colored stone loose

A list of colored stones and loose gemstones.

Andalusite 0.604ct loose Sale price¥6,980

Synthetic moissanite 0.372ct loose Sale price¥9,800

Twin Star Sapphire from Ratnapura, Sri Lanka 4.975ct loose stone (twin star sapphire) Sale price¥98,000

Mint color tourmaline 0.115ct loose Sale price¥5,980

Zircon 1.800ct loose Sale price¥6,980

Mexican Hyalite Opal 2.592ct loose Sale price¥9,800

Brazilian bicolor tourmaline 7.489ct loose Sale price¥49,800

Pink tourmaline 1.690ct loose Sale price¥39,800

Tanzanite 1.593ct loose Sale price¥15,800

Gacha sapphire 0.268ct loose stone Sale price¥26,800

[Camellia cut] Opal 14mm/5.283ct loose with patch Sale price¥98,000

"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel" Sale priceFrom ¥25,800

クッションカットのブラジル産インペリアルトパーズ1石ルース（3mm）《複数購入割引有》

Cushion cut Brazilian imperial topaz 1 stone loose (3mm)《Multiple purchase discount available》 Sale price¥5,980

Chrysoberyl cat's eye from Sri Lanka 5.176ct loose Sale price¥198,000

Brazilian rutilated quartz (rutilated quartz) 1 loose stone (6mm) {Multiple purchase discounts available} Sale price¥1,500

Illusion sunstone from Tanzania 1 stone loose (6mm)《Multiple purchase discount available》 Sale price¥1,500

ブラジル産カラーチェンジフローライト1石ルース（6mm,ラウンドカット）《複数購入割引有》

Color change fluorite from Brazil 1 stone loose (6mm, round cut)《Multiple purchase discount available》 Sale price¥2,580

Rutilated quartz 1 stone loose (12mm)《Multiple purchase discount available》 Sale price¥1,980

Labradorite 1 stone loose (12 x 16mm)《Multiple purchase discount available》 Sale price¥2,580

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） 2.623ctルース

Rainbow garnet (andradite garnet) 2.623ct loose from Tenkawa Village, Nara Prefecture Sale price¥3,980

Brazilian emerald 3.2mm/0.124ct loose Sale price¥25,800

Maushitsit (Mawsissi) from Myanmar 1 stone loose (12mm)《Multiple purchase discount available》 Sale price¥2,980

Purple spinel 0.754ct loose Sale price¥9,800

Blue spinel 1.949ct loose Sale price¥29,800

Lavender spinel 0.305ct loose Sale price¥7,980

Brazilian Alexandrite 0.074ct Ruth (Hemachita Mine) Sale price¥15,800

Brazilian Alexandrite 0.086ct Ruth (Hemachita Mine) Sale price¥18,800

British Rosary Fluorite 4.738ct loose Sale price¥9,800

British Rosary Fluorite 1.841ct loose Sale price¥5,980

Colombian emerald loose rough stone set of 2 stones (round cut 3mm)《Multiple purchase discount available》 Sale price¥6,980

Tanzanite raw stone/loose 2 stone set (sugar loaf cut)《Multiple purchase discount available》 Sale price¥6,980

Cornel pin cat's eye 0.513ct loose Sale price¥6,980

Cornel pin cat's eye 0.872ct loose Sale price¥6,980

Tanzanite 1.360ct loose stone Sale price¥49,800

Labradorite 1 stone (spherical, 6mm) loose (multiple purchase discount available) Sale price¥2,980

Gem Gacha💎 Sri Lankan Sapphire《Ratnapura》1 loose stone (average 0.75ct)《Multiple purchase discount available》 Sale price¥5,980

Kyanite raw stone/loose 2 stone set《Multiple purchase discount available》 Sale price¥2,980

Pyrope spessartine garnet (color change garnet) 1 stone loose (multiple purchase discount available) Sale price¥5,980

Synthetic black moissanite (black moissanite) 1 stone loose (2.5mm, round cut)《Multiple purchase discount available》 Sale price¥2,980

1 stone loose spinel from Myanmar (Pentagonal cut)《Discount available for multiple purchases》 Sale price¥3,980

Cantera opal 17.221ct loose Sale price¥25,800

Sea blue chalcedony 6.964ct loose Sale price¥7,980

Synthetic moissanite 1 stone loose (mint green, oval cut, 6 x 4 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980

Synthetic moissanite 1 stone loose (mint green, pear shape cut, 5 x 7 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980

1 stone loose pink spinel (princess cut, approx. 2.5mm)《Discount available for multiple purchases》 Sale price¥2,980

Petalite 1 stone loose (6mm, round cut)《Multiple purchase discount available》 Sale price¥2,580

Scapolite Cat's Eye 8.880ct Loose Sale price¥8,800

[Jeweler's Tools] 2-piece loose tweezers set with stopper (for small jewelry) Sale price¥3,980

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.