New stock

"Yurakucho Marui 2024112 Carry-out" Pt950 Myanmar spinel 0.18ct 0.22ct earrings Sale price¥59,800

K18PGマダガスカル産ピンクサファイア0.24ct0.25ctピアス（アッシャーカット）

《Yurakucho Marui 2024112 takeout》K18PG Madagascar pink sapphire 0.24ct 0.25ct earrings (Asscher cut) Sale price¥59,800

《Yurakucho Marui 2024112 take-out》K18YG Cognac Topaz 1.135ct Diamond Ring Sale price¥89,800

《Yurakucho Marui 2024112 take-out》K18YG red beryl 0.103ct pink diamond ring Sale price¥128,000

Pt950ナイジェリア産モルガナイト0.522ct・ロードライトガーネットリング

"Yurakucho Marui 2024112 Takeout" Pt950 Nigerian Morganite 0.522ct Rhodolite Garnet Ring Sale price¥79,800

K18WGチベット産カラーチェンジアンデシン0.764ct・ヘソナイトガーネットリング

《Yurakucho Marui 2024112 takeout》K18WG Tibetan color change andesine 0.764ct hessonite garnet ring Sale price¥98,000

《Yurakucho Marui 2024112 takeout》Madagascar Grandidierite 0.521ct loose stone Sale price¥128,000

Australian black opal 0.675ct loose stone Sale price¥24,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.911ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.911ct loose stone Sale price¥39,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.742ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.742ct loose stone Sale price¥37,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 1.099ctルース

Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 1.099ct loose stone Sale price¥8,800

Madagascar Purple Sapphire 0.232ct Loose Sale price¥12,800

Limited to 18 stones: Myanmar spinel (3.5mm, pentagonal cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980

Limited to 6 stones: Russian phenakite (round cut, 3.3mm) 1 loose stone. Discounts available for multiple purchases. Sale price¥8,800

Australian Boulder Opal 0.768ct Loose Sale price¥12,800

Brazilian parti-color tourmaline 2.702ct loose stone Sale price¥69,800

【甲州貴石切子plusthree】ロッククリスタル 15mm/10.059ctルース《昴×灯》(ダブル切子タイプ) ワッペン

[Koshu Precious Stone Cut Plusthree] Rock Crystal 15mm/10.059ct Loose Stone "Subaru x Hikaru" (Double Cut Type) Patch Sale price¥45,800

Brazilian rhodonite 3.224ct loose stone Sale price¥98,000

Colombian emerald cat's eye 0.690ct loose stone Sale price¥39,800

Australian black opal 9.709ct loose stone Sale price¥158,000

Tanzanian pink zircon 3.069ct loose stone Sale price¥49,800

Czech Aragonite 8.0mm/2.082ct Loose Stone Sale price¥69,800

Brazilian Rubellite 3.845ct loose stone Sale price¥198,000

Brazilian Paraiba Tourmaline 0.208ct loose stone Sale price¥49,800

Brazilian Paraiba Tourmaline 0.211ct loose stone Sale price¥49,800

Indian Rainbow Quartz (Iridescent Quartz) 0.940ct Loose Stone Sale price¥158,000

Tanzanian bicolor sapphire 0.818ct loose stone (tricolor sapphire) Sale price¥198,000

ダイヤモンド 3.6mm/0.189ctルース（カボションカット、バイカラー蛍光）

Diamond 3.6mm/0.189ct loose (cabochon cut, bicolor fluorescent) Sale price¥49,800

Diamond 0.128ct loose stone (cabochon cut, maroon cut) Sale price¥39,800

Limited to 5 stones: 1 synthetic moissanite loose stone (Sanjay cut hexagonal, 6mm) Multiple purchase discounts available Sale price¥8,800

Limited to 6 stones: 1 loose black diamond (rose cut, 5mm) Multiple purchase discounts available Sale price¥6,980

Limited to 6 stones: Brazilian Medusa Quartz (Paraiba Quartz) cat cut 1 stone loose (6mm) Multiple purchase discount available Sale price¥7,980

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.777ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.777ct loose stone Sale price¥39,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.885ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.885ct loose stone Sale price¥39,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.874ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.874ct loose stone Sale price¥39,800

Madagascar pink sapphire 0.307ct loose stone Sale price¥12,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 2.261ctルース

Rainbow Garnet (Andradite Garnet) 2.261ct Loose Stone from Tenkawa Village, Nara Prefecture Sale price¥9,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 1.497ctルース

Rainbow Garnet (Andradite Garnet) 1.497ct Loose Stone from Tenkawa Village, Nara Prefecture Sale price¥9,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.843ctルース

Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 5.1mm/0.843ct Loose Stone Sale price¥6,980

Spanish Andalusite 0.776ct loose stone Sale price¥11,800

Spanish Sphalerite 8mm/2.796ct loose stone Sale price¥69,800

Russian Phenakite 5mm/0.448ct Loose Stone Japan-Germany Sale price¥18,800

Russian Phenakite 5mm/0.477ct Loose Stone Sale price¥18,800

ブラジル産パライバトルマリン 0.620ctルース（CuO：2.72%,MnO：4.93%）GIA&中宝分析

《Yurakucho Marui 2024112 takeout》Brazilian Paraiba Tourmaline 0.620ct loose stone (CuO: 2.72%, MnO: 4.93%) GIA & Chuho analysis Sale price¥1,580,000

Fluorite rough stone from Yaogangshan, China, 72.518ct Sale price¥9,800

Colombian pyrite-mica emerald 0.244ct loose stone Sale price¥12,800

Colombian Mica in Emerald 0.341ct Loose Stone Sale price¥18,800

Colombian pyrite-mica emerald 0.562ct 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