Fire opal 1.300ct loose
Sale price¥9,800
Opal 1.120ct loose
Sale price¥6,980
Fire opal 1.030ct loose
Sale price¥8,800
Opal 0.860ct loose
Sale price¥5,980
Fire opal 0.490ct loose
Sale price¥3,980
Fire opal 0.400ct loose
Sale price¥3,980
Fire opal 52.470ct loose
Sale price¥69,800
Red beryl 0.128ct loose
Sale price¥48,800
Red beryl 0.128ct loose
Sale price¥45,800
Red beryl 0.127ct loose
Sale price¥49,800
Red beryl 0.100ct loose
Sale price¥35,800
Tanzanite 6.320ct loose
Sale price¥128,000
Benitoite 0.076ct loose
Sale price¥25,800
Benitoite 0.075ct loose
Sale price¥25,800
Benitoite 0.074ct loose
Sale price¥19,800
Beryl 0.678ct loose stone
Sale price¥5,980
Sphene 0.540ct loose
Sale price¥12,800
Sphene 2 stone pair 0.490ct loose
Sale price¥12,800
Sphene 2 stone set 0.480ct loose
Sale price¥12,800
[Mr. Takeshi Yamamoto] Rock crystal 12.727ct loose
Sale price¥49,800
[Mr. Takeshi Yamamoto] Rock crystal 19.20ct loose
Sale price¥128,000
[E_27 Yurakucho Marui Take-out] Alluraria black opal 2.530ct loose
Sale price¥29,800
Diamond loose/certificate transfer fee
Sale price¥5,000
Bicolor tourmaline 0.401ct loose
Sale price¥12,800
Fluorite 17.87ct loose
Sale price¥7,980
Amethyst 34.015ct loose
Sale price¥14,800
Amethyst 27.666ct loose (horsehead cut)
Sale price¥14,800
Bicolor chrysoberyl 0.864ct loose
Sale price¥8,800
[Jeweler's Tools] Color change penlight loose set
Sale price¥4,980
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
[Jeweler's Tools] White penlight (for loose), loose 3-piece set
Sale price¥5,980

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.