クンツァイトの歴史と伝承
Kunzite is a relative newcomer to the array of colored stones available for use in jewelry.
ジルコンの歴史と伝承
Many people have heard of zircon but never seen it. This is mostly because of colorless zircon’s wide use as a diamond simulant in the early 1900s.
琥珀について
Amber formed tens of millions of years ago, when sap from ancient trees hardened and fossilized.
ジルコンについて
Zircon occurs in an array of colors. Its wide and varied palette of yellow, green, red, reddish brown, and blue hues makes it a favorite among collectors as well as informed consumers.
アメシストのお手入れとクリーニングガイド
Learn about amethyst's durability and how to care for your amethyst jewelry.

サファイアのお手入れとクリーニングガイド
Learn about sapphire's durability and how to care for your sapphire jewelry.
サファイアの歴史と伝承
Traditionally, sapphire symbolizes nobility, truth, sincerity, and faithfulness.
