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Sold out 1 Tanzania Windsor Sapphire (Multiple purchase discounts available)
Sold out タンザニア・ウィンザー産パープルサファイア 0.387ctルース
Sold out タンザニア産バイカラーサファイア 0.276ctルース
Sold out 0.288ct loose purple sapphire from Windsor, Tanzania
Sold out Bicolor sapphire 0.256ct loose from Windsor, Tanzania
Sold out Bicolor sapphire 0.352ct loose from Windsor, Tanzania
Sold out Bicolor sapphire 0.485ct loose from Windsor, Tanzania
Sold out Bicolor sapphire 0.446ct loose from Windsor, Tanzania
Sold out Limited to 12 stones: 1 bicolor sapphire (slice) from Windsor, Tanzania. Discounts available for multiple purchases.
Sold out タンザニア・ウィンザー産バイカラーサファイア 1.230ctルース
Sold out タンザニア・ウィンザー産バイカラーサファイア 0.324ctルース
Sold out 1 bicolor sapphire from Windsor, Tanzania, loose (round cut)《Discount available for multiple purchases》
Sold out タンザニア・ウィンザー産バイカラーサファイア1石ルース(オーバルカット)《複数購入割引有》
Sold out 1 loose bicolor sapphire from Windsor, Tanzania (marquise cut, 4.5 x 2.5 mm)《Discount available for multiple purchases》
Sold out タンザニア・ウィンザー産バイカラーサファイア 1.101ctルース
Sold out タンザニア・ウィンザー産バイカラーサファイア 1.285ctルース
Sold out バイカラーサファイア 0.330ctルース

KARATZ Custom Made

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.