¥10,000 - ¥30,000

[12563374 Posted] Bicolor Euclase from Zimbabwe, 0.055ct Loose Stone Sale price¥14,800

Sierra Leonean Rough Diamond (Sawable) 0.072 ct. [12563273 Listed] Sale price¥22,800

[Listed as 22602651] [Colorful] K9 Ruby Pendant Top (Necklace Top) Sale price¥19,800

[Published on 22602650] [Colorful] K9 Blue Sapphire Pendant Top (Necklace Top) Sale price¥18,800

Kochi Prefecture Aka Sango (Red Coral) 10.209ct Loose Stone Sale price¥29,800

[On Sale July 10 at 10 PM JST] Tanzanian Mahenge Spinel (Pink Spinel) 0.333ct Loose Stone with Gemological Report Sale price¥29,800

[Listed 12563403] Petzottaite from Madagascar 0.200ct Loose Sale price¥29,800

[On sale July 10 at 10 PM JST] Brazilian Dumortierite in Quartz, 4.152 ct loose stone Sale price¥25,800

オーストラリア産オーストラリア産レインボーラティスサンストーン 2.208ctルース

[Sale on 7/10 at 10 PM] Australian Rainbow Lattice Sunstone 2.208ct Loose Stone Sale price¥22,800

[On sale July 16th, 10 PM JST] American Oregon Sunstone 7.0mm/1.224ct Loose Stone Sale price¥28,800

[On sale July 10th at 10 PM] Brazilian Dumortierite in Quartz 1.684 ct Loose Stone Sale price¥12,800

オーストラリア産オーストラリア産レインボーラティスサンストーン 2.902ctルース

[Sale on July 10th at 10 PM] Australian Rainbow Lattice Sunstone 2.902ct Loose Sale price¥29,800

[On sale July 13, 10 PM] Australian Rainbow Lattice Sunstone 2.073ct Loose Gemstone Sale price¥15,800

[Available July 11, 10 PM JST] Kenya Bi-Color Grossular Garnet 0.809 ct Loose Stone Sale price¥25,800

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 2.858ctルース

[On sale July 11, 10 PM] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 2.858ct Loose Stone Sale price¥25,800

[On sale 7/12 at 10 PM] Colombian Emerald 0.135ct Loose Stone - Houki-kyo Sale price¥29,800

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.108ctルース

[On sale July 15 at 10 PM] Brazilian Tinkerbelle Quartz (Pink Fire Quartz) 3.108ct Loose Stone Sale price¥29,800

[On sale July 14th at 10 PM] Malawi Moonstone 2.199ct Loose Sale price¥12,800

【Sale on 7/15 at 10 PM】Malawi Moonstone 2.155ct Loose Sale price¥12,800

[On sale July 12th at 10 PM] Malawi Moonstone 2.184ct Loose Sale price¥13,800

【On sale 7/16 10PM】Moonstone from Malawi (Malawi Moonstone) 2.102ct Loose Stone Sale price¥14,800

[Sales start: 10 PM, July 14th] Malawi Moonstone (Malawi Moonstone) 3.158ct Loose Gemstone Sale price¥18,800

【Sale starts at 10 PM on July 14th】Malawi Moonstone (Malawi Moonstone) 2.598ct Loose Stone Sale price¥16,800

【On sale July 12th at 10 PM】Malawian Moonstone (Malawi Moonstone) 1.980ct Loose Sale price¥11,000

[On sale July 15 at 10 PM] Madagascar Grandidierite 0.171ct Loose Gemstone with Certificate Sale price¥29,800

[Sale on 7/15 at 10 PM] Brazilian Green Tourmaline 0.770ct Loose Stone with Certification Sale price¥25,800

[On sale July 11th at 10 PM] Brazilian Amphibole-in-Danburite 2.251ct Loose Stone with Japanese and German Identification Sale price¥29,800

[On Sale 10 PM, July 11] Brazilian Amphibole in Danburite, 1.361ct Loose Sale price¥14,800

[On sale July 12th at 10 PM] Synthetic Rutile 4.3mm/0.447ct Loose Gemstone Sale price¥12,800

Jeremejevite 0.061ct loose stone Sale price¥18,800

タンザニア産アヤナスピネル（ホットピンクスピネル）3.0mm/ 0.107ctルース

[Sale on 7/22 at 10 PM] Tanzanian Ayana Spinel (Hot Pink Spinel) 3.0mm/ 0.107ct Loose Stone Sale price¥18,800

[On sale July 22nd, 10 PM JST] Colombian Bicolor Emerald 0.824ct Loose Gemstone Sale price¥25,800

[Sales start July 20th, 10 PM JST] [Colorflee] K18 Diamond 0.15ct Pendant Top (Necklace Top) Sale price¥29,800

[On sale July 19 at 10 PM] Sri Lankan Uva Moonstone 0.974ct Loose Gemstone Sale price¥12,800

[On sale July 19 at 10 PM JST] Tanzanian Zoisite 4.9mm/0.472ct Loose Stone Sale price¥15,800

[On sale July 19th at 10 PM] Tanzanian Kornerupine 0.196ct Loose Stone Sale price¥15,800

[Sale on July 19 at 10 PM] Sri Lankan Uva Moonstone 7.7mm/1.763ct Loose Gemstone Sale price¥19,800

【Sales Start: July 19, 10 PM JST】Mexican Danburite Loose Stone 4.146ct Sale price¥29,800

[Sale July 18, 10 PM JST] Australian Rainbow Lattice Sunstone 4.133 ct Loose Stone Sale price¥28,800

[On Sale July 19th, 10 PM JST] Nepali Kyanite 0.477ct Loose Stone Sale price¥12,800

[On sale July 19th at 10 PM] Nepal Bi-Color Kyanite 0.526ct Loose Stone Sale price¥15,800

[On sale July 19 at 10 PM JST] Tanzanian UV-type Grossular Garnet 0.294ct Loose Sale price¥25,800

[Sale on 7/19 at 10 PM] Brazilian Yellow Beryl 1.472 ct Loose Stone Sale price¥19,800

[Sale July 19 at 10 PM] Synthetic Rutile 5.3mm/0.844ct Loose Stone Sale price¥13,800

[Sales from 22:00 on July 18] Brazilian Lavender Quartz (Scoletite) 1.266ct Loose Sale price¥12,800

[On Sale 7/18 at 10 PM] US Oregon Sunstone 1.032ct Loose Stone Sale price¥25,800

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） 0.650ctルース

[On sale July 20 at 10 PM] Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture, 0.650ct Loose Stone Sale price¥16,800

[On sale July 19 at 10 PM] Brazilian Rose Quartz 8.7mm/2.536ct Loose Stone Sale price¥11,800

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.