¥30,000 - ¥50,000

[On Sale May 22 at 10 PM JST] Australian Black Opal 1.393ct Loose Stone Sale price¥48,800

[On sale May 14 at 10 PM] Colorful WISH UPON A STAR® 3.5mm/0.166ct/F/VS1 Diamond with Certificate Sale price¥39,800

[On sale May 15th, 10 PM JST] Brazilian Lazulite (0.052ct Loose Stone) with Certification Sale price¥32,800

[On sale May 12, 10 PM JST] Tanzanian Lavender Tanzanite 1.415ct Loose Stone Sale price¥45,800

[On sale May 10th, 10 PM] Scheelite from Sichuan Province, China 1.066ct Loose Stone with Certification Sale price¥39,800

[On sale May 23rd at 10 PM] Diamond 3.4mm/0.141ct Loose Stone (E, VVS-2, EXCELLENT, H&C) Sale price¥36,800

[On sale May 10th, 10 PM JST] Madagascar Andalusite 2.187ct Loose Stone Sale price¥32,800

[On sale 5/23 at 10 PM] [Colorful] K18WG Diamond 0.126ct Pendant (Necklace) Sale price¥49,800

[On sale May 23 at 10 PM] [Colorfully] K18 Diamond 0.3ct Pendant Top (Necklace Top) Sale price¥39,800

[Sale from 10 PM on May 17th] [Colorful] K18WG Diamond 0.21ct Pendant Top (Necklace) Sale price¥49,800

[On sale May 6th at 10 PM] Brazilian Lazulite (blue stone) 0.066ct Loose Stone with Certificate Sale price¥39,800

Diamond 3.7mm/0.318ct Loose (F, SI-1, Princess Cut) Sale price¥49,800

Mexican Cantera Opal 17.284ct Loose Sale price¥39,800

0.168ct Pakistan Vayrynenite Loose Gemstone Sale price¥35,800

Väyrynenite from Pakistan, 0.146 ct, loose Sale price¥39,800

[On sale 5/27 10 PM] Diamond 3.8mm/0.197ct Loose (E, VVS-1, VeryGood) Sale price¥39,800

【32501896掲載】ダイヤモンド 0.167ctルース(D, VVS-2, VeryGood)

[Sale on May 3rd, 10 PM JST] Diamond 3.5mm/0.167ct Loose Stone (D, VVS-2, VeryGood) Sale price¥37,800

[On sale May 27th at 10 PM] Diamond 3.8mm/0.211ct Loose (E, VS-2, Excellent) Sale price¥49,800

[On Sale May 14th, 10 PM] Diamond 3.8mm/0.216ct Loose (G, VS-1, Excellent) Sale price¥49,800

【32501891掲載】ダイヤモンド 0.207ctルース(F, VS-1, Excellent)

[On sale May 3rd, 10 PM JST] Loose Diamond 3.8mm/0.207ct (F, VS-1, Excellent) Sale price¥35,800

[Sales on May 5th at 10 PM] [Karafuri] K18 Fire Opal Ring with Certificate Sale price¥49,800

[Sale starts May 14th, 10 PM JST] [Colorfuri] Pt900 German Hauyne 0.065ct Pendant Top (Necklace Top) with Certificate Sale price¥39,800

[Sale on May 26th at 10 PM] [Colorfri] K18 Synthetic Opal Pendant Top (Necklace Top) with Certificate of Authenticity Sale price¥39,800

【12562788掲載】ブラジル産カナリーイエロークリソベリル 1.572ctルース

[On sale May 4th at 10 PM JST] Brazilian Canary Yellow Chrysoberyl 1.572ct Loose Gemstone Sale price¥39,800

モザンビーク産エルバイトトルマリン 1.456ctルース（CuO:0.1%,MnO:0.4%）

Elbaite tourmaline from Mozambique 1.456ct loose stone (CuO: 0.1%, MnO: 0.4%) Sale price¥45,800

Zimbabwean Euclase 0.088ct loose stone Sale price¥49,800

Russian Alexandrite 2.5mm/0.078ct Loose Stone Sale price¥49,800

Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura) Sale price¥49,800

Lazurite (Lapis Lazuli) from Pakistan 0.173ct Loose Stone with Gemstone Identification Report Sale price¥34,800

カメレオンダイヤモンド 0.128ctルース(FANCY LIGHT GRAY GREEN, SI-1)

[Sale on May 9, 10 PM JST] Chameleon Diamond 3.2mm/0.128ct Loose Stone (FANCY LIGHT GRAY GREEN, SI-1) Sale price¥31,800

Mexican Cantera Opal 10.379ct Loose Stone Sale price¥39,800

[Available for purchase on 5/6 at 10 PM JST] Australian Black Opal 6.558ct Loose Stone with Certification Sale price¥39,800

[On sale May 6th, 10 PM] Dominican Larimar 33.829ct Loose Stone with Japan-Germany Gemological Report Sale price¥49,800

K18 Rock Crystal Ring Sale price¥42,800

K18 Peridot and Diamond 0.03ct Ring Sale price¥45,800

K18 Peridot and Diamond 0.03ct Ring Sale price¥45,800

【12562665掲載】ジンバブエ産バイカラーユークレース 0.176ctルース

0.176 ct Zimbabwean Bicolor Euclase Loose Gemstone Sale price¥38,800

【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone Sale price¥39,800

【ダンデライオンカット】モンゴル産カラーチェンジアンデシン 6.0mm/0.774ctルース

[Dandelion Cut] Mongolian Color-Change Andesine 6.0mm/0.774ct Loose Gemstone Sale price¥49,800

ピンクダイヤモンド 0.034ctルース(FANCY PURPLE PINK, I-1)

Pink Diamond 2.1mm/0.034ct Loose (FANCY PURPLE PINK, I-1) Sale price¥34,800

ブラジル産パライバトルマリン 0.101ctルース（CuO:0.9%,MnO:0.1%）

Paraiba Tourmaline from Brazil 0.101ct Loose Stone (CuO: 0.9%, MnO: 0.1%) Sale price¥39,800

Gray Diamond 0.107ct Loose (FANCY GRAY, I-1) Sale price¥39,800

ピンクダイヤモンド 0.074ctルース(FANCY LIGHT PURPLE PINK, I-1)

Pink Diamond 0.074ct Loose (FANCY LIGHT PURPLE PINK, I-1) Sale price¥39,800

K18YG Tanzanian Tanzanite 0.344ct Pendant Top Sale price¥39,800

Paraiba Tourmaline Loose Stone from Brazil 0.068ct (CuO: 1.1% MnO: 0.1%) Sale price¥45,800

Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.2% MnO:1.2%) Sale price¥35,800

Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.4% MnO:1.1%) Sale price¥35,800

Brazilian Paraiba Tourmaline 0.051ct Loose Stone (CuO:1.1% MnO:0.6%) Sale price¥35,800

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.