Presidium Gem Tester II Ring Mountings Because pink gold has a

Because pink gold has a high copper content

Sangers® Emery Inside Ring Shells are designed to smooth and polish the insides of rings with precision and ease

Can be used with extended and double-ended holders for deeper access to workpieces

Compatible with ring cutter blades 148

Presidium Gem Tester II Ring Mountings Because pink gold has aIs it a diamond or moissanite? Ruby or garnet? Sapphire or tanzanite? Emerald or jadeite? The Presidium Gem Tester II (PGT II) provides fast, laboratory proven answers for jewelers and gemologists working with both mounted and loose stones. This professional grade color stone estimator eliminates human error in gem identification by measuring the rate at which different gemstones conduct heat a physical property unique to each stone type. Simply touch