Colorless zircon 1.831ct loose
Sale price¥12,800
Pink tourmaline 0.377ct loose
Sale price¥3,980
Pink tourmaline 0.506ct loose
Sale price¥5,980
Pink tourmaline 0.553ct loose
Sale price¥6,980
Pink tourmaline 1.011ct loose
Sale price¥8,800
Pink tourmaline 0.734ct loose
Sale price¥7,980
Bicolor tourmaline 1.440ct loose
Sale price¥9,800
Bicolor tourmaline 1.704ct loose
Sale price¥12,800
Diaspore 0.660ct loose
Sale price¥3,980
Diaspore 0.875ct loose
Sale price¥5,980
Diaspore 0.657ct loose
Sale price¥3,980
Diaspore 0.672ct loose
Sale price¥3,980
[Dandelion cut] Synthetic rutile 7mm/1.905ct loose
Sale price¥39,800
Montebrasite from Madagascar 0.366ct loose
Sale price¥3,980
[Koshu Precious Stones plusthree] Picture Agate 10.362ct Loose Stone
Sale price¥29,800
Myanmar Maw Sisit 0.855ct loose stone (Maw Sisit)
Sale price¥4,980
Rhodochrosite from South Africa 5.2mm/0.645ct loose
Sale price¥55,800
Cambodian blue zircon 0.232ct loose stone
Sale price¥4,980
Brazilian dumortierite in quartz 5.154ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 6.727ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 4.230ct loose
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥69,800
Mexican fire opal 6mm/0.698ct loose (rose cut)
Sale price¥14,800
Sri Lankan tourmaline 4.860ct loose stone (cushion cut)
Sale price¥12,800
Kunzite from Afghanistan 21.5mm/39.372ct loose stone
Sale price¥98,000
Russian demantoid garnet (horsetail recognized) 2.9mm/0.165ct loose
Sale price¥24,800
Russian demantoid garnet (horsetail recognized) 2.8mm/0.187ct loose
Sale price¥18,800
American Benitoite 2.8mm/0.104ct Loose Stone
Sale price¥28,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Mexican cantera opal 12.401ct loose
Sale price¥8,800
Pakistani Veirinite 0.206ct loose stone
Sale price¥55,800
Sri Lankan saffron 0.320ct loose stone with certificate of authenticity
Sale price¥29,800
0.400ct Madagascar Pink Sapphire Loose (Heart Shape)
Sale price¥19,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.708ct Loose Stone
Sale price¥15,800
Brazilian green tourmaline 0.541ct loose stone
Sale price¥4,980
Turkish color change diaspore 0.729ct loose stone
Sale price¥6,980
【8/24 22時販売】《限定4石》ブラジル産ブルートパーズキャッツアイ1石ルース（7.0-7.5mm）《複数購入割引有》
Sale price¥5,980
【8/24 22時販売】《限定12石》マダガスカル産サファリン1石ルース《複数購入割引有》
Sale price¥2,980
【8/24 22時販売】スリランカ産サファリン 0.466ctルース 鑑別書
Sale price¥37,800
【8/23 22時販売】《限定8石》ブラジル産レインボーアクアマリン1石ルース（ペアシェイプ）《複数購入割引有》
Sale price¥3,980
【8/24 22時販売】コロンビア産ミントカラーエメラルド 4.1mm/0.244ctルース
Sale price¥8,800
【8/24 22時販売】コロンビア産ミントカラーエメラルド 4.3mm/0.306ctルース
Sale price¥8,800
【8/24 22時販売】ブラジル産ミントカラーエメラルド 5.5mm/0.638ctルース
Sale price¥8,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.