Sale

【9/ 22:00 Release】《Limited to 13 stones》 Bicolor Sapphire, Avg 0.27ct 《Multi-buy discount available》 Sale price¥7,980

Pt900 ピンクサファイア 0.42ct ダイヤモンド 0.05ctリング日独鑑

[Item 22602811] [Coloriful] Pt900 Pink Sapphire 0.42ct Diamond 0.05ct Ring with Appraisal Report Sale price¥59,800

K18 揺れるダイヤモンド 0.211ct ダイヤモンド0.35ct ペンダント（ネックレス）

[Item 22602804][Colori] K18 0.211ct Diamond & 0.35ct Diamond Pendant (Necklace) Sale price¥158,000

[Available Oct 9, 10:00 PM] <<limited quantity>> Lab-Grown Diamond Cabochon Loose Stone (1pc) (CVD / 2.4-2.7mm) <<multi-purchase discount available>></multi-purchase></limited>

[Available Oct 9, 10:00 PM] <> Lab-Grown Diamond Cabochon Loose Stone (1pc) (CVD / 2.4-2.7mm) <> Sale priceFrom ¥5,280

インターナリーフローレスダイヤモンド（H&C） 4.2mm/0.280ctルース(D, IF, 3Excellent H&C) GIA&中宝

[Lottery Sale_12] [For Winners Only] [Ref: 32501798] Internally Flawless Diamond (H&C) 4.2mm/0.280ct Loose Stone (D, IF, 3Excellent H&C) GIA Sale price¥138,000

インターナリーフローレスダイヤモンド（H&C） 4.7mm/0.413ctルース(D, IF, 3Excellent H&C)　GIA

【10/5 10:00 PM Release】Internally Flawless Diamond (H&C) 4.7mm / 0.413ct Loose Stone (D, IF, 3Excellent H&C) GIA & CGL Certified Sale price¥178,000

[Sat, Sep 5, 10:00 AM Deadline: Lottery Sale_10] Colombian Non-Oiled Emerald 0.290ct Loose Stone GIA Sale price¥178,000

[Ref: 12564102] Pink Sapphire from Sri Lanka, 0.142ct loose stone Sale price¥9,800

[12563017 listed] Pink Sapphire 0.143ct Loose Stone Sale price¥12,800

[Item 12564297] Phenakite from Malyshevo, Russia, 1.491ct Loose Stone Sale price¥53,800

[Ref: 12564306] Brazilian Emerald Cat's Eye 0.582ct Loose Gemstone Sale price¥22,800

ケニア産ケニア産ゴールドシーンサファイア（スターサファイア） 0.311ctルース

[Item 12564329] Kenyan Gold Sheen Sapphire (Star Sapphire) 0.311ct Loose Stone Sale price¥24,800

[Item 12564332] Kenyan Gold Sheen Sapphire 0.859ct Loose Gemstone Sale price¥59,800

[Available 10/3 at 10:00 PM] <limited to stones> Chic-colored FANCY color diamond gacha, sourced in Hong Kong, 1 loose stone (avg. 0.35ct) <multi-purchase discount available></multi-purchase></limited>

[Available 10/3 at 10:00 PM] Chic-colored FANCY color diamond gacha, sourced in Hong Kong, 1 loose stone (avg. 0.35ct) Sale price¥8,800

[Oct 3, 10:00 PM Release] 《21 Stones Only》 Chic-colored FANCY color diamond gacha, 1 loose stone (0.16ct average), sourced in Hong Kong 《Multi-purchase discounts available》 Sale price¥3,980

Brazilian Rainbow Aquamarine (Iridescent Aquamarine) Loose Stone (Heart Shape) (Multiple Purchase Discounts Available) Sale price¥5,980

[Available Oct 3, 10 PM] <limited stones> Moldavite loose stone from former Czechoslovakia (8x6mm, oval cut) <multi-purchase discount available></multi-purchase></limited>

[Available Oct 3, 10 PM] Moldavite loose stone from former Czechoslovakia (8x6mm, oval cut) Sale price¥7,980

[Available 10/4, 10:00 PM] Mongolian Andesine 8.1mm/1.935ct Loose Gemstone Sale price¥18,800

[Lottery Sale_01][For Winners Only][Item 12564184] East African Unheated Bicolor Sapphire 0.510ct Loose GIA Sale price¥98,000

Pt900 ピンクトルマリン 1.53ct ダイヤモンド 0.22ctペンダントトップ（ネックレストップ）鑑別書

[9/22 (Wed) 10 AM Deadline: Lottery Sale_15] Pt900 Pink Tourmaline 1.53ct & Diamond 0.22ct Pendant Top (Necklace Top) with Appraisal Report Sale price¥118,000

K18WG スリランカ産ブルーサファイア 1.22ct ダイヤモンド0.14ctリング鑑別書

[9/4 (Lottery Sale_11)] 18K White Gold Sri Lankan Blue Sapphire 1.22ct and Diamond 0.14ct Ring with Appraisal Report Sale price¥128,000

Pt900 スリランカ産パープルサファイア 4.3mm/0.35ctダイヤモンド0.54ctリング鑑別書

[9/14 (Mon) 10:00 AM Deadline: Lottery Sale_12] Pt900 Sri Lankan Purple Sapphire 4.3mm/0.35ct Diamond 0.54ct Ring with Appraisal Report Sale price¥158,000

インターナリーフローレスダイヤモンド 3.7mm/0.238ctルース(E, IF)

[Deadline: Wed, 9/22, 10:00 AM: Lottery Sale_11] Internally Flawless Diamond 3.7mm/0.238ct Loose Stone (E, IF) Sale price¥59,800

[Available 10/7, 10 PM] Kochi Prefecture Blood Red Coral Loose Stone, 9.736ct Sale price¥39,800

[On sale 10/4 at 22:00] Kochi Prefecture oxblood coral 9.962ct loose stone Sale price¥59,800

[On sale 10/4 at 10 PM] Kochi Prefecture Blood Red Coral 7.253ct Loose Stone Sale price¥49,800

【10/3 10 PM Release】Unheated Bicolor Sapphire from Winza, Tanzania 0.500ct Loose Gemstone with Identification Report Sale price¥59,800

[Available 10/2 at 10 PM] Unheated Bicolor Sapphire from Winza, Tanzania, 0.460ct Loose Stone with Gem Identification Report Sale price¥59,800

[Available 10/3 at 10 PM] Tanzanian Cobalt Spinel 3.6mm/0.187ct Loose Stone, JGL Origin Report Included Sale price¥98,000

[Available Oct 3, 10 PM] Pakistani Väyrynenite 0.066ct Loose Gemstone Sale price¥14,800

[Available 10/3, 10 PM] Pakistan Vayrynenite 0.076ct Loose Gemstone Sale price¥16,800

[Available 10/3, 10 PM] Pakistani Väyrynenite 0.095ct Loose Gemstone Sale price¥19,800

[10/3 10 PM Release] Afghan Hauyne 0.093ct Loose Stone Sale price¥22,800

[10/3 10 PM Sale] Afghan Hauyne 0.095ct Loose Gemstone Sale price¥18,800

[Available 10/3, 10:00 PM] Afghan Hauyne 0.067ct Loose Stone Sale price¥12,800

[10/7 10:00 PM Release] Afghan Hauyne 0.082ct Loose Stone Sale price¥12,800

[Available 10/10 at 22:00] Afghan Hauyne 0.226ct Loose Gemstone Sale price¥18,800

【Available 10/17 at 10 PM】 Afghan Hauyne 0.199ct Loose Stone Sale price¥22,800

[Available 10/7 at 10 PM] Afghan Hauyne 0.183ct Loose Gemstone Sale price¥19,800

[Available 10/2 at 10 PM] Mozambique Paraiba Tourmaline 0.135ct Loose Stone Sale price¥7,980

[Available 10/2, 10:00 PM] Mozambique Paraiba Tourmaline 0.096ct Loose Gemstone Sale price¥6,980

[10/3 10 PM Sale] Colombian Emerald 0.126ct Loose Gemstone with Appraisal Report Sale price¥39,800

[10/3 10 PM Sale] Colombian Emerald 0.211ct Loose Gemstone with Identification Report Sale price¥59,800

[Available 10/3, 10:00 PM] Santa Maria Aquamarine from Brazil, 0.318ct loose stone, with certificate of authenticity Sale price¥29,800

[10/10 10:00 PM Release] Mongolian Color-Change Andesine 7.0mm/1.327ct Loose Gemstone Sale price¥14,800

【Available 10/3 at 10 PM】 Colombian Mica-in-Emerald 4.2mm/0.249ct Loose Gemstone with Certificate of Authenticity Sale price¥22,800

[Available Oct 11, 10 PM] Colombian Pyrite and Mica in Emerald 0.432ct Loose Stone with Identification Report Sale price¥35,800

[Available 10/4, 10 PM] Brazilian Amethyst 4.850ct Loose Gemstone 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.