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《Products eligible for multiple purchase discount》

If you purchase two or more products that have "Multiple purchase discount available" in the product title, a discount will be applied to the total price of the eligible products.
・If you purchase 2 items, you will receive a 1,000 yen discount on the total amount.
・If you purchase 3 items, you will receive a 1,500 yen discount on the total.
・If you purchase 4 items, you will receive a 2,000 yen discount on the total.

《Multiple purchase discount available》 If the products are the same, you can get a discount even if you combine different products and buy 2 or more products.

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Sold out Win two unheated royal blue sapphires (with AIGS certificate) in the Blue Sapphire Lottery (Multiple purchase discounts available)

Win two unheated royal blue sapphires (with AIGS certificate) in the Blue Sapphire Lottery (Multiple purchase discounts available)
Sold out Garnet Gacha Loose Stone with Two Koshu Cut Precious Stones (Multiple Purchase Discounts Available)

Garnet Gacha Loose Stone with Two Koshu Cut Precious Stones (Multiple Purchase Discounts Available)
Sold out Ruby Lottery: Win a 0.59ct Pigeon Blood Ruby with AIGS or a Burmese Star Ruby (Multiple Purchase Discounts Available)

Ruby Lottery: Win a 0.59ct Pigeon Blood Ruby with AIGS or a Burmese Star Ruby (Multiple Purchase Discounts Available)
Sold out Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]

Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]
Sold out Limited to 10 stones: Greenland Ruby (2mm, with certificate issued by the mine owner) - 1 loose stone - Multiple purchase discounts available

Limited to 10 stones: Greenland Ruby (2mm, with certificate issued by the mine owner) - 1 loose stone - Multiple purchase discounts available
Sold out Limited to 10 stones: Paraiba Tourmaline Gacha 💎 Paraiba Tourmaline or Paraiba Tourmaline in Quartz (1 loose stone) [Multiple purchase discounts available]

Limited to 10 stones: Paraiba Tourmaline Gacha 💎 Paraiba Tourmaline or Paraiba Tourmaline in Quartz (1 loose stone) [Multiple purchase discounts available]
Sold out Limited Edition of 10 Bicolor Gacha! 💎 Includes two Zimbabwean euclase stones (average 0.088ct), a 1.03ct bicolor sapphire, a bicolor chrysoberyl, and more. Discounts available for multiple purchases.

Limited Edition of 10 Bicolor Gacha! 💎 Includes two Zimbabwean euclase stones (average 0.088ct), a 1.03ct bicolor sapphire, a bicolor chrysoberyl, and more. Discounts available for multiple purchases.
Sold out Limited Edition of 11 Rare Stones! 💎 Two 0.23ct Paraiba Tourmalines from Batalha, Brazil, a Pink Diamond, and a Benitoite Loose Stone. Discounts available for multiple purchases.

Limited Edition of 11 Rare Stones! 💎 Two 0.23ct Paraiba Tourmalines from Batalha, Brazil, a Pink Diamond, and a Benitoite Loose Stone. Discounts available for multiple purchases.
Sold out One loose, oil-free emerald from Russia (2.8mm, round cut) (Multiple purchase discounts available)

One loose, oil-free emerald from Russia (2.8mm, round cut) (Multiple purchase discounts available)
Sold out Limited to 6 stones: One loose, oil-free emerald from Russia (3.2mm, round cut) [Multiple purchase discounts available]

Limited to 6 stones: One loose, oil-free emerald from Russia (3.2mm, round cut) [Multiple purchase discounts available]
Sold out Limited to 14 stones: One loose Mozambique hot pink sapphire (pear-shaped, approximately 4 x 3 mm) [Multiple purchase discounts available]

Limited to 14 stones: One loose Mozambique hot pink sapphire (pear-shaped, approximately 4 x 3 mm) [Multiple purchase discounts available]

Sold out Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)

Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)
Sold out Brazilian Dendritic Quartz Kitten Cut Loose Stone (For Beginners) (5mm) (Multiple Purchase Discounts Available)

Brazilian Dendritic Quartz Kitten Cut Loose Stone (For Beginners) (5mm) (Multiple Purchase Discounts Available)
Sold out Limited to 3 stones: Myanmar gray spinel and platinum spinel (4.0mm, round cut) loose stone (multiple purchase discounts available)

Limited to 3 stones: Myanmar gray spinel and platinum spinel (4.0mm, round cut) loose stone (multiple purchase discounts available)

Sold out Greenland Ruby Loose (approx. 2.3mm, Top Color, Certificate Included) (Multiple Purchase Discounts Available)

Greenland Ruby Loose (approx. 2.3mm, Top Color, Certificate Included) (Multiple Purchase Discounts Available)

Sold out Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) {Multiple Purchase Discounts Available}

Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) {Multiple Purchase Discounts Available}

Sold out Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]

Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]

Sold out Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)

Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)
Sold out Limited to 3 stones: Synthetic Black Moissanite Loose Stone (2.5mm, Round Cut) - Multiple Purchase Discounts Available

Limited to 3 stones: Synthetic Black Moissanite Loose Stone (2.5mm, Round Cut) - Multiple Purchase Discounts Available
Sold out Limited to 10 stones: Brazilian Bicolor Tourmaline (Baguette Cut) - 1 loose stone. Discounts available for multiple purchases.

Limited to 10 stones: Brazilian Bicolor Tourmaline (Baguette Cut) - 1 loose stone. Discounts available for multiple purchases.
Sold out Limited to 4 stones: Sri Lankan Rhodolite Garnet (4mm, Round Cut) - 1 loose stone (Multiple purchase discounts available)

Limited to 4 stones: Sri Lankan Rhodolite Garnet (4mm, Round Cut) - 1 loose stone (Multiple purchase discounts available)
Sold out Limited to 17 stones: Tanzanian bicolor sapphire, loose stone (multiple purchase discounts available)

Limited to 17 stones: Tanzanian bicolor sapphire, loose stone (multiple purchase discounts available)
Sold out 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
Sold out Limited to 14 stones: 1 loose sphalerite stone from Spain (average 0.55 carats) Multiple purchase discounts available

Limited to 14 stones: 1 loose sphalerite stone from Spain (average 0.55 carats) Multiple purchase discounts available
Sold out Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture (Multiple Purchase Discounts Available)

Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture (Multiple Purchase Discounts Available)
Sold out Limited Quantity: Russian Phenakite (Round Cut, 3mm) Loose Stone (Multiple Purchase Discounts Available)

Limited Quantity: Russian Phenakite (Round Cut, 3mm) Loose Stone (Multiple Purchase Discounts Available)
Sold out Limited to 20 stones: Russian Demantoid Garnet (Round Cut, 2.0mm) Loose Stone (Multiple Purchase Discounts Available)

Limited to 20 stones: Russian Demantoid Garnet (Round Cut, 2.0mm) Loose Stone (Multiple Purchase Discounts Available)
Sold out Limited to 20 stones! Includes 2 Koshu Kiriko fire opals and 1 loose fire opal. Discounts available for multiple purchases.

Limited to 20 stones! Includes 2 Koshu Kiriko fire opals and 1 loose fire opal. Discounts available for multiple purchases.
Sold out Rainbow Garnet (Rose Cut, 3.0-5.5mm) from Tenkawa Village, Nara Prefecture, Single Loose Stone (Multiple Purchase Discounts Available)

Rainbow Garnet (Rose Cut, 3.0-5.5mm) from Tenkawa Village, Nara Prefecture, Single Loose Stone (Multiple Purchase Discounts Available)
Sold out Limited to 11 stones: One loose, unheated silky pink sapphire from Vietnam (2.0-2.5mm, with lots of inclusions) [Multiple purchase discounts available]

Limited to 11 stones: One loose, unheated silky pink sapphire from Vietnam (2.0-2.5mm, with lots of inclusions) [Multiple purchase discounts available]

Sold out Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available)

Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available)

Sold out Blue Sapphire Gacha Set Includes Two Unheated Royal Blue Sapphires (with AIGS Certificate) (Plus One Sapphire from the Teppanawa Mine) (Multiple Purchase Discounts Available)

Blue Sapphire Gacha Set Includes Two Unheated Royal Blue Sapphires (with AIGS Certificate) (Plus One Sapphire from the Teppanawa Mine) (Multiple Purchase Discounts Available)
Sold out Limited Quantity Gem Gacha! Win 1 or 2 gems, including pink diamonds and 46ct candela opals. Discounts available for multiple purchases.

Limited Quantity Gem Gacha! Win 1 or 2 gems, including pink diamonds and 46ct candela opals. Discounts available for multiple purchases.
Sold out Limited to 10 stones: Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) (Multiple purchase discounts available)

Limited to 10 stones: Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) (Multiple purchase discounts available)
Sold out Limited to 10 stones: Blue Spinel Gacha, Cobalt Spinel (including color-shifting type), 2 stones with Japanese and German appraisal certificates, and a bonus synthetic cobalt spinel. Discounts available for multiple purchases.

Limited to 10 stones: Blue Spinel Gacha, Cobalt Spinel (including color-shifting type), 2 stones with Japanese and German appraisal certificates, and a bonus synthetic cobalt spinel. Discounts available for multiple purchases.
Sold out One loose, oil-free emerald from Russia (2.2mm, round cut) (Multiple purchase discounts available)

One loose, oil-free emerald from Russia (2.2mm, round cut) (Multiple purchase discounts available)

Sold out Single loose Russian oil-free emerald (1.6-1.7mm, princess cut) {Multiple purchase discounts available}

Single loose Russian oil-free emerald (1.6-1.7mm, princess cut) {Multiple purchase discounts available}

Sold out Limited to 20 stones: Russian Demantoid Garnet (Horsetail inclusions, approximately 2mm) - 1 loose stone. Discounts available for multiple purchases.

Limited to 20 stones: Russian Demantoid Garnet (Horsetail inclusions, approximately 2mm) - 1 loose stone. Discounts available for multiple purchases.

Sold out One loose demantoid garnet from Russia (oval cut, approximately 3 x 2 mm) (multiple purchase discounts available)

One loose demantoid garnet from Russia (oval cut, approximately 3 x 2 mm) (multiple purchase discounts available)

Sold out 《再販売》ハイヒール（ロッククリスタル）1石《宝石ハイヒール1個 - カラッツSTORE

High heels (rock crystal) 1 stone (gem high heels)《Discount available for multiple purchases》
Sold out Limited to 3 stones: One loose Brazilian Elestial Amethyst (3.5-3.9mm) [Multiple purchase discounts available]

Limited to 3 stones: One loose Brazilian Elestial Amethyst (3.5-3.9mm) [Multiple purchase discounts available]

Sold out Tanzanian Bicolor Grossular Garnet (1 loose stone, average 0.55 carats) (Multiple purchase discounts available)

Tanzanian Bicolor Grossular Garnet (1 loose stone, average 0.55 carats) (Multiple purchase discounts available)

Sold out Limited to 9 stones: One loose Brazilian rainbow aquamarine (average 1.0 carat, pear cut) [Multiple purchase discounts available]

Limited to 9 stones: One loose Brazilian rainbow aquamarine (average 1.0 carat, pear cut) [Multiple purchase discounts available]
Sold out Limited to 8 stones: One loose Brazilian rainbow aquamarine (average 0.9 carat, pear cut) [Multiple purchase discounts available]

Limited to 8 stones: One loose Brazilian rainbow aquamarine (average 0.9 carat, pear cut) [Multiple purchase discounts available]
Sold out Limited to 12 stones: Madagascar Sapphirine (Sapphirine) Loose Stone (Multiple purchase discounts available)

Limited to 12 stones: Madagascar Sapphirine (Sapphirine) Loose Stone (Multiple purchase discounts available)
Sold out Limited to 8 stones: 1 loose Brazilian rainbow aquamarine (pear-shaped) stone. Discounts available for multiple purchases.

Limited to 8 stones: 1 loose Brazilian rainbow aquamarine (pear-shaped) stone. Discounts available for multiple purchases.
Sold out Synthetic Blue Moissanite 1 Stone Loose (6mm, Round Cut) {Multiple Purchase Discounts Available}

Synthetic Blue Moissanite 1 Stone Loose (6mm, Round Cut) {Multiple Purchase Discounts Available}

Sold out Two Koshu Kiriko plusthree stones (average 18 carats) with one Dendritic Quartz Gacha (with one Copper Rutile in Quartz) (Multiple purchase discounts available)

Two Koshu Kiriko plusthree stones (average 18 carats) with one Dendritic Quartz Gacha (with one Copper Rutile in Quartz) (Multiple purchase discounts available)

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.