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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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coming soon 【11/15 22時販売】《限定18石》ブラジル産パライバトルマリン(バターリャ鉱山)ガチャ1石ルース(平均0.02ct)《複数購入割引有》
coming soon 【11/15 22時販売】《限定11石》ブラジル・ヘマチタ産アレキサンドライト 1石ルース(オーバルカット/約縦2.2~2.5×横1.7~1.9mm)《複数購入割引有》
coming soon 【11/14 22時販売】《限定11石》通常59,800円のさくらシェイプ含むオレゴンサンストーンガチャ1石ルース《複数購入割引有》
coming soon 【11/13 22時販売】《限定10石》ジンバブエ産スフェーン1石ルース(平均0.45ct)《複数購入割引有》
coming soon 【11/13 22時販売】《限定4石》ブラジル産レインボーアクアマリンガチャ1石ルース(平均0.77ct)《複数購入割引有》
coming soon [Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》
coming soon Benitoite Gradation 6 Stone Set (2.0mm, Round Cut, Including Top Quality) 《Multiple Purchase Discount Available》
coming soon Benitoite Gradation 6 Stone Set (2.0mm, Round Cut, Including Top Quality) 《Multiple Purchase Discount Available》
coming soon 【11/13 22時販売】《限定15石》5ct以上確定ビッグジェムガチャ・通常98,000円の41ct・24mmダンデライオンカット(5枚花びら)や12mmのさくらインカットが当たる《複数購入割引有》
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 [Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy 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 [Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》
Sold out 【10/30 22時販売】《限定10石》ブラジル産パライバトルマリン(CuO:1.22%,MnO:1.09%)やベニトアイトが当たるブルー宝石ガチャ(ロンドンブルートパーズ1石付)《複数購入割引有》
Sold out [10/ 22:00 Sale] 《Limited to 15 Stones》 Rare Stone Gacha 《Multiple Purchase Discount Available》
Sold out 【9/22:00 Release】 《6 Stones Only》 Moss Green Beryl Gacha, Avg. 1.07ct 《Multi-buy discounts 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 【10/25 22時販売】《限定2石》ドミニカ共和国産ラリマー(ローズカット、8.5~10mm、訳ありサンジェ氏カット)《複数購入割引有》
Sold out 【10/24 22時販売】《限定3石》アイスブルージルコン(ラウンドカット3.5~3.6mm、サンジェ氏)《複数購入割引有》
Sold out [Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》
Sold out [Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy 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 [Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》
Sold out Benitoite Gradation 6 Stone Set (2.0mm, Round Cut, Including Top Quality) 《Multiple Purchase Discount Available》
Sold out [Available 10/12 at 22:00] <limited to sets> Benitoite gradation 6-stone set including orange benitoite (peach benitoite) (1.75mm, includes top quality) <multi-purchase discount available></multi-purchase></limited>
Sold out [Available 10/31 at 10 PM] 《Limited to 10 stones》 Zimbabwe Euclase rough (regular price ¥49,800), Brazilian Paraiba Tourmaline (CuO: 1.8%, MnO: 0.1%), or Triplite rough gacha (includes 1 Hackmanite rough) 《Multi-buy discount available》
Sold out [Available 11/1 at 10 PM] 《7 stones limited》 Synthetic Cobalt Spinel (by Mr. Saint-Ger, 3mm hexagonal cut) 《Multi-buy discount available》
Sold out 【On sale 10/4 at 22:00】《Limited to 6 stones》 FANCY-color pink diamond gacha, including FANCY PINK, FANCY INTENSE, FANCY DEEP, and rose-cut stones (all stones include sorting reports)《Multi-purchase discount available》
Sold out 【On sale 10/4 at 22:00】《Limited to 6 stones》 FANCY-color pink diamond gacha, including FANCY PINK, FANCY INTENSE, FANCY DEEP, and rose-cut stones (all stones include sorting reports)《Multi-purchase discount available》
Sold out [Available 9/22, 10 PM] 《11 Stones Limited》 Tourmaline Gacha (includes Brazilian Paraiba Tourmaline) 《Multi-purchase discount available》
Sold out [10/11 10 PM Release] <limited to stones> Tanzanite Rough Gem Gacha (includes bi-color with pink zoisite, avg. 8ct) <multi-purchase discounts available></multi-purchase></limited>
Sold out [Available Oct 5, 10 PM] 《Limited Quantity・October Campaign Commemorative》 Rare Stone Gacha💎 8 varieties including 0.5ct Phosphophyllite, 0.2ct Benitoite, and Alexandrite, all with certificates of authenticity《Multi-purchase discounts available》
Sold out [Available Oct 12, 10 PM] <limited to stones> Madagascar Blue Sapphire Loose Stone (Cabochon cut, avg. 0.70ct) <multi-buy discount available></multi-buy></limited>
Sold out [Available 10/3 at 10 PM] 《1 Stone Only》 Pink Diamond (0.184ct, 3.5mm, I-1, Fancy Light Pink, with sorting) - Regular price 110,000 JPY 《Multi-buy discount available》
Sold out [Available 9/22, 10 PM] 《Limited to 3 stones》 Imperfect Andesine Labradorite (Rainbow Moonstone, Sanje Milky Way Star Cut) 《Multi-buy discount available》
Sold out [Available 9/27 at 10:00 PM] 《Limited to 15 stones》 Brazilian Bicolor Tourmaline (Cabochon Cut) Gacha Loose Stone 《Multi-purchase discount available》
Sold out [Available 10/4 at 10 PM] 《Limited to 11 stones》 Garnet Gacha including Russian Demantoid Garnet (normally 69,800 yen) (plus 1 Mint Garnet stone included) 《Multi-purchase discounts available》
Sold out 【Available 9/ 22:00】《Limited to 4 stones》 Dumortierite in Quartz (Cut by Mr. Sangier) 《Multi-buy discount available》
Sold out [Available 9/22, 10 PM] 《Limited to 16 stones》 Amethyst Gacha featuring Shimizu Kikouseki’s Sakura and Dandelion cuts 《Multi-purchase discounts available》
Sold out Brazilian Paraiba Tourmaline (Batalha Mine) Gacha 💎 Usually ¥45,800 With sorting, includes unheated. 《Multiple purchase discount available》
Sold out Brazilian Paraiba Tourmaline (Batalha Mine) Gacha 💎 Usually ¥45,800 With sorting, includes unheated. 《Multiple purchase discount available》
Sold out [Available 9/26 at 10 PM] <limited quantity> Hong Kong Sourcing Gacha (7 types including Tanzanite, Hauyne, Color-Change Sapphire, Bekily Blue Garnet, etc.) 1 stone (plus 1 Rainbow Obsidian) <multiple purchase discount available></multiple></limited>
Sold out [On sale 9/ 22:00] 《Limited to 12 stones》 Big Gem Gacha - Win items including Shimizu Kikiseki’s Camellia cut and Sakura shape 《Multi-purchase discounts available》
Sold out Pink Diamond Loot Box💎 Fancy Orange Pink 0.188ct and other Fancy-colored pink diamonds (all stones sorted or certified) 《Multiple purchase discounts available》
Sold out Pink Diamond Loot Box💎 Fancy Orange Pink 0.188ct and other Fancy-colored pink diamonds (all stones sorted or certified) 《Multiple purchase discounts available》
Sold out Color-change gacha featuring one gemstone, including Myanmar color-change zircon, alexandrite, and Bekily blue garnet, usually priced at 39,800 yen (multi-purchase discounts available)
Sold out [On sale 9/18 at 22:00] <limited to stones> Single loose Sri Lankan sapphire (pear-shaped cut, avg. 0.25ct) <multi-buy discount available></multi-buy></limited>
Sold out Pink Diamond Loot Box💎 Fancy Orange Pink 0.188ct and other Fancy-colored pink diamonds (all stones sorted or certified) 《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.