colored stone loose

A list of colored stones and loose gemstones.

Sri Lankan Yellow Sapphire 0.312ct Loose Sale price¥8,800

Cambodian Blue Zircon 1.757ct Loose Sale price¥19,800

Cambodian Blue Zircon 0.744ct Loose Stone Sale price¥8,800

Brazilian Green Tourmaline 2.218ct Loose Sale price¥29,800

Tanzanian pink tourmaline 0.558ct loose stone Sale price¥12,800

Mozambique Rubellite 0.410ct Loose Stone Sale price¥15,800

Brazilian Bicolor Tourmaline 7.2mm/1.326ct Loose Stone Sale price¥19,800

Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline) Sale price¥59,800

Tanzanian Golden Sheen Sapphire 3.8mm/0.301ct Loose Stone Sale price¥13,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.838ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.1mm/0.838ct Loose Stone Sale price¥12,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.087ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.1mm/1.087ct loose stone Sale price¥16,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.030ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.2mm/1.030ct loose stone Sale price¥15,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.826ctルース

Andesine Labradorite from Madagascar (commonly known as Rainbow Moonstone) 0.826ct loose Sale price¥12,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.971ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.2mm/0.971ct Loose Stone Sale price¥15,800

Synthetic rutile 6mm/1.091c loose stone Sale price¥22,800

[Sakura Incut] Danburite 8mm/1.581ct loose stone with patch Sale price¥29,800

[Koshu Precious Stones plusthree] Ametrine 7.238ct loose stone with patch Sale price¥39,800

[Sakura Incut] YAG (Yttrium Aluminum Garnet) 9mm/3.410ct Loose Sale price¥55,800

Blue watermelon tourmaline 2.380ct loose Sale price¥15,800

Blue watermelon tourmaline 6.815ct loose Sale price¥49,800

Colombian emerald cat's eye 0.138ct loose Sale price¥17,800

Mexican Fire Agate 5.110ct Loose Stone Sale price¥14,800

Brazilian Paraiba Tourmaline 0.341ct loose stone (CuO:1.81%, MnO:1.96%) Nakahokan analysis report Sale price¥598,000

Andesine Labradorite (also known as Rainbow Moonstone) 1.373ct loose stone Sale price¥12,800

Unheated Brazilian Paraiba Tourmaline 0.081ct loose stone (CuO: 2.1%, MnO: 2.3%) Sale price¥98,000

Unheated Brazilian Paraiba Tourmaline 0.088ct loose stone (CuO: 1.9%, MnO: 2.3%) Sale price¥98,000

Unheated Brazilian Paraiba Tourmaline 0.059ct loose stone (CuO: 1.4%, MnO: 2.7%) Sale price¥63,800

Unheated Brazilian Paraiba Tourmaline 0.065ct loose stone (CuO: 2.0%, MnO: 2.4%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.066ct loose stone (CuO: 1.5%, MnO: 2.2%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone (CuO: 1.8%, MnO: 2.4%) Sale price¥75,800

Unheated Brazilian Paraiba Tourmaline 0.061ct loose stone (CuO: 1.7%, MnO: 2.2%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.055ct loose stone (CuO: 1.9%, MnO: 2.2%) Sale price¥59,800

Unheated Brazilian Paraiba Tourmaline 0.066ct loose stone (CuO: 1.7%, MnO: 2.4%) Sale price¥79,800

Unheated Brazilian Paraiba Tourmaline 0.056ct loose stone (CuO: 1.7%, MnO: 2.3%) Sale price¥59,800

Unheated Brazilian Paraiba Tourmaline 0.062ct loose stone (CuO: 1.7%, MnO: 2.5%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.058ct loose stone (CuO: 2.0%, MnO: 2.2%) Sale price¥59,800

Unheated Brazilian Paraiba Tourmaline 0.056ct loose stone (CuO: 2.1%, MnO: 2.2%) Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.057ct loose stone (CuO: 1.6%, MnO: 2.4%) Sale price¥69,800

Pink tourmaline 0.692ct loose stone Sale price¥18,800

Pink tourmaline 0.845ct loose stone Sale price¥14,800

Yellow Opal 0.372ct Loose (Faceted Cut) Sale price¥8,800

0.421ct loose yellow sapphire from Ratnapura, Sri Lanka Sale price¥11,800

Morganite 0.379ct loose stone Sale price¥8,800

Pink spinel 0.713ct loose stone Sale price¥8,800

Goshenite 0.846ct loose stone Sale price¥8,800

Mexican Hyalite Opal 1.215ct Loose (Faceted Cut) Sale price¥9,800

Benitoite 0.338ct loose stone Sale price¥258,000

Australian Rainbow Lattice Sunstone 0.463ct Loose Stone Sale price¥5,980

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.