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Sold out Gemstone Gacha💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires (Multiple Purchase Discounts Available)
Sold out [On sale from 10pm on Tuesday, June 24th] TV anime "Tokyo Ghoul" x KARATZ collaboration Kaneki - Rinkaku image ring & pendant top
Sold out Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.2mm) Multiple purchase discounts available
Sold out [Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]
Sold out [Final Orders Accepted - On Sale November 21st (Fri) at 10 PM] {Limited to 30} "PSYCHO-PASS: PROVIDENCE" x KARATZ Collaboration Pure Platinum (PT999) Coin
Sold out Limited to 15 stones, 1 loose Australian iron opal stone, multiple purchase discounts available
Sold out Limited to 7 stones: 1 loose sphalerite stone from Spain (cabochon cut, 4.8-5.3mm) Multiple purchase discounts available
Sold out Limited to 8 stones: 1 Australian rainbow lattice sunstone loose stone (average 0.60ct) Multiple purchase discounts available
Sold out [Sales end on Friday, April 18th] TV anime "I'd Rather Be Someone Else in the Next Life" x KARATZ collaboration Miyama Kirishima model launched
Sold out Limited to 8 stones: Ethiopian black opal (heat-treated, identification instructions included, average 2ct, approx. 11x8mm) 1 loose stone (multiple purchase discounts available)
Sold out Oregon Sunstone from America with beautiful Schiller (Oval Cut, 5×7mm) {Multiple purchase discounts available}
Sold out "TSUKIUTA." Movie version RABBITS KINGDOM THE MOVIE × KARATZ collaboration Rabikin - Rabbit earrings "Black Rabbit Kingdom"
Sold out Russian demantoid garnet (2mm, round cut) 1 stone (discount available for multiple purchases)
Sold out Gem Gacha💎1 special fluorescent diamond (VS-SI class equivalent, 2.0mm)
Sold out コロンビア産エメラルドキャッツアイ1石ルース(平均0.35ct)《初めての方向け》
Sold out Swiss blue topaz 1 stone (9.5 x 8mm, special cut)《Multiple purchase discount available》
Sold out Swiss Blue Topaz 1 stone (10 x 8mm, special cut)《Discount available for multiple purchases》
Sold out Morganite raw stone + 2 loose pieces (orange/pink, approx. 6 x 4 mm) 3-piece set《Multiple purchase discount available》
Sold out K18 イエローゴールド ベネチアンチェーン ロングネックレス 0.7mm/0.8mm/0.9mm【60cmフリー】 - カラッツSTORE
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 [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 [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 10 stones》 2.5ct Brazilian Aquamarine Gacha, including certification, featuring darker-hued stones (originally 49,800 yen) 《Multi-purchase discounts available》
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 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts 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 [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 《Limited to 10 Stones》Jeremejevite Gacha with a Chance to Win Jeremejevite (Including with Certificate) Normally ¥39,800《Multiple 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 《Limited to 5 stones》Cambodian Ratanakiri Blue Zircon Gacha (average 0.73ct)《Multiple Purchase Discount Available》
Sold out 《Limited to 10 Stones》Flower-Cut Gem Gacha 💎 Usually 39,800 yen for Sakura-shaped and newly cut rubies (newly cut as a bonus) 《Bulk Purchase Discount Available》
Sold out Guatemalan Jade (with certificate, 3-3.5mm) - 1 Stone Loose - Limited to 10 Stones - Multiple Purchase Discount Available
Sold out Midway coral branch (raw wood) 1 piece (March birthstone, coral, average 26ct, Midway coral) 《Multiple purchase discount available》
Sold out Limited 5 Stones: Synthetic Alexandrite Gacha (Princess Cut, 3.5-4.5mm) (Multi-Buy Discount Available)
Sold out 【Sales End on Tuesday, May 5th】TV Anime "2.5 Dimensional Seduction" x KARATZ Jewelry Store Collaboration Pendant
Sold out Madagascar Pezzottaite Gacha (2.2-2.5mm, Round Cut) - Limited to 6 Stones (Multiple Purchase Discount Available)
Sold out 《Limited to 13 stones》Normally ¥49,800 Koshu Kiseki Kiriko plusthree "Subaru" lottery💎 Andesine Gacha《Multiple Purchase Discount Available》
Sold out [Limited to 6 Stones] Vietnamese Silky Pink Sapphire (Sanje Cut, Round, 3.0-3.3mm) Gacha [Bulk Purchase Discount Available]
Sold out Panda Cut Gacha💎 Brazilian Paraiba Tourmaline (0.226ct/CuO: 0.7%, MnO: 2.5%) - 1 Stone, 5 Panda Cut Stones (Multiple Purchase Discounts Available)
Sold out Limited to 10 stones! Zimbabwean Bicolor Euclase, Bicolor Sapphire, and More! Bicolor Loose Stones! 💎 Single Loose Stones Available. Discounts Available for Multiple Purchases.
Sold out Limited to 7 stones: One loose colorless apatite from Madagascar (with appraisal certificate for each stone, average 0.60 carat) Discounts available for multiple purchases
Sold out Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone (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
Sold out 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)
Sold out Greenland Ruby Loose (approx. 2.3mm, Top Color, Certificate Included) (Multiple Purchase Discounts Available)
Sold out Limited to 9 stones: 1 loose Australian opal (faceted cut) [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.