¥10,000 - ¥30,000

[Available 9/12 at 10 PM] Kenyan Unheated Gold Sheen Sapphire 0.314ct Loose Gemstone with Appraisal Report Sale price¥22,800

[Available 9/17 at 10:00 PM] Kenyan Unheated Gold Sheen Sapphire 0.408ct Loose Gemstone with Identification Report Sale price¥25,800

【Available 9/30 at 10 PM】 Burmese Red Spinel 0.210ct Loose Stone with Identification Report Sale price¥18,800

[Available 10/9 at 10 PM] Burmese Red Spinel 0.188ct Loose Gemstone with Identification Report Sale price¥18,800

[9/11 10 PM Sale] Burmese Red Spinel 0.146ct Loose Stone with Appraisal Report Sale price¥15,800

[Available 9/11 at 10 PM] Burmese Red Spinel 0.100ct Loose Stone with Identification Report Sale price¥11,000

[Available 10/14 at 22:00] Madagascar Sphene 6.8mm/1.363ct Loose Gemstone with Appraisal Report Sale price¥19,800

【Available 9/17 at 10:00 PM】 Phenakite from Malyshevo, Russia, 0.510ct loose stone, JGL certified Sale price¥15,800

[Available 9/17 at 10:00 PM] Russian Phenakite from Malyshevo, 0.493ct Loose Gemstone, JGGL Certified Sale price¥14,800

[On sale 9/29, 10 PM] Russian Malyshevo Phenakite 4.7mm/0.428ct Loose Stone, JGL Certified Sale price¥14,800

[Available 10/16, 10 PM] Russian Malyshevo Phenakite 0.489ct Loose Stone (JGL Certified) Sale price¥15,800

【Available Oct 15 at 10 PM】 Sri Lankan Green Zircon 0.802ct Loose Gemstone Sale price¥16,800

[Available 10/4, 10 PM] Kenyan Unheated Gold Sheen Sapphire 0.224ct Loose Gemstone with Identification Report Sale price¥15,800

Tanzanian Dragon Garnet 0.748ct Loose Stone Sale price¥18,800

【Lottery Sale 0818_02】Brazilian Fanaizinho Sphene 0.956ct Loose Stone with Certificate Sale price¥19,800

【9/5 22:00 Release】 Brazilian Paraiba Tourmaline 20.343ct Rough Stone Sale price¥15,800

[Available 9/5, 10 PM] 8.246ct Rough Paraiba Tourmaline from Brazil Sale price¥25,800

1.953ct Bicolor Sphalerite from Spain Sale price¥18,800

Violet Sapphire 4.3mm/0.328ct Loose Sale price¥15,800

Bicolor Euclase from Zimbabwe 0.033ct loose Sale price¥18,800

[Lottery Sale 0725_05] Madagascar Teal Blue Sapphire 0.748ct Loose Stone with Appraisal Sale price¥28,800

Brazilian Paraiba Tourmaline 0.037ct Loose (CuO:1.9%, MnO:2.3%) Sale price¥29,800

Colombian Trapiche Emerald 0.372ct Loose Sale price¥18,800

Russian rough diamond (sawable) 0.098ct loose Sale price¥22,800

[Available 9/15, 10 PM] [Colorfry] Pt850 Cross-Shape Pearl Earrings with Appraisal Certificate Sale price¥18,800

【Available from 10 PM on 9/4】 Cambodian Blue Zircon 1.173ct Loose Stone Sale price¥15,800

[Available 9/4 at 10 PM] Ruby 0.411ct Loose Stone Sale price¥18,800

【9/4 10:00 PM Sale】Ruby 0.200ct Loose Stone Sale price¥12,800

[Available 9/6 at 10 PM] Moonstone from Uva, Sri Lanka, 1.155ct loose stone Sale price¥18,800

[Available 9/6 at 10 PM] Moonstone from Uva, Sri Lanka, 1.418ct Loose Gemstone Sale price¥22,800

【9/14 10:00 PM Release】 Sri Lankan Uva Moonstone 1.172ct Loose Stone Sale price¥15,800

【Available 9/14 at 10 PM】 Sri Lankan Uva Moonstone 0.872ct Loose Stone Sale price¥14,800

[Available 9/14, 10 PM] Moonstone from Uva, Sri Lanka, 1.196ct Loose Gemstone Sale price¥16,800

[Available 9/10, 10 PM] 0.837ct Sri Lankan Moonstone Loose Stone Sale price¥12,800

[On sale 9/6 at 10 PM] Kochi Prefecture Peach Coral 13.010ct Loose Stone Sale price¥12,800

[Available 9/6 at 10:00 PM] Kochi Prefecture Peach Coral 16.753ct Loose Stone Sale price¥24,800

【Available 9/6 at 10 PM】 Tanzanian Windsor Sapphire (Purple Sapphire) 0.277ct Loose Gemstone Sale price¥12,800

ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.358ctルース

[On sale 9/6 at 22:00] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.358ct Loose Gemstone Sale price¥12,800

ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.574ctルース

[Available 9/7 at 10 PM] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.574ct Loose Stone Sale price¥14,800

ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.507ctルース

【Available 9/10 at 10 PM】 Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.507ct Loose Stone Sale price¥12,800

ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.930ctルース

[Available 9/10 at 10 PM] Brazilian Rainbow Aquamarine (Iridescence Aquamarine) 1.930ct Loose Stone Sale price¥18,800

[Available 9/7 at 10 PM] Mahenge Spinel (Pink Spinel) from Tanzania, 0.386ct loose stone Sale price¥15,800

【Available Sept 10, 10:00 PM】 Tanzanian Bicolor Grossular Garnet 0.869ct Loose Stone Sale price¥25,800

[9/7 10:00 PM Sale] Tanzania Bicolor Grossular Garnet 0.433ct Loose Stone Sale price¥15,800

【Available 9/7 at 10 PM】 Tanzanian Bicolor Grossular Garnet 0.596ct Loose Gemstone Sale price¥14,800

[9/7 22:00 Release] Brazilian Bicolor Tourmaline 1.753ct Loose Stone Sale price¥29,800

【9/7 10 PM Release】Indian Parrot Chrysoberyl 0.288ct Loose Stone Sale price¥12,800

[Available 9/7 at 10 PM] Indian Parrot Chrysoberyl 0.630ct Loose Gemstone Sale price¥18,800

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.