June 15, 2026 There are three birthstones for August: peridot, sardonyx, and spinel. Their meaning, value, and how to choose them. Read now
June 15, 2026 What is a second piercing? Explanation of replacement timing, estimated period, and how to choose Read now
June 8, 2026 Thorough comparison of Paraiba tourmaline production areas ~Differences between Brazilian and African production~ Read now
June 6, 2026 What are Selby's "marginal discount items"? Why you can buy jewelry at the purchase price and a complete guide to how to use the two Okachimachi stores Read now
May 25, 2026 What is the value of blue diamonds? Explanation of market price and price of 1 carat Read now
May 25, 2026 How much does a red diamond cost? Thorough explanation of the market price of 1 carat Read now