¥30,000 - ¥50,000

Additional fee: +40,000 yen Sale price¥40,000

1.758 ct Ruby Loose Stone from Vietnam with Identification Report Sale price¥49,800

イエローダイヤモンド 0.188ctルース(FANCY INTENSE YELLOW, VS1)

Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1) Sale price¥47,800

Mozambique Ruby 0.544ct Loose Stone with Certificate of Authenticity Sale price¥39,800

Additional charge: K18YG (base metal) + 10,000 yen Sale price¥37,000

1石から選ぶオーダーメイド《イヤリング・チェーンタイプ》申し込みページ～ Solo(ソロ) ～ - カラッツSTORE

Solo (Simple Order Earring Frame/Chain Type) Sale priceFrom ¥45,800

[Item 12564325] Kenya Gold Sheen Sapphire (Star Sapphire) 0.477ct Loose Gemstone Sale price¥35,800

[10/3 (Sat) 10:00 AM Deadline: Lottery Sale ①_02] Diamond (H&C) 4.3mm/0.318ct Loose Stone (H, SI-1, 3Excellent H&C) with CGL Certificate & Sarine Light Report Sale price¥45,800

K18WG エメラルド0.15ct・ダイヤモンド0.12ctペンダントトップ（ネックレストップ）鑑別書

[Item #22602732][Colori] K18WG Emerald & 0.12ct Diamond Pendant Top (Necklace Top) with Appraisal Report Sale price¥39,800

[10/11 10 PM Sale] Mozambique Aquamarine 3.541ct Loose Gemstone with Identification Report Sale price¥45,800

[10/13 10:00 PM Release] Tanzanian Cobalt Spinel 2.7mm/0.100ct Loose Stone with Identification Report Sale price¥39,800

[10/9 10 PM Sale] Russian Non-Oiled Emerald 0.061ct Loose Stone Sale price¥35,800

[Available 10/14 at 22:00] Russian Emerald 0.247ct Loose Gemstone Sale price¥49,800

K18WG ダイヤモンド 0.5ct クロスモチーフペンダントトップ（ネックレストップ）

[Posted on 22602705] [Colorful] K18WG Diamond 0.5ct Pendant Top (Necklace Top) Sale price¥35,800

[Available 10/7, 10 PM] Kochi Prefecture Blood Red Coral Loose Stone, 9.736ct Sale price¥39,800

[On sale 10/4 at 10 PM] Kochi Prefecture Blood Red Coral 7.253ct Loose Stone Sale price¥49,800

[10/3 10 PM Sale] Colombian Emerald 0.126ct Loose Gemstone with Appraisal Report Sale price¥39,800

[Available Oct 11, 10 PM] Colombian Pyrite and Mica in Emerald 0.432ct Loose Stone with Identification Report Sale price¥35,800

Pt900 スピネル 0.35ct・ダイヤモンド0.09ctペンダントトップ（ネックレストップ）鑑別書

[Item No. 22602792] [Colorify] Pt900 Spinel 0.35ct / Diamond 0.09ct Pendant Top (Necklace Top) with Appraisal Report Sale price¥39,800

K18WG ダイヤモンド 0.5ct ペンダントトップ（ネックレストップ）鑑別書

[Item 22602774] [Color-Full] K18WG 0.5ct Diamond Pendant Top (Necklace Top) with Appraisal Report Sale price¥35,800

[9/14 (Mon) 10:00 AM Deadline: Lottery Sale_08] Unheated Pigeon Blood Ruby 0.270ct Loose Stone AIGS Sale price¥48,800

[9/27 10:00 PM Release] Oregon Sunstone (USA) 6.9mm/1.094ct Loose Gemstone Sale price¥39,800

[Available 10/7, 10:00 PM] Colombian Emerald 0.145ct Loose Stone Sale price¥35,800

[Available 9/25, 10 PM] Pigeon Blood Ruby 3.6mm/0.220ct Loose Gemstone AIGS Sale price¥49,800

K18WG ブルーサファイアダイヤモンド0.051ctペンダントトップ（ネックレストップ）鑑別書

[22602720 listed] [Colorfury] K18WG Blue Sapphire Diamond 0.051ct Pendant Top (Necklace Top) with certificate Sale price¥39,800

[Available 9/22, 10 PM] Unheated Pigeon Blood Ruby 0.310ct Loose AIGS Sale price¥49,800

[On Sale 9/20 at 10 PM] [Colori] K18WG 0.09ct Diamond Treble Clef Motif Pendant Top (Necklace Top) Sale price¥39,800

【Listed as 12564080】Brazilian unheated purple-pink imperial topaz 0.343ct loose gemstone Sale price¥49,800

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

Andesine-Labradorite (commonly known as Rainbow Moonstone) from Madagascar, 1.742ct loose gemstone Sale price¥37,800

[Available 9/18, 10 PM] [Colorafuri] K10 Aquamarine Ring with Appraisal Report Sale price¥39,800

[Available 9/19 at 10:00 PM] 1.645ct Colombian Emerald Rough Stone Sale price¥49,800

【9/20 22:00 Release】 Madagascar Padparadscha Sapphire 3.6mm/0.281ct Loose Stone, DGL Certified Sale price¥35,800

[Available Sept. 21, 10:00 PM] Colombian Emerald 0.267ct Loose Gemstone Sale price¥39,800

Diamond 0.128ct loose stone (cabochon cut, maroon cut) Sale price¥45,800

非加熱ブラジル産パライバトルマリン 0.051ctルース（CuO:2.0%、MnO:2.3%）

Unheated Brazilian Paraiba Tourmaline 0.051ct loose stone (CuO: 2.0%, MnO: 2.3%) Sale price¥39,800

Namibian Dioptase 0.134ct Loose Stone, Japan-Germany Mirror Sale price¥49,800

[Available 9/14, 10 PM] Stibiotantalite from Afghanistan, 0.212ct loose stone, JGL certified Sale price¥39,800

[Available 9/12, 10:00 PM] Colombian Emerald 0.247ct Loose Gemstone Sale price¥39,800

[Available 9/11 at 10:00 PM] Mexican Fire Opal (faceted cut) 1.255ct loose stone Sale price¥49,800

[9/13 10:00 PM Release] Spanish Pink Cobalt Calcite 0.523ct Loose Stone with Gem Identification Report Sale price¥39,800

[Available 9/13, 10:00 PM] Spanish Pink Cobalt Calcite 0.443ct Loose Stone with Identification Report Sale price¥35,800

[Available 9/5 at 10 PM] Brazilian Paraiba Tourmaline 4.022ct Loose Gemstone Sale price¥45,800

Spanish Sphalerite 2.726ct loose stone Sale price¥32,800

Spanish bicolor sphalerite 3.504ct loose stone Sale price¥35,800

Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO) Sale price¥39,800

[Lottery Sale ②_9][Winners Only][Listing 12563396] Brazil Rutile (Single Crystal) 1.474ct Loose Stone with Certification Sale price¥39,800

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.