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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 Limited to 10 Stones: Tanzanian Kornerupine (Pear Shape approx. 3x2mm) - Multi-Purchase Discount Available
Sold out 《Limited to 5 stones》Garnet (KEN Cut, 3.4-3.7mm)《Multiple purchase discount available》
Sold out 《Limited 7 stones》Garnet (KEN Cut, approx. 4mm)《Multiple purchase discount available》
Sold out [Available 9/12 at 10 PM] 《Limited to 10 stones》 Gemstone Gacha featuring top-color benitoite (regularly 32,800 yen), Saint-J blue zircon, and other gems with beautiful fire 《Multi-buy discount available》
Sold out 【Available Sept 7, 10:00 PM】《Limited to 12 stones》Ruby Gacha featuring Pigeon Blood Rubies and Star Rubies, regularly priced at 59,800 yen and including appraisal certificates 《Multi-purchase discounts available》
Sold out 【Available 9/7 at 10 PM】Blue Zircon Gacha featuring 2.4ct rose-cut Ratanakiri Blue Zircon and more (Limited to 10 stones) 《Multi-purchase discounts available》
Sold out [Available 9/5 at 10:00 PM] 《3 stones only》 Top-quality American benitoite (Princess cut, 2mm) 《Multi-purchase discount available》
Sold out [On sale 9/5 at 10 PM] &lt;4 stones limited&gt; Rose-cut turquoise (Imperfect cut by Mr. Saint-Germain, max 12mm) <multiple purchase discounts available></multiple>
Sold out «Limited to 6 stones» Zoisite Gacha, all stones include identification reports (includes pink zoisite, yellow zoisite, green zoisite, and tanzanite, 5mm) «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]
Sold out [Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]
Sold out [Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]
Sold out 《Limited to 1 Set》Benitoite Gradation 5-Stone Set (2.0mm, includes top quality) 《Multiple Purchase Discount Available》
Sold out 《Limited to 1 Set》Benitoite Gradation 5-Stone Set (2.0mm, includes top quality) 《Multiple Purchase Discount Available》
Sold out 《Limited to 1 Set》Benitoite Gradation 5-Stone Set (2.0mm, includes top quality) 《Multiple Purchase Discount Available》
Sold out 【Available Sept 4 at 10 PM】《13 Stones Only》Expert Artisan Gacha: 14mm Dandelion-Cut Ametrine (Reg. 59,800 JPY) & Koshu Precious Stone Kiriko Citrine (29,800 JPY)《Multi-purchase discounts available》
Sold out [Sales start 9/5 at 10 PM] 《Limited 5 stones》 Raw Colombian Emerald (avg. 0.52ct) 《Multi-buy discount available》
Sold out 《Limited to 12 Stones》Russian Phenakite 1 Stone Loose (Average 0.35ct) 《Multiple Purchase Discount Available》
Sold out 《Limited to 12 Stones》Russian Phenakite 1 Stone Loose (Average 0.35ct) 《Multiple Purchase Discount Available》
Sold out 《Limited to 10 stones》 2.5ct Brazilian Aquamarine Gacha, including certification, featuring darker-hued stones (originally 49,800 yen) 《Multi-purchase discounts available》
Sold out [Sales start 8/29 at 22:00] <limited to stones> Purple Scapolite, including Koshu Kiseki Kiriko Purple Scapolite (regular price 59,800 yen), with 1 free Tanzanite stone by Mr. Sange included <multi-purchase discount available></multi-purchase></limited>
Sold out Koshu Kiseki Kiriko "plus three" Rose Quartz Gacha (guaranteed to include 2 Rose Quartz stones with Flora Drop cut; comes with a bonus Yamamoto Rose Quartz) 《Multi-purchase discount available》
Sold out Limited to 13 stones! Tourmaline gacha featuring indigolite tourmaline worth ¥50,000 and rubellite worth ¥60,000. Plus, one canary yellow tourmaline. Discounts available for multiple purchases.
Sold out [8/ 10 PM Sale] Amethyst Gacha Featuring Dandelion Cut Gemstones by Shimizu Kisaki - 12 Limited Pieces Available! (Multiple Purchase Discount)
Sold out Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]
Sold out Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]
Sold out Limited to 2 stones: 1 Brazilian Madeira citrine loose stone (round cut, 5.5mm) Multiple purchase discounts available
Sold out [On sale May 29th at 10 PM] "Checker x Sui" Koshu Kiseki Cut Mexican Fire Opal (usually 79,800 yen) Gacha with only 10 stones available. Win a Fire Opal (and receive one Contraluz!). [Multiple purchase discount available]
Sold out [On sale August 23rd at 10 PM] Limited 10 Stones! Amethyst Gacha featuring Koshu-Kiseki-Kiriko-plus-three "Akatsuki" (with one citrine cut by Mr. Sandje) [Multiple 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 [Available 8/23 at 10 PM] 《13 Sets Only》 Diamond Gacha featuring a set of 2 raw and cut diamonds, including a 0.2ct VS grade diamond 《Multi-purchase discounts available》
Sold out Limited to 10 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases.
Sold out 1 Brazilian Euclase rough stone (discount available for multiple purchases)
Sold out Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]
Sold out 【8/23  22時販売】《限定12石》通常55,800円のパパラチアサファイア中宝鑑付含むベトナム産やビビッドなモザンビーク産などサファイアガチャ(さらにサンジェ氏サファイア1石)《複数購入割引有》
Sold out [Sale at 10 PM on 6/27] Limited to 9 Stones: Myanmar Red Spinel (Round Cut, approx. 3.5mm) - Multiple Purchase Discount Available
Sold out [On sale July 20th at 10 PM] "Limited to 13 Stones" Diamond Gacha: Win a FANCY VIVID Yellow Diamond (with sorting report) worth 22,800 yen. One loose stone. (Multiple purchase discount available.)
Sold out [On sale August 13th at 10 PM] Limited to 13 stones: 1 Indian Iolite Sunstone Gacha Stone (Long Hexagonal Cut or Pentagonal Cut) Average 0.35ct (Multiple purchase discount available)
Sold out [Sales begin August 16, 10 PM] Limited to 11 Stones: Alexandrite Gacha with Russian Alexandrite and Brazilian Silky Color (usually ¥69,800), includes 1 bonus Alexandrite. [Multiple 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 [Sales start 10 PM, Aug. 10] Andesine-Labradorite Gacha with a Chance to Win a Dandelion Cut Worth 69,800 JPY (Limited to 12 Stones) (Plus 1 Andesine-Labradorite Stone) [Bulk Purchase Discount Available]
Sold out 《Limited to 10 stones》Paraiba Gacha: Win a Brazilian Paraiba Tourmaline (CuO: 1.4%, MnO: 2.7%), usually priced at 39,800 yen 《Multi-purchase discounts available》
Sold out [On sale 8/12, 10 PM] "Limited to 10 stones" Strong Fire Gem Gacha featuring 3mm Benitoite and Blue Zircon, normally 42,800 yen (multiple purchase discount available)
Sold out [On sale 8/14 at 10 PM] Limited to 10 Stones: Rhodolite Garnet Gacha with a chance to win a "Dandelion Cut 9mm" collaboration with Shimizu Kiseki, normally 35,800 yen (Multiple purchase discount available)
Sold out [On sale 8/15 at 10 PM JST] Colombian Emerald Gacha featuring Shimizu Kisaki's 8mm Clover In-cut (regularly 79,800 JPY) - only 15 stones available! (Bonus green beryl included) [Multiple purchase discount available]
Sold out [On Sale 10 PM, June 7] *Limited to 3 Sets* 1.0ct/D/VS-VVS/IDEAL Lab-Grown Diamond (Synthetic Diamond) & 2 Rare Cabochon Stones (Total of 3 Stones Included) *Multiple Purchase Discount Available*
Sold out [On Sale 10 PM, June 7] *Limited to 3 Sets* 1.0ct/D/VS-VVS/IDEAL Lab-Grown Diamond (Synthetic Diamond) & 2 Rare Cabochon Stones (Total of 3 Stones Included) *Multiple Purchase Discount Available*
Sold out [On sale August 1 at 10 PM] Limited 10 Stones: Sapphire Gacha (including unheated cornflower blue sapphires, normally ¥69,800), with a bonus Sange sapphire. Multiple purchase 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.