In reality, there are many gemstones rarer than diamond.. As a result, these gems often achieve more vivid reds with much stronger fluorescence than their Thai. Named after Czar Alexander, this variety of chrysoberyl is still a rare stone
It is clear that most gemstones are colored while most diamonds on the market are colorless or have a. They are also more expensive than most other stones.
Some of these stones are so incredibly rare their value outstrips many of the. gems (diamond, ruby, sapphire, and emerald) are numerous semi-precious stones,. . well-cut benitoite stone at over 2 carats can fetch more than $10,000 a carat.
A gemstone is a piece of mineral crystal which, in cut and polished form, is used to make. In modern use the precious stones are diamond, ruby, sapphire and emerald, with all other gemstones being semi-precious.. inexpensive, a green garnet called tsavorite can be far more valuable than a mid-quality emerald.