¥10,000 - ¥30,000

[On sale July 15, 10 PM JST] Tanzanian Bi-Color Grossular Garnet, 0.882ct Loose Stone Sale price¥22,800

【Sale starts 10 PM on July 3rd】Tanzanian Bicolor Grossular Garnet 0.779 ct Loose Stone Sale price¥19,800

[On Sale July 9, 10 PM JST] Bicolor Grossular Garnet from Tanzania 0.839ct Loose Stone Sale price¥19,800

イエローダイヤモンド 0.262ctルース(UNDER S(LIGHT YELLOW), VS1)

[On sale July 4th at 10 PM] Yellow Diamond 0.262ct Loose (LIGHT YELLOW, VS1, Princess Cut) Sale price¥25,800

[Available 7/4 10 PM JST] Diamond 3.0mm/0.100ct Loose Stone (E, VVS-2, VeryGood) Sale price¥22,800

[On Sale July 4th at 10 PM] Diamond 3.8mm/ 0.198ct Loose Stone (D, VVS-2, Very Good) Sale price¥29,800

【Sales start July 22nd, 10 PM JST】Malawi Moonstone 2.114ct Loose Stone Sale price¥12,800

[On sale July 22nd at 10 PM] Malawi Moonstone 2.001ct Loose Gemstone Sale price¥12,800

[Item 12563407] Afghan Green Hauyne 0.075ct Loose Stone Sale price¥29,800

Limited 5 Stones: Synthetic Alexandrite Gacha (Princess Cut, 3.5-4.5mm) (Multi-Buy Discount Available) Sale price¥17,800

[Posted on 12563395] Tanzanian Pink Spinel 0.148ct Loose Gemstone Sale price¥22,800

[Published on 12563384] Tanzanian Zircon 2.053ct Loose Sale price¥19,800

[Listing 12563380] Unset 1.077ct Tanzanian Zircon Sale price¥12,800

[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

Sold out

[12563393 listed] Tanzanian Red Spinel 0.098ct Loose Stone

[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

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.