Pink ChalcedonyA pink chalcedony shows ... allowing beryl to form semiprecious stones such as aquamarine. Minerals and gems are classified by their physical properties, including hardness, luster ...

Three jewellery industry associations have released a joint statement expressing concern about the presence of irradiated rubies and sapphires in the global market.

In fact, pink diamonds are among the rarest but most in demand gems in the global market ... according to Sotheby’s. The stone itself is 14.83 carats. However, the original stone found in ...

While this gemstone is well-known for its colorless or white variety, there are colored diamonds, such as the famous Hope diamond. Diamonds can also come in black, blue, green, pink ...

Last week, IOL reported that PP Gemstones claimed that it is the sole permit holder of sugilite, a relatively rare pink to purple ... its full rights as certified gemstone mining company.