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[On sale from 10 PM on December 30th] Limited to 20 stones: One loose sphalerite stone from Spain [Multiple purchase discounts available] Sale price¥1,980

[Available at 10 PM on December 20th] Limited to 11 Stones: Montana Sapphire (Rock Creek Mine) Gacha! 1 Loose Stone (Oval Cut, 5x3mm) [Multiple Purchase Discounts Available] Sale price¥3,980

【12/31 22時販売】《限定15石》ブルー石ガチャ（ブラジル産パライバトルマリン0.157ct・ドイツ産アウイナイト3.5mm・トップクオリティのベニトアイト・パライバトルマリンインクォーツ4.5mm・カスタムカットのアクアマリン）《複数購入割引有》 Sale price¥6,980

Sold out

[Available at 10 PM on January 1st] Limited to 10 Blue Stones Gacha ① (Paraiba Tourmaline from Brazil, Paraiba Tourmaline from Mozambique, Auchenite and Benitoite from Germany) [Multiple purchase discounts available]

[Available at 10 PM on December 31st] [Limited to 20 stones] Brazilian Paraiba Tourmaline (Cabochon Cut, Approx. 2.2mm) [Multiple purchase discounts available] Sale price¥9,800

Sold out

パンダカットガチャ💎ブラジル産パライバトルマリン（0.226ct/CuO:0.7%,MnO:2.5%）1石・パンダカット5石《複数購入割引有》

Goshenite 1.989ct loose Sale price¥18,800

Goshenite 1.620ct loose Sale price¥15,800

Yellow sapphire from Sri Lanka 0.222ct loose Sale price¥9,800

Mexican water opal 0.212ct loose (contrarus opal) Sale price¥18,800

Bicolor sapphire from Madagascar 0.212ct loose Sale price¥7,980

Bicolor sapphire from Madagascar 0.198ct loose Sale price¥7,980

Bicolor sapphire from Madagascar 0.265ct loose Sale price¥16,800

Bicolor sapphire from Madagascar 0.252ct loose Sale price¥9,800

Pink tourmaline 0.205ct loose Sale price¥4,980

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

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

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 green sapphire 0.348ct loose Sale price¥9,800

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） 0.177ctルース

Andesine Labradorite (commonly known as Rainbow Moonstone) 0.177ct loose Sale price¥8,800

American benitoite 0.187ct loose Sale price¥39,800

American benitoite 0.098ct loose Sale price¥25,800

American benitoite 0.102ct loose Sale price¥22,800

American benitoite 0.133ct loose Sale price¥29,800

American benitoite 0.127ct loose Sale price¥28,800

American benitoite 0.101ct loose Sale price¥25,800

American benitoite 0.097ct loose Sale price¥24,800

[12/25 22:00] Mexican Fire Agate 8.033ct Loose Stone Sale price¥39,800

[12/25 22:00] Mexican Fire Agate 10.683ct Loose Stone Sale price¥59,800

[12/25 22:00] Mexican Fire Agate 14.193ct Loose Stone Sale price¥69,800

[12/25 22:00 Sale] Canadian Ammolite 17.043ct Loose Stone Sale price¥49,800

[12/25 22:00 Sale] Colombian Cat's Eye Emerald 1.121ct Loose Sale price¥49,800

[12/25 22:00 Sale] Colombian Cat's Eye Emerald 0.959ct Loose Sale price¥45,800

[12/25 10pm Sale] Indian Moonstone 5.0mm/0.474ct Loose Stone (Rose Cut) Sale price¥6,980

[12/31 22:00] Brazilian Pyrite in Quartz 6.992ct Loose Stone Sale price¥18,800

[12/30 22:00 Sale] Brazilian Pyrite in Quartz 4.153ct Loose Stone Sale price¥11,000

[On Sale at 10 PM on January 9th] German Auchenite 2.7mm/0.076ct Loose Stone Sale price¥29,800

[On sale at 10pm on January 9th] German Auchenite 0.083ct Loose Stone Sale price¥35,800

[On Sale at 10 PM on January 1st] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.221ct Loose Stone Sale price¥22,800

[1/1 10pm Sale] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone Sale price¥18,800

[On Sale at 10 PM on January 1st] Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.183ct Loose Stone Sale price¥18,800

[On Sale at 10 PM on January 9th] Brazilian Paraiba Tourmaline 0.115ct Loose Stone (CuO: 2.0%, MnO: 0.6%) Sale price¥59,800

[On Sale at 10 PM on January 9th] Brazilian Paraiba Tourmaline 0.361ct Loose Stone (CuO: 1.0%, MnO: 3.6%) Sale price¥198,000

[12/31 22:00 Sale] Pigeon Blood Ruby 5.0mm/0.580ct Loose Stone AIGS Sale price¥128,000

[12/31 22:00 Sale] Pigeon Blood Ruby 0.170ct Loose Stone AIGS Sale price¥39,800

[1/5 22:00 Sale] Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Qualification Sale price¥98,000

[On Sale at 10 PM on January 6th] Sri Lankan Blue Spinel 1.218ct Loose Stone with Certificate of Authenticity Sale price¥45,800

[1/4 22:00 Sale] Australian White Opal 1.175ct Loose Sale price¥9,800

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.

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.