Since 1973 we have worked hard to earn our stellar reputation for fair and knowledgeable evaluations of rare coins, precious metals, estate jewelry, diamonds and watches. A+ rated by the Better Business Bureau, we are authorized dealers with  the Professional Coin Grading Service (PCGS) and the Numismatic Guaranty Corporation (NGC). We consistently submit precious and semi-precious stones to the Gemological Institute of America (GIA) for authentication and grading. GIA is the world's foremost authority on diamonds, colored diamonds, colored stones, and pearls.