Biggest Gemstones in the World – Pawn Jewelry Boca Raton The Ophir Collection has been recognized by the Guinness Book of World Records. The Delaware based Ophir Collection LLC includes a rare collection of 40 rare gemstones, nine of which are the largest known specimens in the world. All of the stones have been recognized and… Continue reading Biggest Gemstones in the World – Pawn Jewelry Boca Raton