Sale

Limited to 15 stones! Green Oregon Sunstone rough stone from the United States 💎 Average 1.5ct [Multiple purchase discounts available] Sale price¥5,980

Pt950ブラジル産パライバトルマリン0.034ctリング（フリュクーシュ枠・オーバルカット）

Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut) Sale price¥64,800

K18YG Brazilian Paraiba Tourmaline Ring (Flucche Setting, Pear Shape, Matte Finish) Sale price¥69,800

Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm) Sale price¥198,000

Limited to 18 stones: Myanmar spinel (3.5mm, pentagonal cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980

Limited to 5 stones: 1 synthetic moissanite loose stone (Sanjay cut hexagonal, 6mm) Multiple purchase discounts available Sale price¥8,800

Limited to 7 sets: Gemstone Encyclopedia Playing Cards + Gemstone Lucky Bag (worth 10,000 yen) with 4 Stones Sale price¥6,000

January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners} Sale price¥2,980

April birthstone Morganite rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

Limited to 6 stones: 1 synthetic moissanite loose stone (hexagonal cut, 5mm) Multiple purchase discounts available Sale price¥6,980

Limited to 8 stones: Swiss blue topaz (4mm, rose cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥3,980

Additional charge: K18WG (base metal) + 10,000 yen Sale price¥40,000

Additional charge: K18WG (base metal) + 10,000 yen Sale price¥10,000

Additional charge: K18PG (base metal) + 15,000 yen Sale price¥35,000

Additional charge: K18PG (base metal) + 20,000 yen Sale price¥35,000

Additional charge: K18WG (base metal) + 15,000 yen Sale price¥35,000

Additional charge: K18PG (base metal) + 10,000 yen Sale price¥25,000

【12547827掲載】ブラジル産トラピッチェアメジスト 10.855ctルース

Brazilian Trapiche Amethyst 10.855ct loose stone Sale price¥6,980

【12547833掲載】ブラジル産デュモルチェライトインクォーツ 2.714ctルース

Brazilian Dumortierite in Quartz 2.714ct loose stone Sale price¥24,800

Tanzania Color Change Garnet 0.789ct Loose Stone Sale price¥9,800

Myanmar pink spinel 0.520ct loose stone Sale price¥12,800

Brazilian bicolor tourmaline 0.502ct loose stone Sale price¥12,800

Mexican Danburite 7.0mm/1.224ct loose stone Sale price¥9,800

Madagascar Yellow Sapphire 0.863ct Loose Sale price¥18,800

Pink sapphire 4.5mm/0.390ct loose stone Sale price¥15,800

Purple sapphire 4mm/0.273ct loose stone Sale price¥12,800

Pink sapphire 0.271ct loose stone Sale price¥8,800

Limited to 8 stones: 1 Brazilian Alexandrite loose stone (rose cut, 3.2mm/average 0.12ct) Multiple purchase discounts available Sale price¥11,000

Limited to 9 stones: 1 Brazilian Alexandrite loose stone (rose cut, 3mm/average 0.105ct) Multiple purchase discounts available Sale price¥9,800

K18PGブラジル産パライバトルマリン0.286ct・グランディディエライトリング GIA

K18PG Brazilian Paraiba Tourmaline 0.286ct Grandidierite Ring GIA Sale price¥198,000

K18YG南洋真珠10.616ct・ベキリーブルーガーネット・アレキサンドライト・ダイヤモンドリング

K18YG South Sea pearl 10.616ct, Bekiri blue garnet, alexandrite and diamond ring Sale price¥198,000

Mexican Cantera Opal 4.835ct Loose Sale price¥19,800

Limited to 7 stones: 1 loose stone of spinel (blue/purple) from Madagascar. Discounts available for multiple purchases. Sale price¥3,980

Australian Shell Opal (Shell Opal) 73.321ct Rough Stone Sale price¥49,800

Limited to 21 stones: 1 loose Tanzanite stone from Tanzania (5 x 3 mm, oval cut) Multiple purchase discounts available Sale price¥4,980

[Pop-up event only] Option application page Sale price¥0

Spanish Andalusite 5.7mm/0.706ct loose stone Sale price¥9,800

Mexican Cantera Opal 20.655ct Loose Sale price¥19,800

Ethiopian Opal 167.191ct Rough Stone Sale price¥39,800

Limited to 8 stones Synthetic Zincite 1 stone rough Multiple purchase discount available Sale price¥3,980

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） 0.135ctルース

Madagascan Andesine-Labradorite (Commonly known as Rainbow Moonstone) 0.135ct Loose Stone Sale price¥8,800

Bezel setting (Fukurin) + 5000 yen Sale price¥5,000

Limited to 2 stones: 1 Brazilian Madeira citrine loose stone (round cut, 4.7mm) Multiple purchase discounts available Sale price¥3,980

Limited to 9 stones: 1 Indian Sillimanite Cat's Eye Loose Stone (8 x 6 mm) Multiple purchase discounts available Sale price¥3,980

Limited to 8 stones: 1 Indian Sillimanite Cat's Eye Loose Stone (9 x 7 mm) Multiple purchase discounts available Sale price¥4,980

Limited to 7 stones: 1 rough spinel stone (bicolor spinel, etc.) 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.