Under ¥5,000

【KEN氏】マダガスカル産アパタイト 0.371ctルース - カラッツSTORE

Madagascar Apatite 0.371ct Loose Stone Sale price¥2,980

Brazilian Dendritic Agate 3.554ct Loose Stone Sale price¥2,980

Brazilian Dendritic Agate 2.301ct Loose Stone Sale price¥2,980

Brazilian Dendritic Agate 3.948ct Loose Stone Sale price¥3,980

Brazilian Rainbow Scapolite 3mm/0.120ct Loose Stone Sale price¥3,980

【KEN氏】アンデシン 4.2mm/0.257ctルース - カラッツSTORE

Tibetan Andesine 4.2mm/0.257ct Loose Stone Sale price¥2,980

【KEN氏】アンデシン 4.5mm/0.289ctルース - カラッツSTORE

Tibetan Andesine 4.5mm/0.289ct Loose Stone Sale price¥2,980

[On sale at 10pm on 7/17] Cambodian orange zircon 0.371ct loose stone Sale price¥3,980

Spanish Andalusite 4mm/0.204ct loose stone (rose cut) Sale price¥4,980

Brazilian Madeira Citrine 6.8mm/1.150ct Loose Stone Sale price¥4,980

Brazilian Madeira Citrine 6.8mm/1.110ct Loose Stone Sale price¥4,980

Mexican Fire Opal 0.448ct Loose Sale price¥3,980

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.265ct loose stone Sale price¥2,980

Indian Star Garnet 13.090ct Loose Stone (6 Rows) Sale price¥4,980

【KEN氏】アンデシン 5.2mm/0.453ctルース - カラッツSTORE

Tibetan Andesine 5.2mm/0.453ct Loose Stone Sale price¥4,980

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） 0.385ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.385ct loose stone Sale price¥2,980

Ethiopian Opal 1.521ct Loose Sale price¥3,980

Ethiopian Opal 1.014ct Loose Sale price¥3,980

Limited to 11 stones: Brazilian rhodonite in quartz (cabochon, 7.5-8.5mm) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980

Limited quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) Multiple purchase discounts available Sale price¥3,980

Limited to 4 stones: 1 Brazilian white topaz loose stone (average 2.1 carats) Multiple purchase discounts available Sale price¥2,980

Limited to 8 stones: 1 Mexican fire opal loose stone with unique color (up to 2.2ct) Multiple purchase discounts available Sale price¥3,980

Garden quartz 8.690ct loose Sale price¥2,980

Limited to 13 stones Gem gacha💎 Beautiful colored tanzanite 7mm, special cut sphene, heliodor (lots of inclusions) 1 loose stone Multiple purchase discounts available Sale price¥4,980

Brazilian Green Spodumene 0.599ct Loose Stone Sale price¥4,980

Limited to 6 stones: 1 Brazilian Santa Maria aquamarine (March birthstone, princess cut 2.5mm) Multiple purchase discounts available Sale price¥2,980

Book "Jewelry Origami" (Supervised by KARATZ / In cooperation with the University of Tokyo Origami Circle and Orist) Sale price¥1,540

Book "Small Jewels" (Author: Keiichiro Koyama / Planning cooperation with KARATZ) Sale price¥1,760

Book "Gemstone Encyclopedia" (KARATZ, editor: Keiichiro Koyama) Sale price¥2,640

Brazilian Garden Quartz 15.7mm/12.860ct Loose Stone Sale price¥4,980

Limited to 3 stones: Madeira citrine from Brazil (special cut, November birthstone) Multiple purchase discounts available Sale price¥3,980

Limited to 3 stones: Brazilian Trapiche Amethyst (with mother rock) 1 loose stone (average 33ct, February birthstone) Multiple purchase discounts available Sale price¥3,980

Limited to 9 sets Diamond Gacha 💎 Yellow Diamond Rough Stone and Loose Stone Set of 2 《Multiple Purchase Discounts Available》 Sale price¥2,980

Limited to 9 stones: 1 Afghan Lazurite in Sodalite loose stone (faceted cut, average 0.45ct) Multiple purchase discounts available Sale price¥4,980

Limited to 9 stones, 1 Nigerian green beryl loose stone, multiple purchase discount available Sale price¥3,980

Limited to 12 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.0mm) Multiple purchase discounts available Sale price¥4,980

Limited to 8 pieces: 1 Nigerian Morganite loose stone (April birthstone, average 1 carat) Multiple purchase discounts available Sale price¥4,980

[Jeweler's Tools] Limited Quantity: H&C (Hearts & Cupids) Scope, CZ Size Comparison 10 Pieces, 2-Piece Set Sale price¥3,980

Set of 2 Tanzanite stones from Tanzania (2mm, round cut) {Multiple purchase discount available} Sale price¥1,580

Limited to 10 stones: 1 petzotite loose stone from Madagascar (2mm, round cut) Multiple purchase discounts available Sale price¥3,980

Madeira Citrine from Brazil (6mm, round cut, November birthstone) {Multiple purchase discounts available} Sale price¥4,980

[Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discount available] Sale price¥2,980

Limited to 25 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases. Sale price¥4,980

Limited to 15 stones: 1 loose Smithsonite stone (average 2 carats) Multiple purchase discounts available Sale price¥3,980

Limited to 7 stones: 1 Tanzanian rhodolite garnet loose stone (polished by American polisher KEN) Multiple purchase discounts available Sale price¥3,980

Limited to 9 stones: 1 Brazilian green beryl loose stone. Discounts available for multiple purchases. Sale price¥3,580

Limited to 17 stones: 1 Brazilian green beryl loose stone. Discounts available for multiple purchases. Sale price¥2,580

Limited to 7 stones: 1 loose sphalerite stone from Spain (cabochon cut, 4.8-5.3mm) Multiple purchase discounts available 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.