![(Rare Stone Gacha being withdrawn) [Posted 12542184] Paudretite from Myanmar 0.291ct loose](http://store.karatz.jp/cdn/shop/products/P3317490.jpg?v=1680587514&width=4000)
Adult Sebonstar Jewelry Vol. 3: Adult Sebonstar Pendant Mirage Edition
Sale priceFrom ¥29,800
Additional fee: +40,000 yen
Sale price¥40,000
1.758 ct Ruby Loose Stone from Vietnam with Identification Report
Sale price¥49,800
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
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥37,000
Solo (Simple Order Earring Frame/Chain Type)
Sale priceFrom ¥45,800
Pakistani Lazurite (Azurite) 0.123ct loose stone
Sale price¥45,800
Tanzanian Tanzanite 1.36ct Loose
Sale price¥49,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Rhodochrosite from South Africa 4.2mm/0.409ct loose
Sale price¥39,800
Mozambique Rubellite 1.706ct Loose Stone
Sale price¥39,800
Brazilian Paraiba Tourmaline in Quartz 2.827ct loose stone
Sale price¥45,800
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥45,800
【11/9 22時販売】マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.314ctルース
Sale price¥39,800
【11/8 22時販売】アフガニスタン産ハックマナイト 0.606ctルース
Sale price¥35,800
【11/8 22時販売】アフガニスタン産ハックマナイト 0.960ctルース
Sale price¥49,800
【11/9 22時販売】アメリカ産オレゴンサンストーン 2.520ctルース
Sale price¥39,800
【11/2 22時販売】アフガニスタン産ブルーサイト 3.415ctルース
Sale price¥35,800
【11/2 22時販売】スリランカ産ホワイトサファイア 1.509ctルース 鑑別書
Sale price¥39,800
【11/3 22時販売】マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.349ctルース
Sale price¥39,800
【11/3 22時販売】マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.398ctルース
Sale price¥49,800
【11/3 22時販売】マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.365ctルース
Sale price¥42,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥39,800
【10/30 22時販売】スリランカ産イエローサファイア 1.181ctルース
Sale price¥39,800
![[Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》](http://store.karatz.jp/cdn/shop/files/2026-10-1816.40.11.png?v=1792309234&width=1354)
![[Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》](http://store.karatz.jp/cdn/shop/files/2026-10-1717.21.50_b5bd12df-a26a-4558-b937-050e8f74386f.png?v=1792225381&width=1256)
[Item 12564407] Stibiotantalite from Afghanistan, 0.200ct loose stone
Sale price¥45,800
[Item 12564406] Stibiotantalite from Afghanistan, 0.186ct loose stone
Sale price¥45,800
[Item 12564569] Russian Non-Oiled Emerald 0.121ct Loose Gemstone
Sale price¥49,800
[Item 12564624] Tanzanian Cobalt Spinel 0.094ct Loose Gemstone
Sale price¥47,800
![[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](http://store.karatz.jp/cdn/shop/files/collage_7de5fb5b-0545-4b3f-ad81-43e23de482f7.png?v=1790579155&width=2000)
[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
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.
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.