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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 [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
Sold out [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
Sold out [On sale July 29th at 10 PM] Limited to 4 stones! Dunilite from Kolonna, Sri Lanka, all stones come with a gemological certificate. (Multiple purchase discount available)
Sold out [On sale July 7th at 10 PM] Jeremejevite Gacha (Limited to 10 stones) (Multi-purchase discount available)
Sold out [On sale 7/22 at 10 PM] Limited to 10 Stones: Sapphire Gacha featuring a Certified Padparadscha Sapphire! (Multiple Purchase Discount Available)
Sold out [On sale July 4th at 10 PM] "Hong Kong Procurement - Limited to 24 Stones" Vibrant Lazurite Loose Stones from Pakistan "Bulk Purchase Discount Available"
Sold out 《Limited to 10 stones》Color change gemstone gacha: color change zircon, alexandrite, color change garnet, etc. 《Multi-purchase discount available》
Sold out [On sale July 19 at 10 PM JST] Pink Sapphire Gacha including "Sakura Incut" Sapphire (usually 79,800 JPY) + 1 White Sapphire (Limited to 11 Stones) (Multi-purchase discount available)
Sold out [On Sale July 18th, 10 PM] Garnet Gacha: Win a Russian Horsetail Inclusion Demantoid Garnet, normally priced at 59,800 yen! 《Limited to 11 Stones》 《Quantity Discounts Available》
Sold out 【7/17 22時販売】《限定13石》通常25,800円のブラジル・バターリャ産パライバトルマリン(CuO:1.7%.MnO:1.9%)やユークレースなどブルーの宝石が当たるガチャ(おまけでハートシェイプ1石)《複数購入割引有》
Sold out [Sale on July 20 at 10 PM] Limited to 10 stones: Rare Stone Gacha 💎 Win Brazilian Paraiba Tourmaline, Colombian Euclase, and more, normally priced at ¥58,800 (plus one Ole Sand stone). Multiple purchase discount available.
Sold out FANCY PURPLISH PINK/SI-1/with Pink Diamond Gacha (Multiple purchase discount available)
Sold out [Sale starts July 11th, 10 PM JST] Limited to 16 Stones! Pink Diamond Gacha with 2 FANCY Color Pink Diamonds (with sorting certificate), normally ¥39,800. Multiple Purchase Discount Available.
Sold out 《Limited to 7 stones》American Ant Hill Garnet (round cut, approx. 3mm) 《Multiple purchase discount available》
Sold out [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
Sold out [Sale begins 7/XX 10 PM JST] Limited 1 Set: Treated Diamond Set (approx. 1.2mm x 11 stones, 0.086ct) [Bulk purchase discount available]
Sold out [On sale July 5th, 10 PM JST] 《Limited 13 Stones》Unique Diamond Gacha - Including 1ct+ diamonds, round cut, rose cut, and fluorescent diamonds (with a bonus London Blue Diamond stone!) 《Multiple Purchase Discount Available》
Sold out [On sale July 6th at 10 PM] Limited 1 set: 11-stone treated diamond set (approx. 1.2mm x 11 stones) [Multiple purchase discount available]
Sold out 《Shinjuku Pop-Up Event Commemorative Offer》《Limited Stock Remaining》 Color Diamond Set (including pink, ice blue, green diamonds, and more, 9 stones or more in total), valued at ¥30,000 normally. 《Multi-Purchase Discount Available》
Sold out 《Hong Kong Sourcing》Pakistan Blue Tint Axinite Gacha 1 Stone Loose《Multiple Purchase Discount Available》
Sold out [On Sale June 6th at 10 PM JST] "Limited 13 Stones" Fluorite Gacha including flawed Koshu cut gemstones "Bulk Purchase Discount Available"
Sold out [6/ 10 PM JST Release] 《Limited to 11 Stones》Bicolor Gemstone Gacha featuring Paraiba Tourmaline and Euclase 《Bulk Purchase Discount Available》
Sold out [6/ 10 PM JST release] 《Limited 10 Stones》 Iolite Gacha featuring Koshu-Kiseki-Kiriko plusthree 《Bulk purchase discount available》
Sold out Limited to 10 stones: Brazilian Bicolor Tourmaline (Baguette Cut) - 1 loose stone. Discounts available for multiple purchases.
Sold out 【Sale starts 10PM on June 27th】《Limited 8 Stones》Myanmar Black Spinel (B Grade)《Multiple Purchase Discount Available》
Sold out [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
Sold out [On sale July 3 at 10 PM JST] From Hong Kong: Afghani Green Hauyne, single stone, all stones with a gemological certificate. (Multiple purchase discount available)
Sold out 【Sale starts June 19th, 10 PM】《Limited to 10 stones》Madagascar Andesine-Labradorite (Rainbow Moonstone) Gacha, 1 Loose Stone (Avg. 0.40ct)《Multiple Purchase Discount Available》
Sold out [On sale June 20 at 10 PM] Limited to 5 Stones: Cambodian Ratanakiri Blue Zircon Gacha (Avg. 0.73ct) (Bulk Purchase Discount Available)
Sold out [On sale June 19th at 10 PM] Limited 1 Set: Two Tanzania Illusion Sunstones Cut by NOBU (Multiple purchase discount available)
Sold out [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
Sold out [On sale June 20, 10 PM JST] Sapphire Gacha💎 where you can win a Padparadscha Sapphire with DGL certificate, normally priced at ¥29,800 (comes with one white sapphire as a bonus) 《Multi-purchase discount available》
Sold out Sapphire Gacha where you can win a Cornflower Blue Sapphire with AIGS certificate 💎 Comes with a trillion sapphire as a bonus gift《Multiple purchase discount available》
Sold out Benitoite Gradation 6 Stone Set (2.0mm, Round Cut, Including Top Quality) 《Multiple Purchase Discount Available》
Sold out [Sale starts at 10 PM on June 14] Limited 1 Set! Beniotite 5-Stone Gradient Set (2.0mm, including top quality stone) [Bulk purchase discount available]
Sold out 【Sales start: June 14, 10 PM JST】《Limited 1 Set》Benitoite Gradation 5-Stone Set (1.75mm, includes top quality) 《Multiple Purchase Discount Available》
Sold out [Sale on 6/13 at 10 PM] Limited to 11 stones! Ametrine Sakura-cut Koshu-Kiseki-Kiriko plusthree Gacha (including flower cuts, usually priced at 29,800 yen), with a bonus mini ametrine stone. Multiple purchase discount available.
Sold out [On sale June 6th at 10 PM] Limited to 2 stones: 1 Sri Lankan Dunilite, all stones include a gemological report. (Multiple purchase discount available)
Sold out [On sale June 8th, 10 PM JST] "Limited to 12 Stones" Garnet Gacha with 8mm Dandelion Cut Rhodolite Garnet (Normally 39,800 yen) "Multiple Purchase Discount Available"
Sold out [On sale June 7th at 10 PM] Limited to 10 stones: Flower-cut gem gacha 💎 Cherry blossom shape normally 39,800 yen, and a ruby with a new cut (plus an extra new cut) 《Multiple purchase discount available》
Sold out [On sale 6/6 at 10 PM] Limited to 6 Stones: Needle-Inclusion Blue Topaz Loose Stone (Avg. 16ct) - Multiple Purchase Discount Available
Sold out [On Sale June 6th, 10 PM JST] 11-Piece Limited Edition Madagascar Sapphire Gacha (Including bi-color and silky varieties, 3.5-5.4mm) [Multi-buy discount 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.