The Finest Engagement Ring Brands
Choosing an engagement ring is a significant milestone in one’s life journey, and finding the perfect brand can make this experience even more memorable. Some brands stand out among the…
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...