¥10,000 - ¥30,000

[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available" Sale price¥18,800

Pink Diamond Loot Box💎 Fancy Orange Pink 0.188ct and other Fancy-colored pink diamonds (all stones sorted or certified) 《Multiple purchase discounts available》 Sale price¥11,000

[Available 9/5 at 10:00 PM] 《3 stones only》 Top-quality American benitoite (Princess cut, 2mm) 《Multi-purchase discount available》 Sale price¥12,800

[Available 9/23 at 10 PM] Australian Black Opal 0.175ct Loose Stone Sale price¥12,800

[Available 9/23 at 10:00 PM] Sri Lankan Moonstone 1.440ct Loose Gemstone Sale price¥15,800

[Available 9/22, 10 PM] Colombian Emerald 0.150ct Loose Stone Sale price¥12,800

[9/22 10 PM Release] Jeremejevite from Namibia, 0.083ct Loose Gemstone with Identification Report Sale price¥18,800

[Available 9/19 at 10 PM] Jeremejevite from Namibia, 0.054ct loose stone with identification report Sale price¥14,800

[9/19 10 PM Sale] Jeremejevite from Namibia 0.053ct Loose Stone with Appraisal Report Sale price¥14,800

[Available 9/19 at 22:00] Jeremejevite from Namibia, 0.045ct Loose Stone with Identification Report Sale price¥15,800

【Available 9/18, 10:00 PM】 Thai Black Star Sapphire 7.437ct Loose Gemstone Sale price¥19,800

[Sales start 9/18 at 22:00] Zimbabwe Bicolor Euclase 1.355ct Rough Stone Sale price¥25,800

[Available 9/19 at 10 PM] Colombian Emerald with Pyrite, 0.634ct Raw Gemstone Sale price¥19,800

[On sale 9/19 at 22:00] Colombian Emerald with Pyrite, 0.981ct Raw Gemstone Sale price¥29,800

[Available 9/20 at 10:00 PM] Brazilian Alexandrite 0.054ct Loose Gemstone Sale price¥12,800

[Available 9/20 at 10:00 PM] Synthetic Alexandrite 0.716ct Loose Stone Sale price¥15,800

[Available 9/20 at 10 PM] Synthetic Alexandrite 0.657ct Loose Stone Sale price¥14,800

【Available 9/22, 10:00 PM】 Colombian Emerald 0.078ct Loose Gemstone Sale price¥18,800

[Available 9/22, 10 PM] Malawi Moonstone 3.677ct Loose Gemstone Sale price¥19,800

[9/22, 10 PM Sale] Malawi Moonstone 4.333ct Loose Gemstone Sale price¥19,800

[Available 9/22, 10 PM] Malawi Moonstone (Malawi Moonstone) 3.996ct Loose Gemstone Sale price¥18,800

【Available 9/22, 10:00 PM】Malawi Moonstone (Malawi Moonstone) 5.122ct Loose Stone Sale price¥25,800

[9/23 10 PM Sale] Mexican Fire Opal 0.824ct Loose Gemstone Sale price¥12,800

[Available 9/24 at 10 PM] Australian Black Opal 0.322ct Loose Gemstone Sale price¥16,800

[Available 9/23 at 10 PM] Tanzanian Almandine Garnet 1.267ct Loose Gemstone Sale price¥14,800

[Available 9/21, 10:00 PM] Colombian Emerald 0.152ct Loose Gemstone Sale price¥25,800

[Available Sept 21, 10 PM] Brazilian Mint Color Emerald 0.451ct Loose Stone Sale price¥15,800

[Available 9/21 at 10 PM] Sri Lankan Blue Sapphire 5.3mm/0.754ct Loose Stone Sale price¥12,800

[On sale 9/21 at 22:00] Ruby 0.176ct Loose Stone Sale price¥15,800

[Available 9/21, 10:00 PM] Brazilian Bicolor Topaz 3.098ct Loose Gemstone Sale price¥29,800

Colombian pyrite-mica emerald 0.628ct loose stone Sale price¥29,800

Namibian Jeremejevite 0.158ct loose stone Sale price¥29,800

Colombian emerald 0.231ct loose stone Sale price¥25,800

Japanese style twin crystal 5.771ct raw stone Sale price¥15,800

Tanzanian Zoisite 1.000ct Loose Stone Sale price¥18,800

Tanzania Bicolor Zoisite 0.645ct Loose Stone Sale price¥11,800

YAG (Yttrium Aluminum Garnet) 6.5mm/1.551ct Loose Stone Sale price¥15,800

Colombian Trapiche Emerald 0.299ct Loose Sale price¥16,800

Sri Lankan glass body (sapphire crystal) 7.983ct rough stone Sale price¥19,800

Sri Lankan glass body (sapphire crystal) 9.933ct rough stone Sale price¥29,800

Sri Lankan glass body (sapphire crystal) 10.140ct rough stone Sale price¥22,800

YAG (Yttrium Aluminum Garnet) 7mm/1.686ct Loose Stone Sale price¥12,800

Almandine garnet 2.421ct loose Sale price¥16,800

[Available Sept. 12, 10:00 PM] Sri Lankan Silky Pink Sapphire 5.0mm/0.544ct Loose Gemstone with Identification Report Sale price¥25,800

[Available 9/11 at 10 PM] Almandine Garnet from Tanzania, 1.354ct Loose Gemstone Sale price¥15,800

[On sale 9/17 at 22:00] Hunan, China Cinnabar Loose Stone 0.532ct with Appraisal Certificate Sale price¥15,800

[Available 9/17 at 10 PM] Chinese Cinnabar from Hunan Province, 0.467ct Loose Gemstone with Identification Report Sale price¥14,800

【9/17 22:00 Release】 Chinese Hunan Province Cinnabar 0.436ct Loose Stone with Identification Report Sale price¥13,800

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.