Sale

[On sale June 7, 10 PM JST] Australian Boulder Opal 12.216ct Loose Stone Sale price¥15,800

[On sale June 7th at 10 PM] Nepal Green Kyanite 0.764ct Loose Stone Sale price¥6,980

Tanzanian Chrome Tourmaline 0.522ct Loose Stone Sale price¥3,980

Colombian Trapiche emerald 0.611ct rough stone Sale price¥59,800

Non-Oil Emerald 1.370ct Loose GIA Sale price¥1,580,000

Colombian oil-free emerald 0.310ct loose stone Sale price¥298,000

Brazilian alexandrite 0.061ct loose Sale price¥12,800

Brazilian alexandrite 0.058ct loose Sale price¥11,000

Brazilian alexandrite 0.051ct loose Sale price¥9,800

Brazilian alexandrite 0.060ct loose Sale price¥11,000

Salt and pepper diamond 0.446ct loose Sale price¥39,800

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） 3.251ctルース

Andesine Labradorite (also known as Rainbow Moonstone) 7.7mm/3.251ct Loose Stone (Sphere) Sale price¥29,800

Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire) Sale price¥9,800

Goshenite 6.1mm/0.905ct loose stone Sale price¥7,980

Purple Spinel 4.3mm/0.323ct Loose Stone Sale price¥6,980

Violet spinel 0.301ct loose Sale price¥6,980

Pink tourmaline 6.1mm/1.031ct loose stone Sale price¥12,800

Pink tourmaline 0.466ct loose Sale price¥8,800

Tanzania Zoisite 0.278ct loose stone Sale price¥7,980

Zoisite 0.216ct loose stone (heart shape) Sale price¥7,980

Zoisite 0.162ct loose stone (heart shape) Sale price¥7,980

Zoisite 0.247ct loose stone (heart shape) Sale price¥7,980

[On sale May 26th, 10 PM] Colorful K18WG Diamond 0.40ct Pendant (Necklace) Sale price¥79,800

Pt900 ブラジル産パライバトルマリン 0.06ct ペンダント（ネックレス）

[On sale 5/26 10 PM] [Colorful] Pt900 Paraiba Tourmaline from Brazil 0.06ct / Diamond 0.18ct Pendant Top (CuO:2.6%, MnO:3.5%) Sale price¥69,800

Pt900 アイスブルーダイヤモンド（トリートメント） 0.256ctct ペンダント（ネックレス）

[On Sale 5/26 at 10 PM] Colorful Pt900 Ice Blue Diamond (Treated) 0.256ct / Diamond 0.06ct Pendant (Necklace) Sale price¥98,000

[On sale May 30th at 10 PM] [Colorfri] K18 Synthetic Ruby / Synthetic Spinel Pendant Top (Necklace Top) with Certificate of Authenticity Sale price¥98,000

【Calafuri】K18 Quartzite Pendant Top (Necklace Top) Sale price¥49,800

Pt900 ダイヤモンド 0.65ctct ペンダントトップ（ネックレストップ）

[Colorful] Pt900 Diamond 0.65ct Pendant Top Sale price¥89,800

[On Sale June 3rd, 10 PM JST] Andalusite from Spain, 0.425 ct Loose Stone Sale price¥9,800

[On sale at 10 PM on June 7] Andalusite from Spain, 0.930ct loose gemstone Sale price¥12,800

[On Sale June 7th, 10 PM] Andalusite from Spain, 0.582 ct loose stone Sale price¥7,980

[On sale June 7th at 10 PM] Spanish Andalusite 0.571ct Loose Gemstone Sale price¥7,980

[On sale June 7th at 10 PM] Andalusite from Spain, 0.536ct loose stone Sale price¥9,800

[On sale May 24th at 10 PM] Andalusite from Spain 0.598ct Loose Gemstone Sale price¥9,800

[On sale May 24th at 10 PM] Andalusite from Spain, 0.478ct loose stone Sale price¥8,800

[On sale May 24th at 10 PM] Madagascar Apatite Cat's Eye 2.800ct Loose Gemstone, Nissaiju Sale price¥29,800

[On sale May 24th, 10 PM JST] Brazilian Color-Shift Amethyst 1.865ct Loose Gemstone Sale price¥9,800

[Sale on 5/17 at 10 PM] Cinnabar from Xinhua, Hunan Province, China, 1.056 ct Loose Stone with Gemological Report Sale price¥18,800

[Sale begins May 18th, 10 PM JST] Chinese Cinnabar (Hunan Province) 0.867ct Loose Stone with Certification Sale price¥13,800

[On sale May 15, 10 PM JST] Chinese Cinnabar from Hunan Province, 0.842ct Loose Stone with Certificate Sale price¥15,800

[On Sale May 17th at 10 PM] Sri Lankan Chrysoberyl Cat's Eye 4.3mm/0.582ct Loose Stone Sale price¥15,800

【On sale May 15 at 10 PM】Sri Lankan Chrysoberyl Cat's Eye 4.5mm/0.419ct Loose Stone Sale price¥15,800

[On sale May 17th at 10 PM] Indian Parrot Chrysoberyl 0.641ct Loose Stone Sale price¥14,800

[On sale May 23rd, 10 PM JST] Indian Parrot Chrysoberyl 0.518 ct Loose Stone Sale price¥29,800

[Sale at 10 PM on May 22] GGG (Gadolinium Gallium Garnet) 0.511 ct Loose Stone Sale price¥12,800

[On sale May 22nd at 10 PM] Synthetic Alexandrite 4.3mm/0.379ct Loose Stone Sale price¥9,800

[On Sale May 24, 10 PM JST] Synthetic Alexandrite Loose Stone 0.885ct Sale price¥18,800

[On sale May 24th, 10 PM JST] Synthetic Alexandrite 5.8mm/0.979ct Loose Stone Sale price¥22,800

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.