Cushion cut

【11/20 22時販売】パパラチアサファイア 0.337ctルース DGL鑑 Sale price¥45,800

【11/19 22時販売】アフガニスタン産ハックマナイト 0.063ctルース Sale price¥8,800

[On sale at 10pm on 11/4] Pakistani Veirinite 0.068ct loose stone Sale price¥6,980

[On sale 11/8 at 22:00] Sri Lankan Hessonite Garnet 1.048ct Loose Sale price¥8,800

[On sale at 10pm on 10/19] Tanzanite from Tanzania 0.794ct loose stone Sale price¥19,800

[On sale at 10pm on 11/10] 1.892ct Mongolian color change andesine loose stone Sale price¥29,800

[On sale at 10pm on 14/10] 1.065ct loose pink tourmaline from Mozambique Sale price¥15,800

[On sale at 10pm on 14th October] Madagascar Aquamarine 1.056ct Loose Sale price¥19,800

[On sale at 10pm on 15th October] 1.779ct Spessartine Garnet Loose Stone from Madagascar Sale price¥29,800

Vietnam Cobalt Spinel (Color Shift) 0.014ct Loose Stone, Japan-Germany Exchange Sale price¥15,800

Vietnam Cobalt Spinel (Color Shift) 0.022ct Loose Stone, Japan-Germany Exchange Sale price¥25,800

Vietnam Cobalt Spinel (Color Shift) 0.036ct Loose Stone, Japan-Germany Exchange Sale price¥39,800

Vietnam Cobalt Spinel (Color Shift) 0.025ct Loose Stone, Japan-Germany Exchange Sale price¥25,800

Myanmar Taaffeite 0.470ct Loose GIT Sale price¥24,800

モザンビーク産エルバイトトルマリン 1.160ctルース（CuO:0.1%,MnO:2.3%）

Elbaite tourmaline from Mozambique 1.160ct loose stone (CuO: 0.1%, MnO: 2.3%) Sale price¥55,800

Blue sapphire 5.616ct loose stone, Nihon-Dokukan, listed in the gemstone encyclopedia Sale price¥498,000

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.416ctルース

Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.416ct Loose Stone Sale price¥25,800

ブラジル産ポンポンクォーツ（ラジエーテッドクリスタルインクォーツ） 7.686ctルース

Brazilian Pompon Quartz (Radiated Crystal in Quartz) 7.686ct Loose Sale price¥15,800

Tanzanite from Tanzania 0.800ct loose stone Sale price¥25,800

[Koshu Precious Stones plusthree] Amethyst 4.306ct Loose Stone Patch Sale price¥25,800

Tanzanite from Tanzania 1.295ct loose stone Sale price¥29,800

Tanzanite from Tanzania 0.789ct loose stone Sale price¥18,800

Tanzanite from Tanzania 2.011ct loose stone Sale price¥65,800

Brazilian Green Tourmaline 2.907ct Loose Stone Sale price¥98,000

Vietnam unheated silky pink sapphire 0.421ct loose stone Sale price¥29,800

[10/2 22:00 Sale] Nigerian Cobalt Garnite 0.233ct Loose Stone JTL Catalog Sale price¥45,800

Pakistani Veirinite 0.072ct loose stone Sale price¥19,800

Pakistani Veirinite 0.107ct loose stone Sale price¥29,800

Zimbabwean Apatite (UV type) 0.891ct loose stone Sale price¥12,800

Pakistani Veirinite 0.059ct loose stone Sale price¥13,800

Tanzanian Dragon Garnet 0.210ct Loose Stone Sale price¥6,980

Brazilian Santa Maria Aquamarine 0.190ct loose stone Sale price¥9,800

Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO) Sale price¥39,800

Pink diamond 0.072ct loose (FANCY DEEP PURPLE PINK, I1) Sale price¥69,800

Afghanistan Hackmanite 0.115ct loose stone Sale price¥8,800

Amazon Green Opal 1.372ct Loose (Faceted Cut) Sale price¥8,800

【スタッフセレクション】スピネル 0.658ctルース（セミオーダーメイドセット）

[Staff Selection] [Mr. KEN] Myanmar Spinel 0.658ct Loose (Semi-Custom Made Set) Sale price¥49,800

Myanmar Pink Taaffeite 0.340ct Loose GIT Sale price¥39,800

【スタッフセレクション】マラヤガーネット 1.136ctルース（セミオーダーメイドセット）

[Staff Selection] Malaya Garnet 1.136ct Loose Stone (Semi-Custom Made Set) Sale price¥49,800

[12550851] 2.944ct Mozambique pink tourmaline loose stone Sale price¥49,800

0.735ct Madagascar Purple Sapphire Loose Stone Sale price¥35,800

【スタッフセレクション】【KEN氏】ミャンマー産スピネル 0.482ctルース（セミオーダーメイドセッ

[Staff Selection] [Mr. KEN] Myanmar Spinel 0.482ct Loose (Semi-Custom Made Set) Sale price¥47,800

2.055ct Bicolor Sphalerite from Spain Sale price¥39,800

Nigerian teal green sapphire 1.049ct loose stone Sale price¥39,800

Brazilian Alexandrite 0.098ct loose stone Sale price¥15,800

Mozambique Elbaite Tourmaline 1.793ct Loose Stone Sale price¥49,800

Madagascar sphene 1.146ct loose stone Sale price¥29,800

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.177ct Loose Stone Sale price¥29,800

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.

KARATZ・Five Commitments