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Sold out [Limited time sale] Brazilian Santa Maria aquamarine 1 stone loose [Multiple purchase discount available]
Sold out [1 item left] Yuichiro Abe goods set [mug & compact mirror]
Sold out インド産アレキサンドライトキャッツアイ1石ルース《複数購入割引有》
Sold out {Only one left} Brazilian dendritic quartz, 1 loose stone {Multiple purchase discounts available}
Sold out 《Only one left》1 Mexican opal loose stone (fire opal, water opal, small size)《Multiple purchase discounts available》《For beginners》
Sold out [3 stones remaining] 1 rough Russian uvarovite garnet [Multiple purchase discounts available]
Sold out [Special offer] [Limited to 2 stones] 1 Australian black opal loose stone
Sold out 《With translation》1 unheated silky pink sapphire from Vietnam (round cut) 《Discount available for multiple purchases》
Sold out Weekend only: Afghanistan blue tourmaline (plus one double checkerboard Swiss blue topaz)
Sold out 《限定10石》エチオピア産ブラックオパール(加熱処理)1石ルース《複数購入割引有》
Sold out Limited to 10 stones: Sea blue chalcedony 1 loose stone (green) Multiple purchase discounts available
Sold out Limited to 10 stones: Blue diamond rough and loose stone set of 2 (treated) Multiple purchase discount
Sold out Limited to 10 stones: 1 Golden Iolite (Cordierite) stone from Madagascar. Discounts available for multiple purchases.
Sold out Limited to 10 stones: 1 Golden Iolite (Cordierite) stone from Madagascar. Discounts available for multiple purchases.
Sold out Limited to 10 stones: Madagascar Phenakite (Rutile with needle-like inclusions) 1 loose stone Multiple purchase discounts available
Sold out Limited to 10 stones: Madagascar Phenakite (Rutile with needle-like inclusions) 1 loose stone Multiple purchase discounts available
Sold out Limited to 11 stones: 1 loose pink spinel from Mahenge, Tanzania (trillion cut, 2.5mm) Discounts for multiple purchases
Sold out [Limited to 11 stones] 1 stone of Brazilian moss agate [Discount available for multiple purchases] (Mr. Sanjay cut)
Sold out ベトナム産コバルトスピネル1石ルース
Sold out Limited to 12 sets: Mozambique almandine garnet 2 stones (rough stone + loose stone) set (January birthstone) Multiple purchase discounts available

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.