Sale

Colombian mica in emerald 1.940ct loose Sale price¥49,800

Ethiopian Opal 1.521ct Loose Sale price¥3,980

Ethiopian Opal 1.014ct Loose Sale price¥3,980

Brazilian cat's eye emerald 4.070ct loose stone Sale price¥198,000

Myanmar Musgravite/Spinel 8.005ct Loose Stone Japan-Germany Sale price¥98,000

Myanmar Musgravite 0.214ct Loose Stone Nikko Kan Sale price¥258,000

Brazilian Watermelon Tourmaline 14.780ct Loose Stone (Bahia Color Tourmaline) Sale price¥128,000

Fukuoka SoftBank Hawks Persol CS Pacific League Breakthrough Sale! Limited Quantity & Limited Time 10% Discount ¥398,000 → ¥358,200. SoftBank Hawks 20th Anniversary Pure Gold Oval Coin (Limited to 200 Coins). Sale priceFrom ¥358,200

Fukuoka SoftBank Hawks "Young Hawk Ring" - Double Type | SV925, Yellow Chalcedony, White Chalcedony - Sale price¥21,480

Fukuoka SoftBank Hawks "Young Hawk Ring" - Single Type | SV925 Yellow Chalcedony - Sale price¥15,480

Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥35,800 → ¥29,800) Yokohama DeNA BayStars Visitor's Blue Ring - Double Type | SV925, Sea Blue Chalcedony, White Chalcedony Sale price¥29,800

Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥35,800 → ¥29,800) Yokohama DeNA BayStars Home Blue Ring - Double Type | SV925, Sea Blue Chalcedony, White Chalcedony Sale price¥29,800

Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥25,800 → ¥21,800) Yokohama DeNA BayStars Visitor's Blue Ring - Single Type | SV925 Sea Blue Chalcedony Sale price¥21,800

Officially Licensed Product: Limited Quantity & Limited Time 15% Off (¥25,800 → ¥21,800) Yokohama DeNA BayStars Home Blue Ring - Single Type | SV925 with White Chalcedony Sale price¥21,800

Burmese Ruby 3.725ct Loose GIA & Chuho Sale price¥198,000

Australian Iron Opal 17.450ct Loose Sale price¥12,800

Kunzite from Afghanistan 8.609ct loose stone Sale price¥14,800

Spanish Andalusite 0.74ct loose stone Sale price¥6,980

Australian Boulder Opal 41.770ct Loose Sale price¥29,800

Australian Boulder Opal 15.020ct Loose Sale price¥18,800

Australian Boulder Opal 12.220ct Loose Sale price¥12,800

【KEN氏】メキシコ産ファイアオパール 1.330ctルース - カラッツSTORE

Mexican Fire Opal 1.330ct Loose (Contralus Opal) Sale price¥19,800

【KEN氏】メキシコ産ファイアオパール 1.610ctルース - カラッツSTORE

Mexican Fire Opal 1.610ct Loose (Contralus Opal) Sale price¥19,800

Brazilian Pink Euclase 1.259ct Loose Stone Japan-Germany Sale price¥3,980,000

Sri Lankan bicolor sapphire 0.304ct loose stone Sale price¥14,800

Indian Star Garnet 14.200ct Loose Stone (6 Rows) Sale price¥5,980

Sri Lankan Purple Star Sapphire 2.461ct Loose Sale price¥69,800

【山本武氏】ブラジル産ルチルクォーツ（ルチルレイテッドクォーツ） 31.967ctルース

[Takeshi Yamamoto] Brazilian rutilated quartz (rutilated quartz) 31.967ct loose stone Sale price¥59,800

[Takeshi Yamamoto] Brazilian Ametrine 29.930ct loose stone Sale price¥79,800

ロシア産デマントイドガーネットキャッツアイ（ホーステール認む） 2.8mm/0.188ctルース

Russian demantoid garnet cat's eye (horsetail recognized) 2.8mm/0.188ct loose Sale price¥25,800

Brazilian Bicolor Tourmaline 4.554ct Ruth Japanese-German Edition Sale price¥298,000

【甲州貴石切子】ティンカーベルクォーツ（ピンクファイヤークォーツ） 5.560ctルース

[Koshu Precious Stone Cut] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 5.560ct Loose Patch Sale price¥55,800

South African diamond rough stone 0.330ct Sale price¥5,980

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.5mm) Multiple purchase discounts available Sale price¥6,980

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.2mm) Multiple purchase discounts available Sale price¥5,980

Limited to 25 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.0 mm) Multiple purchase discounts available Sale price¥5,980

Limited to 11 stones: Brazilian rhodonite in quartz (cabochon, 7.5-8.5mm) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980

Kyanite from Nepal, 1 loose stone (indigo blue color, 4 x 6 mm, emerald cut) {Multiple purchase discount available} Sale price¥6,980

Mexican Cantera Opal 6.112ct Loose Sale price¥59,800

Brazilian Indigolite Tourmaline 0.162ct Loose Stone with Certificate of Authenticity Sale price¥11,000

Cambodian Blue Zircon (Ratanakiri Blue) 6.771ct Loose Sale price¥168,000

Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone Sale price¥12,800

Mozambique Almandine Garnet 0.774ct Loose Stone Sale price¥8,800

Mozambique Almandine Garnet 0.477ct Loose Stone Sale price¥8,800

Australian Prehnite 6.0mm/1.004ct loose stone (rose cut) Sale price¥8,800

Australian Prehnite 6.0mm/0.993ct loose stone (rose cut) Sale price¥8,800

Brazilian Rutile Cat's Eye 3.856ct Loose Stone (Red Rutile Quartz) Sale price¥18,800

Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz) Sale price¥16,800

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.