Login

Sale

Sort by
タンザニア産スペサルティンガーネット 0.209ctルース

[10/11 22:00] Tanzanian Spessartine Garnet 0.209ct Loose Stone Sale price¥4,980
ベトナム産アクアマリン 1.728ctルース

[On Sale at 10pm on 10/7] 1.728ct Loose Aquamarine from Vietnam Sale price¥18,800
[On sale from 10/4 at 10 PM] [Limited to 17 stones] Tanzanian Bicolor Sapphire Loose Stone [Multiple purchase discounts available]

[On sale from 10/4 at 10 PM] [Limited to 17 stones] Tanzanian Bicolor Sapphire Loose Stone [Multiple purchase discounts available] Sale price¥4,580
[On sale at 10 PM on September 29th] [Limited to 14 stones] Brazilian Dendritic Quartz Loose Stone (Average 7 carats) [Multiple purchase discounts available]

[On sale at 10 PM on September 29th] [Limited to 14 stones] Brazilian Dendritic Quartz Loose Stone (Average 7 carats) [Multiple purchase discounts available] Sale price¥2,980
[On sale from 10/3 at 10 PM] [Limited to 9 stones] Tanzanite loose stone from Tanzania (5x7mm, oval cut) [Multiple purchase discounts available]

[On sale from 10/3 at 10 PM] [Limited to 9 stones] Tanzanite loose stone from Tanzania (5x7mm, oval cut) [Multiple purchase discounts available] Sale price¥12,800
[On Sale 10/3 at 10 PM] [Limited to 15 stones] Brazilian Silky Alexandrite Loose Stone (2.5-3.0mm, Round Cut) [Multiple Purchase Discounts Available]

[On Sale 10/3 at 10 PM] [Limited to 15 stones] Brazilian Silky Alexandrite Loose Stone (2.5-3.0mm, Round Cut) [Multiple Purchase Discounts Available] Sale price¥7,980
Limited to 25 stones: One loose rhodochrosite stone (4mm cabochon cut) from Sutton Holm, USA. Discounts available for multiple purchases.

Limited to 25 stones: One loose rhodochrosite stone (4mm cabochon cut) from Sutton Holm, USA. Discounts available for multiple purchases. Sale price¥4,580
[Available at 10:00 PM on October 11th] Officially Licensed Product: Yokohama DeNA BayStars Gold Mini Figure "DB. Starman" (Limited to 100 units each) Available in Silver or 18K Gold

[Available at 10:00 PM on October 11th] Officially Licensed Product: Yokohama DeNA BayStars Gold Mini Figure "DB. Starman" (Limited to 100 units each) Available in Silver or 18K Gold Sale priceFrom ¥12,800
Limited to 16 stones: Greenland Ruby, 1.2mm, Loose (Top Quality, Drawstring Pouch Included) Multiple Purchase Discounts Available

Limited to 16 stones: Greenland Ruby, 1.2mm, Loose (Top Quality, Drawstring Pouch Included) Multiple Purchase Discounts Available Sale price¥3,980
ナイジェリア産モルガナイト 1.149ctルース

[On sale at 10pm on September 28th] Nigerian Morganite 1.149ct Loose Stone Sale price¥19,800
イエローダイヤモンド 0.165ctルース(FANCY VIVID ORANGY YELLOW, SI-2)

[On Sale at 10 PM on September 28th] Yellow Diamond 3.4mm/0.165ct Loose (Fancy Vivid Orangy Yellow, SI-2) Sale price¥29,800
ジンバブエ産バイカラーユークレース 0.146ctルース

[On Sale at 10 PM on September 28th] Zimbabwean Bicolor Euclase 0.146ct Loose Stone Sale price¥35,800
ベニトアイト 2.2mm/0.270ctルース（グラデーションセット）

[Available at 10 PM on September 28th] American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set) Sale price¥69,800
ルチル 6.213ctルース

[Sold at 10 PM on September 28th] Set of 2 Rutile Stones, 6.213ct (Rough Stone + Loose Stone) Sale price¥59,800
ボリビア産フォスフォフィライト 0.436ctルース

[On Sale at 10 PM on September 28th] Bolivian Phosphophyllite 0.436ct Loose Stone with Certificate of Authenticity Sale price¥298,000
マラウイ産バイカラージルコン 0.811ctルース

[On Sale at 10 PM on September 28th] Malawi Bicolor Zircon 0.811ct Loose Stone Sale price¥29,800
マラウイ産バイカラージルコン 1.661ctルース

[On Sale at 10 PM on September 28th] Malawi Bicolor Zircon 1.661ct Loose Stone Sale price¥59,800
[On sale at 10 PM on September 28th] [Limited to 9 sets] Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]

[On sale at 10 PM on September 28th] [Limited to 9 sets] Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available] Sale price¥6,980
タンザニア産ドラゴンガーネット 0.710ctルース

[On Sale at 10 PM on September 23rd] Tanzanian Dragon Garnet 0.710ct Loose Stone Sale price¥19,800
ボルダーオパール 1.868ctルース

Australian boulder opal 1.868ct loose Sale price¥18,800
オーストラリア産ボルダーオパール 1.675ctルース

Australian boulder opal 1.675ct loose Sale price¥14,800
オーストラリア産ボルダーオパール 28.880ctルース

Australian boulder opal 28.880ct loose Sale price¥59,800
イタリア産リューサイト 0.130ctルース

Italian leucite 0.130ct loose Sale price¥8,800
イタリア産リューサイト 0.359ctルース

Italian leucite 0.359ct loose Sale price¥12,800
スリランカ産ホワイトサファイア 2.9mm/0.086ctルース（ローズカット）

Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut) Sale price¥3,980
マダガスカル産カラーチェンジガーネット 0.855ctルース

Color change garnet from Madagascar 0.855ct loose Sale price¥9,800
マダガスカル産カラーチェンジガーネット 0.648ctルース

Color change garnet from Madagascar 0.648ct loose Sale price¥8,800
ベニトアイト 0.095ctルース

Benitoite 0.095ct loose Sale price¥18,800
ブラジル産ピンクインペリアルトパーズ 0.322ctルース

Brazilian pink imperial topaz 0.322ct loose Sale price¥12,800
マダガスカル産スフェーン 0.711ctルース

Sphene from Madagascar 0.711ct loose Sale price¥19,800
マダガスカル産スフェーン 0.765ctルース

Sphene from Madagascar 0.765ct loose Sale price¥15,800
アウイナイト 0.074ctルース

Hauinite 0.074ct loose Sale price¥19,800
アメリカ産アントヒルガーネット 5mm/0.540ctルース

American Anthill Garnet (Chrome Pyrope Garnet) 5mm/0.540ct Loose Sale price¥22,800
ブルージルコン 3.280ctルース

Blue zircon 3.283ct loose Sale price¥75,800
ブラジル産パライバトルマリン 0.275ctルース（CuO:1.5％.MnO:2.3％）

Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%) Sale price¥358,000
合成モアッサナイト 0.748ctルース

Synthetic moissanite 6mm/0.748ct loose (star cut) Sale price¥19,800
ミャンマー産ピンクスピネル 0.650ctルース - カラッツSTORE

Myanmar Pink Spinel 0.650ct Loose Sale price¥16,800
コロンビア産エメラルドキャッツアイ 0.190ctルース

Colombian emerald cat's eye 0.190ct loose Sale price¥15,800
Red spinel 0.195ct loose

Red spinel 0.195ct loose Sale price¥5,980
【カメリアカット】カナダ産ラブラドライト（通称名：ブルームーンストーン） 14mm/9.947ct《コラボ》ルース - カラッツSTORE

[Camellia cut] Labradorite from Canada (common name: Blue Moonstone) 14mm/9.947ct《Collaboration》 Loose Sale price¥29,800
【カメリアカット】カナダ産ラブラドライト（通称名：ブルームーンストーン） 12mm/5.594ct《コラボ》ルース ワッペン付 - カラッツSTORE

[Camellia cut] Labradorite from Canada (common name: Blue Moonstone) 12mm/5.594ct《Collaboration》 Loose with emblem Sale price¥25,800
【甲州貴石切子】《月型切子》シトリン 6.097ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Citrine 6.097ct《Collaboration》With loose patch Sale price¥69,800
ブラジル産パライバトルマリン 0.154ctルース

Paraiba tourmaline from Brazil 0.154ct loose (CuO:1.1wt%, MnO:1.4wt%) Sale price¥128,000
ピンクダイヤモンド 0.051ctルース(FANCY LIGHT PINK, SI-2)

[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2) Sale price¥39,800
ロシア産デマントイドガーネット（ホーステール認む） 0.291ctルース

Russian demantoid garnet (horsetail recognized) 0.291ct loose Sale price¥49,800
ロイヤルブルーサファイア 1.44ctルース GIA

Royal blue sapphire 1.44ct loose GIA Sale price¥188,000
Benitoite 2.7mm/0.114ct loose

Benitoite 2.7mm/0.114ct loose Sale price¥25,800
ブラジル産アレキサンドライト 0.060ctルース

Brazilian alexandrite 0.060ct loose Sale price¥14,800

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.