Embedding gems on to your gear is simple, but crafting them is another matter in Blue Protocol: Star Resonance.

Gemstones, including rubies, emeralds, and sapphires, can be sold for cash, much the same as diamonds and other jewelry. However, more often than not, those stones have very little resale value, ...

Geneva — An exceptionally rare blue diamond went under the hammer in Geneva Tuesday, selling for almost $44 million, making it one of the most expensive diamonds ever sold at auction, Christie's said.

Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity and ...