Sale

Andalusite from Sri Lanka 0.408ct loose Sale price¥3,980

Andalusite from Sri Lanka 0.361ct loose Sale price¥3,980

Pink tourmaline cat's eye 5.460ct loose Sale price¥8,800

Bicolor tourmaline 6.40ct loose Sale price¥7,980

【甲州貴石切子】レピドクロサイトインクォーツ 44.310ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] Lepidocrocite in Quartz 44.310ct《Collaboration》Loose with emblem Sale price¥59,800

ブラジル産パライバトルマリン 0.229ctルース（CuO:0.8%、MnO:2.2%）

Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%) Sale price¥39,800

[Available at 10 PM on August 31st] [Limited to 9 stones] Brazilian Rainbow Aquamarine Loose Stone (Average 1.0 carat, Pear Sheep Cut) [Multiple purchase discounts available] Sale price¥5,980

[Available at 10 PM on August 30th] Limited to 10 stones: Madagascar Sapphirine (Sapphirine) Loose Stone [Multiple purchase discounts available] Sale price¥5,980

[Available at 10 PM on August 30th] Limited to 8 stones: One loose Brazilian rainbow aquamarine (average 0.9 carat, pear cut) [Multiple purchase discounts available] Sale price¥4,980

[On Sale at 10 PM on August 31st] Paraiba Tourmaline from Mozambique, 3.5mm/0.172ct Loose Stone Sale price¥15,800

[On Sale at 10 PM on August 31st] Brazilian Elestial Amethyst 0.809ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 31st] Brazilian Elestial Amethyst 0.673ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on September 2nd] Brazilian Elestial Amethyst 1.028ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on September 2nd] Brazilian Elestial Amethyst 0.724ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 31st] Colombian Mint Emerald 0.214ct Loose Sale price¥8,800

[On Sale at 10 PM on August 28th] Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone Sale price¥29,800

[On Sale at 10 PM on September 1st] Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone Sale price¥24,800

[On Sale at 10 PM on August 28th] Brazilian Blue Tourmaline 0.353ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on August 28th] Brazilian Mint Color Tourmaline 0.145ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on September 1st] Brazilian Green Tourmaline 0.194ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on September 1st] Brazilian Dumortierite in Quartz 2.453ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 1.911ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 1.894ct Loose Stone Sale price¥15,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 1.451ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 0.978ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on August 29th] 0.169ct Loose Pink Sapphire from Mozambique Sale price¥6,980

[On sale at 10 PM on September 1st] 0.374ct loose blue sapphire from Madagascar Sale price¥9,800

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） 1.014ctルース

[On Sale at 10 PM on August 30th] Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.014ct Loose Stone Sale price¥15,800

[On Sale at 10 PM on August 30th] Russian Demantoid Garnet (Horsetail) 0.115ct Loose Stone Sale price¥18,800

Cambodian Zircon 1.860ct Loose Sale price¥12,800

Topaz 1.680ct loose stone Sale price¥18,800

Mexican Topaz 1.66ct Loose Stone Sale price¥15,800

Dumortierite in quartz 4.110ct loose Sale price¥18,800

Kenyan gold sheen sapphire 2.2mm/0.052ct loose Sale price¥8,800

Oregon Sunstone 2.120ct loose Sale price¥25,800

【KEN氏】アフリカ産バイカラートルマリン 0.950ctルース（ファントムカット） - カラッツSTORE

African bicolor tourmaline 0.950ct loose stone (phantom cut) Sale price¥9,800

ブラジル産パライバトルマリン 0.230ctルース（CuO:0.8%、MnO:3.3%）

Paraiba tourmaline from Brazil 0.230ct loose (CuO:0.8%, MnO:3.3%) Sale price¥29,800

Bicolor sapphire 0.856ct loose Sale price¥18,800

ロシア産デマントイドガーネット（ホーステール認む） 5.2mm/0.633ctルース

Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose Sale price¥198,000

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） 4.920ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 4.920ct loose Sale price¥5,980

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） 5.240ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 5.240ct loose Sale price¥2,980

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） 6.180ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 6.180ct loose Sale price¥3,980

ロシア産デマントイドガーネット（ホーステール認む） 4.6mm/0.425ctルース

Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose Sale price¥69,800

ロシア産デマントイドガーネット（ホーステール認む） 4.4mm/0.382ctルース

Russian demantoid garnet (horsetail recognized) 4.4mm/0.382ct loose Sale price¥79,800

ロシア産デマントイドガーネット（ホーステール認む） 3.2mm/0.175ctルース

Russian demantoid garnet (horsetail recognized) 3.2mm/0.175ct loose Sale price¥15,800

Aquamarine 15mm/10.190ct loose Sale price¥69,800

Unheated sapphire 2.430ct loose GIA Sale price¥298,000

Aquamarine 68.040ct loose Sale price¥39,800

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.