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 affect cr...
PriceScope provides detailed monthly insights into the natural diamond market, serving consumers, traders, and industry professionals. This report explores April’s diamond price fluctuations, driven by key market factors, and offers…
Three-stone engagement rings are a meaningful and elegant choice that blend symbolism with timeless design. Often referred to as “past, present, and future” rings, they feature a central stone flanked…
PriceScope delivers a detailed monthly analysis of the natural diamond market, presenting critical insights for prosumers, traders, and industry professionals. This report examines the shifts in natural diamond pricing throughout…
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