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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

Fluorite 17.87ct loose Sale price¥7,980

Amethyst 34.015ct loose Sale price¥14,800

Sold out タンザニア産アンデシン・ラブラドライトムーンストーン(通称名 レインボームーンストーン) 1.266ctルース
Sold out Limited to 2 stones: 1 loose Brazilian Tinkerbell Quartz (average 2.1ct) Multiple purchase discounts available
Sold out Limited to 4 stones: Ethiopian black opal (heat-treated, identification instructions included) 1 loose stone (multiple purchase discounts available)
Sold out ブラジル産クリソベリルキャッツアイ 1.242ctルース
Sold out グリーントルマリン 5.854ctルース
Sold out ピンクトルマリン 1.065ctルース
Sold out クリソプレーズ 5.280ctルース
Sold out マダガスカル産スペサルティンガーネット 1.315ctルース
Sold out グレースピネル(プラチナスピネル) 0.557ctルース
Sold out グレースピネル(プラチナスピネル) 0.515ctルース
Sold out アメリカ産オレゴンサンストーン 0.527ctルース(プリンセスカット)
Sold out オレゴンサンストーン 0.417ctルース
Sold out ロシア産アレキサンドライト 0.160ct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.