Purchasing an Engagement Ring Remotely
Whether you are in the market or know someone who is (or will be), you should know how game-changing online shopping has become. In today’s digital age, purchasing an engagement…
by Peter Yantzer, CG American Gem Society Laboratories Gemstone cutters can tilt or 'index' the upper half ( or upper girdle ) facets. This indexing produces different amounts of weight retention from a given piece of rough and produces different optical performance effects. Indexing can also affec...