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K18 合成オパール ペンダントトップ（ネックレストップ）

[Published on 22602652] [Colorful] K18 Synthetic Opal Pendant Top Sale price¥19,800
Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available]

Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available] Sale priceFrom ¥1,580
合成モアッサナイト1石ルース（ミントグリーン,ペアシェイプカット,5×7mm)

Synthetic moissanite 1 stone loose (mint green, pear shape cut, 5 x 7 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980
Synthetic moissanite 1 stone loose (blue moissanite, 1.2mm)《Multiple purchase discount available》

Synthetic moissanite 1 stone loose (blue moissanite, 1.2mm)《Multiple purchase discount available》 Sale price¥1,000
合成モアッサナイト1石ルース（ミントグリーン,オーバルカット,6×4mm)

Synthetic moissanite 1 stone loose (mint green, oval cut, 6 x 4 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980
《17色》宝石ガチャガチャ💎新作モアッサナイト6.5mm（H&C ハート＆キューピッド）💎《複数購入割引有》 - カラッツSTORE

《17 colors》Gem Gacha💎Synthetic Moissanite 1 stone loose (H&C Heart & Cupid, 6.5mm)💎《Multiple purchase discount available》 Sale price¥5,980
[On sale June 21st at 10 PM] Ruby Gacha (with synthetic ruby as a bonus) including two pigeon blood rubies with appraisal certificates (limited to 15 stones) - Multiple purchase discount available

[On sale June 21st at 10 PM] Ruby Gacha (with synthetic ruby as a bonus) including two pigeon blood rubies with appraisal certificates (limited to 15 stones) - Multiple purchase discount available Sale price¥5,980
Limited Edition Synthetic Moissanite Gacha! 💎 Koshu Kiriko Plus Three Moissanite, Sange Cut, Pink, and Blue Moissanite Loose Stones Available. Multiple Purchase Discounts Available.

Limited Edition Synthetic Moissanite Gacha! 💎 Koshu Kiriko Plus Three Moissanite, Sange Cut, Pink, and Blue Moissanite Loose Stones Available. Multiple Purchase Discounts Available. Sale price¥4,980
Limited to 8 stones: 1 loose synthetic alexandrite (custom cut by Mr. Sanjay, shield cut, octagonal cut, etc.) Discounts available for multiple purchases

Limited to 8 stones: 1 loose synthetic alexandrite (custom cut by Mr. Sanjay, shield cut, octagonal cut, etc.) Discounts available for multiple purchases Sale price¥6,980
合成ブラックモアッサナイト（ブラックモアサナイト）1石ルース《バンコク買付品》

Synthetic black moissanite (black moissanite) 1 stone loose (2.5mm, round cut)《Multiple purchase discount available》 Sale price¥2,980
[Limited to 4 stones] Synthetic moissanite 1 stone loose (rose cut, 5.0mm) [Discount available for multiple purchases]

[Limited to 4 stones] Synthetic moissanite 1 stone loose (rose cut, 5.0mm) [Discount available for multiple purchases] Sale price¥6,980
合成モアッサナイト 0.372ctルース

Synthetic moissanite 0.372ct loose Sale price¥9,800
合成アレキサンドライト 0.841ctルース

Synthetic Alexandrite 0.841ct loose stone Sale price¥15,800
合成アレキサンドライト 0.578ctルース

Synthetic Alexandrite 0.578ct loose stone Sale price¥12,800
Limited to 6 stones: 1 synthetic moissanite loose stone (hexagonal cut, 5mm) Multiple purchase discounts available

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

Limited to 5 stones: 1 synthetic moissanite loose stone (Sanjay cut hexagonal, 6mm) Multiple purchase discounts available Sale price¥8,800
【12555989掲載】合成オパール 0.651ctルース

Synthetic Opal (Synthetic Black Opal) 0.651ct Loose Sale price¥15,800
合成ブラックオパール 1.532ctルース

Synthetic Opal (Synthetic Black Opal) 1.532ct Loose Sale price¥15,800
合成ブラックオパール 10.910ctルース

Synthetic Opal (Synthetic Black Opal) 10.910ct Loose Sale price¥69,800
合成ブラックオパール 1.467ctルース

Synthetic Opal (Synthetic Black Opal) 1.467ct Loose Sale price¥12,800
合成アレキサンドライト 0.282ctルース

Synthetic Alexandrite 0.282ct loose stone Sale price¥9,800
合成アレキサンドライト 0.502ctルース

Synthetic Alexandrite 0.502ct loose stone Sale price¥15,800
合成アレキサンドライト 0.330ctルース

Synthetic Alexandrite 0.330ct loose stone Sale price¥9,800
合成モアッサナイト 0.651ctルース

Synthetic Moissanite 5.9mm/0.651ct Loose Stone Sale price¥9,800
合成モアッサナイト 0.648ctルース

Synthetic Moissanite 5.9mm/0.648ct Loose Stone Sale price¥9,800
合成モアッサナイト 1.186ctルース

Synthetic Moissanite 1.186ct loose stone Sale price¥12,800
合成モアッサナイト 1.186ctルース

Synthetic Moissanite 1.186ct loose stone Sale price¥12,800
合成ブラックオパール 1.209ctルース

Synthetic black opal 1.209ct loose stone Sale price¥18,800
合成ブラックオパール 2.996ctルース

Synthetic black opal 2.996ct loose stone Sale price¥29,800
合成ブラックオパール 5.013ctルース

Synthetic Black Opal 5.013ct Loose Sale price¥59,800
合成オパール 2.026ctルース

Synthetic Opal 2.026ct Loose Sale price¥19,800
合成アレキサンドライト 0.570ctルース

Synthetic Alexandrite 0.570ct loose stone Sale price¥18,800
合成アレキサンドライト 0.560ctルース

Synthetic Alexandrite 0.560ct loose stone Sale price¥14,800
【サンジェ氏】合成モアッサナイト 8.950ctルース

Synthetic Moissanite 13.5mm/8.950ct Loose Sale price¥39,800
【サンジェ氏】合成モアッサナイト 13mm/8.154ctルース

Synthetic Moissanite 13mm/8.154ct Loose Stone Sale price¥39,800
合成モアッサナイト 0.245ctルース

Synthetic moissanite 0.245ct loose (shield cut) Sale price¥6,980
合成モアッサナイト 0.491ctルース

Synthetic Moissanite 0.491ct loose stone Sale price¥4,980
【サンジェ氏】合成モアッサナイト 0.714ctルース

Synthetic Moissanite 0.714ct loose stone Sale price¥6,980
Synthetic Moissanite 0.509ct loose stone (tie cut)

Synthetic Moissanite 0.509ct loose stone (tie cut) Sale price¥3,980
Synthetic Moissanite 0.632ct loose stone (tie cut)

Synthetic Moissanite 0.632ct loose stone (tie cut) Sale price¥3,980
合成アレキサンドライト 0.827ctルース

Synthetic Alexandrite 5.7mm/0.827ct Loose Stone Sale price¥19,800
Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire)

Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire) Sale price¥14,800
1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)

1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire) Sale price¥9,800
合成モアッサナイト（グレーブルー） 1.701ctルース

Synthetic moissanite (gray blue) 1.701ct loose Sale price¥12,800
Synthetic Alexandrite 0.338ct loose stone

Synthetic Alexandrite 0.338ct loose stone Sale price¥12,800
Synthetic Blue Sapphire 2.012ct Loose (Synthetic Sapphire)

Synthetic Blue Sapphire 2.012ct Loose (Synthetic Sapphire) Sale price¥25,800
Synthetic Blue Sapphire 1.551ct Loose Stone (Synthetic Sapphire)

Synthetic Blue Sapphire 1.551ct Loose Stone (Synthetic Sapphire) Sale price¥15,800
Synthetic Alexandrite 4.3mm/0.430ct Loose Stone

Synthetic Alexandrite 4.3mm/0.430ct Loose Stone Sale price¥12,800

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.