Under ¥5,000

Brazilian Dumortierite in Quartz 0.387ct loose stone Sale price¥3,980

Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》 Sale price¥3,980

《Limited to 10 stones》Plumeria cut carving (Peridot, Blue Topaz, Citrine, Rose Quartz) 1 stone 《Bulk purchase discount available》 Sale price¥1,980

Limited to 20 Pieces: Spanish Sphalerite Loose Stone (Average 0.50ct) - Volume Discount Available Sale price¥2,580

Tucson New Arrivals / Limited to 28 Stones: Australian Andamooka Black Matrix Opal (Carbon Treated) 1 Loose Stone (Multi-purchase Discount Available) Sale price¥3,980

Tucson New Arrivals / Limited 18 Pieces / Peruvian Blue Opal, 1 piece / Bulk Purchase Discount Available Sale price¥3,980

Oregon Sunstone 0.217ct loose Sale price¥4,980

Oregon Sunstone 0.226ct loose Sale price¥4,980

New Arrival in Tucson - Limited to 5 Stones - Brazilian Limonite Topaz, Average 2.8cts (Multiple Purchase Discounts Available) Sale price¥2,980

《New from Tucson, Limited to 17 Stones》High-transparency, high-quality Dumortierite in Quartz from Brazil《Multiple purchase discount available》 Sale price¥3,980

《New Tucson Arrivals - Limited to 13 Stones》Mexican Opal, including B-grade stones (Egg-in-Opal and Water Opal) 《Multiple Purchase Discount Available》 Sale price¥2,980

Australian rainbow lattice sunstone 0.378ct loose Sale price¥4,980

Australian rainbow lattice sunstone 0.498ct loose Sale price¥2,980

Australian rainbow lattice sunstone 0.449ct loose Sale price¥4,980

Australian rainbow lattice sunstone 0.354ct loose Sale price¥4,980

[Available at 10 PM on February 15th] [Limited to 150 stones - New in Tucson] Brazilian Alexandrite Loose Stone (Top Quality, Melee Size, Hemachita Mine) [Multiple Purchase Discounts Available] Sale price¥3,980

Australian rainbow lattice sunstone 0.587ct loose Sale price¥4,980

Australian rainbow lattice sunstone 0.378ct loose Sale price¥3,980

《Limited to 21 Stones》Conch Pearl & Shell Gacha from the Dominican Republic, including Flame Pattern, 1 Stone Loose《Multi-purchase Discount Available》 Sale price¥3,980

Limited to 6 stones: Brazilian dendritic quartz (new to Tucson, average 2.5 carats) [Multiple purchase discounts available] Sale price¥3,980

《Limited to 12 Stones》New Tucson Arrival: High-Quality Brazilian Dumortierite in Quartz (Faceted Cut)《Multiple Purchase Discount Available》 Sale price¥4,980

[Available at 10 PM on January 24th] Limited to 18 stones: Golden Hill Turquoise from Kazakhstan (December birthstone, average 1.3 carats) [Multiple purchase discounts available] Sale price¥2,980

Limited to 18 Stones: 3mm Rhodolite Garnet from Sri Lanka, 1 stone loose. Discounts for multiple purchases. Sale price¥2,980

《Limited to 13 stones》3.5mm Sri Lankan Rhodolite Garnet loose stone (Mr. Sanje's cut) 《Multiple purchase discount available》 Sale price¥3,980

Limited to 9 stones! Includes Koshu Kiriko plus three citrine gacha, normally priced at 29,800 yen. Discounts available for multiple purchases. Sale price¥2,980

Limited Edition Tucson Lucky Dip Gems 💎 Guaranteed 1 stone from 8 types (Benitoite, Anthill Garnet, Dumortierite in Quartz, Eudialyte, etc.) 《Multi-purchase discount available》 Sale price¥3,980

Limited to 13 stones: Mexican Opal (Cabochon Cut) Gacha (Multiple purchase discounts available) Sale price¥2,980

《Limited to 10 Stones》Beautiful Pink Brazilian Morganite Loose Stone 《Bulk Purchase Discount Available》 Sale price¥2,980

<<Limited to 18 Stones>> Golden Hill Turquoise from Kazakhstan (Turquoise, December Birthstone, Average 1.3ct) <<Multiple Purchase Discount Available>>

<> Golden Hill Turquoise from Kazakhstan (Turquoise, December Birthstone, Average 1.3ct) <> Sale price¥2,980

Myanmar orange jade (jade) 0.584ct loose Sale price¥4,980

Oil-in-quartz 22.073ct rough stone from Madagascar Sale price¥4,980

Cambodian Blue Zircon 0.205ct Loose Sale price¥3,980

Cambodian Blue Zircon 0.204ct Loose Sale price¥3,980

Cambodian Blue Zircon 0.221ct Loose Sale price¥3,980

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） 0.167ctルース

Andesine Labradorite (also known as Rainbow Moonstone) 3.6mm/0.167ct loose stone Sale price¥4,980

Mint color tourmaline 0.198ct loose Sale price¥4,980

Mint color tourmaline 0.229ct loose Sale price¥4,980

Pink tourmaline 0.205ct loose Sale price¥4,980

Tourmaline cat's eye 0.910ct loose Sale price¥4,980

Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose Sale price¥3,980

Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose Sale price¥3,980

Limited to 14 stones: Brazilian dendritic quartz loose stone (average 7 carats) Multiple purchase discounts available Sale price¥2,980

0.447ct Loose Chrysoberyl Cat's Eye from Sri Lanka Sale price¥3,980

Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases. Sale price¥1,580

[12545123 published] Yellow Beryl 0.696ct loose Sale price¥3,980

Limited to 9 stones: 1 rough petalite stone from Myanmar (average 6.0 carats) Multiple purchase discounts available Sale price¥2,980

Limited to 7 stones: One loose colorless apatite from Madagascar (with appraisal certificate for each stone, average 0.60 carat) Discounts available for multiple purchases Sale price¥4,980

Limited Quantity: Madagascar Neon Blue Apatite Rough Stone (Average 2.2ct) Multiple Purchase Discounts Available Sale price¥1,280

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.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.