colored stone loose

A list of colored stones and loose gemstones.

[Listed on 12563962] Madagascar Padparadscha Sapphire 0.314 ct Loose Stone Sale price¥69,800

Brazilian rhodonite 1.423ct loose stone Sale price¥29,800

[Listed on 12562258] Eudialyte from Canada 2.796 ct loose stone Sale price¥39,800

【Sales start 10 PM, August 2 JST】Bicolor Euclase from Zimbabwe 0.066ct Loose Stone Sale price¥12,800

[On sale August 2nd, 10 PM JST] Bicolor Euclase from Zimbabwe, 0.081ct loose gemstone Sale price¥14,800

[On sale August 2nd at 10 PM JST] Sweet Home Mine Rhodochrosite 0.100ct Loose Gemstone with Certificate Sale price¥8,800

[12563993] Cambodian Blue Zircon 3.546ct Loose Sale price¥69,800

[Sale starts 10 PM JST 7/31] Colombian Pyrite and Mica in Emerald Loose Stone, 1.192ct, with Certificate Sale price¥79,800

コロンビア産パイライト・雲母インエメラルド 4.8mm/0.360ctルース鑑別書

[Sale on 8/6 at 10 PM JST] Colombian Pyrite and Mica in Emerald, 4.8mm/0.360ct, Loose Stone with Certificate Sale price¥29,800

[On sale August 1, 10 PM] Colombian Cosquez Trapiche Emerald 0.252ct Loose Stone with Certificate Sale price¥35,800

[On sale August 1, 10 PM JST] Colombian Cosquez Trapiche Emerald, 0.231 ct, Loose Stone with Certificate Sale price¥33,800

【On Sale August 1st, 10 PM JST】Cambodian Blue Zircon (Ratanakiri Blue) 1.847ct Loose Stone with Certificate Sale price¥22,800

[On Sale July 31, 10 PM JST] Afghanistan Green Hauyne 0.062ct Loose Gemstone with Certificate Sale price¥16,800

[On sale 7/30 at 10 PM] Nigerian Mandarin Garnet 0.750 ct Loose Stone with Gemstone Identification Report Sale price¥22,800

[12558272 listed] Brazilian Medusa Quartz (Paraiba Quartz) 0.456ct Loose Sale price¥9,800

[On sale 7/30 at 10 PM] Tanzanian Golden Zircon 0.752ct Loose Stone with Certificate Sale price¥12,800

[Listed as 12563891] Namibian Jeremejevite 0.089ct Loose Sale price¥22,800

[On sale July 29th, 10 PM JST] Brazilian Alexandrite 0.102ct Loose Stone with Certification Sale price¥29,800

[On Sale July 31st at 10 PM] "Limited to 20 Stones" Indigo Tourmaline Gacha with 5 Gem-Quality Stones + 1 Loose Stone (Certificate Included) (Multiple Purchase Discount Available) Sale price¥3,980

[Sales start August 2nd at 10 PM] Madagascar blue sapphire 0.662 ct loose gemstone with a certificate Sale price¥18,800

[On sale August 2 at 10 PM] Colombian Emerald 0.107 ct Loose Gemstone with Certificate Sale price¥12,800

[On sale August 1 at 10 PM] Australian black opal 0.702 ct loose stone with certificate Sale price¥29,800

[On sale July 29, 10 PM] Sri Lankan White Sapphire 1.025ct Loose Stone with Certification Sale price¥35,800

[On sale July 29th at 10 PM] Afghan Green Hauyne 0.150ct Loose Stone with Certificate Sale price¥55,800

[Lottery Sale 0521_08] Madagascar Sapphire 1.650ct Loose GIA Sale price¥158,000

[Limited to 24 stones] Oregon Sunstone from America with beautiful Schiller (Oval cut, 5 x 7mm) [Multiple purchase discount available] Sale price¥5,980

[On sale July 26th at 10 PM] Nepali Kyanite 2.461ct Loose Stone Sale price¥12,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 3.219ctルース

[On sale July 26th at 10 PM] Nara Prefecture, Tenkawa Village Rainbow Garnet (Andradite Garnet) 3.219ct Loose Stone Sale price¥24,800

[Listed as 12562727] Pink Imperial Topaz 1.907ct Loose Stone Sale price¥118,000

[Posted as 12562691] Malawi Bicolor Zircon 2.082ct Loose Sale price¥128,000

[Sale starts 10PM on July 12] Limited 20 Stones: Grandidierite Single Stone Loose (Avg. 0.035ct) from Madagascar [Multiple Purchase Discount Available] Sale price¥3,980

[Sale on 7/ at 10 PM] "Limited to 13 Stones" Madagascar Sapphirine, average 0.09ct "Multiple Purchase Discount Available" Sale price¥4,580

[On sale July 28th at 10 PM] Colombia Cosquez Trapiche Emerald 0.184ct Loose, with identification certificate Sale price¥25,800

[On Sale 7/25 at 10 PM JST] Colombia Cosquez Mine Trapiche Emerald 0.177ct Loose Stone with Certificate Sale price¥29,800

[On sale July 28, 10 PM JST] Colombia, Cosquez Trapiche Emerald, 0.157 ct Loose Stone with Certificate Sale price¥22,800

[Sale starts July 25th at 10 PM] Colombian Cosquez Mine Trapiche Emerald 0.144ct Loose Stone with Certification Sale price¥22,800

[Sales Start: July 25th, 10 PM JST] Colombia Cosquez Mine Trapiche Emerald 0.138ct Loose Stone with Certification Sale price¥19,800

[On sale July 24 at 10 PM] Spanish Bicolor Sphalerite 6.6mm/1.521ct Loose Stone Sale price¥22,800

[On sale July 26th at 10 PM] Spanish Sphalerite 6.5mm/1.321ct Loose Stone Sale price¥19,800

[On sale July 27th at 10 PM] Brazilian color change fluorite, 1.099 ct loose stone Sale price¥9,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.240ctルース

[On Sale 7/27 10 PM] Nara Prefecture, Tenkawa Village Rainbow Garnet (Andradite Garnet) 3.5mm/0.240ct Loose Stone Sale price¥8,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.336ctルース

[On Sale 7/27 10 PM] Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 3.8mm/0.336ct Loose Stone Sale price¥9,800

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 3.9mm/0.378ctルース（ローズカット）

[On Sale July 24 at 10 PM] Nara Prefecture, Tenkawa Village Rainbow Garnet (Andradite Garnet) 3.9mm/0.378ct Loose Stone (Rose Cut) Sale price¥9,800

[On sale July 26th, 10 PM JST] Madagascar Apatite 0.608ct Loose Gemstone Sale price¥8,800

【On sale at 10 PM on July 26】Kochi Prefecture red coral 1.439ct loose gemstone Sale price¥9,800

[On sale July 26th at 10 PM] Kochi Prefecture Red Coral 0.978ct Loose Stone Sale price¥9,800

【Sales start 10 PM, July 26 JST】Kochi Prefecture Blood Coral Loose Stone 1.128ct Sale price¥9,800

coming soon

[Listed as 12563592] Red Coral 0.908ct Loose Stone Sale price¥9,800

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.