion, Silver, Sterling Flatware, Rolex Watches, Platinum, Designer Handbags. Lic# 5407-0988 Jewelers demonstrate finesse in their craft with the use of metals such as gold, silver and platinum in making beautiful pieces of jewelry like necklaces and bracelets. They may also polish jewelry for customers, fix damaged jewelry and even assess its worth and quality.