Australian Boulder Opal 0.768ct Loose
Sale price¥12,800
Australian Boulder Opal 23.164ct Loose
Sale price¥128,000
Australian boulder opal 1.730ct loose
Sale price¥9,800
Australian boulder opal 6.980ct loose
Sale price¥7,980
Australian boulder opal 4.470ct loose
Sale price¥29,800
Australian boulder opal 3.695ct loose
Sale price¥15,800
Australian boulder opal 1.552ct loose
Sale price¥12,800
Australian boulder opal 2.470ct loose
Sale price¥8,800
Australian boulder opal 4.729ct loose
Sale price¥19,800
Australian boulder opal 1.026ct loose
Sale price¥6,980
Australian boulder opal 1.027ct loose
Sale price¥6,980
Australian boulder opal 0.874ct loose
Sale price¥4,980
Australian boulder opal 0.721ct loose
Sale price¥5,980
Australian boulder opal 1.156ct loose
Sale price¥5,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
Australian boulder opal 0.982ct loose
Sale price¥6,980
Australian boulder opal 1.868ct loose
Sale price¥29,800
Australian boulder opal 1.675ct loose
Sale price¥29,800
Australian boulder opal 28.880ct loose
Sale price¥69,800
Australian boulder opal 13.190ct loose
Sale price¥19,800
Australian boulder opal 14.860ct loose
Sale price¥19,800
Australian boulder opal 9.020ct loose
Sale price¥19,800
[Colorful] K18 boulder opal 3.290ct diamond ring
Sale price¥79,800
Boulder opal 1.640ct loose
Sale price¥19,800
Boulder opal 41.770ct loose
Sale price¥39,800
Boulder opal 17.450ct loose
Sale price¥29,800
Boulder opal 15.020ct loose
Sale price¥29,800
Boulder opal 12.220ct loose
Sale price¥19,800
Boulder opal 6.160ct loose
Sale price¥25,800
Boulder opal 4.980ct loose
Sale price¥29,800
Boulder opal 4.720ct loose
Sale price¥29,800
Boulder opal 7.680ct loose
Sale price¥29,800
Australian boulder opal 3.930ct loose
Sale price¥39,800
[Colorful] Pt900 Boulder Opal 15.82ct Pendant Top (Necklace Top)
Sale price¥69,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.