Under ¥5,000

[Option] Fee for obtaining a certificate of origin from the Japan-Germany Gem Laboratory Sale price¥2,500

Tanzania Bicolor Zoisite 0.147ct Loose Stone Sale price¥3,980

Limited to 7 stones: 1 loose Brazilian Goshenite stone. Discounts available for multiple purchases. Sale price¥3,980

Limited to 5 stones: 1 loose blue-green apatite stone from Madagascar. Discounts available for multiple purchases. Sale price¥3,980

Brazilian Lepidocrocite in Quartz 0.713ct Loose Stone Sale price¥3,980

Brazilian Lepidocrocite in Quartz 5.0mm/0.477ct Loose Stone Sale price¥4,980

Limited to 4 stones: 1 loose spinel stone from Sri Lanka. Discounts available for multiple purchases. Sale price¥2,980

Limited to 5 stones: 1 loose Madagascar sapphire (3.5mm, hexagonal cut) Multiple purchase discounts available Sale price¥4,980

Limited to 5 stones: 1 loose Madagascar sapphire (3mm, hexagonal cut) Multiple purchase discounts available Sale price¥3,980

Chinese color change fluorite 1 stone loose (7mm, round cut) {Multiple purchase discount available} Sale price¥2,580

Chinese color change fluorite 1 stone loose (6mm, round cut) {Multiple purchase discount available} Sale price¥1,980

Limited to 4 stones: 1 loose silky sapphire from Sri Lanka. Discounts available for multiple purchases. Sale price¥3,980

Nepalese Kyanite 1 stone loose (Royal Blue color, 4 x 6mm, oval cut) {Multiple purchase discount available} Sale price¥3,980

Brazilian Morganite 0.591ct loose stone Sale price¥3,980

Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available Sale price¥4,980

[On sale from 10pm on 12/7] {Limited to 40 stones} Salt and pepper diamond (2mm, melee diamond) 1 loose stone {Multiple purchase discounts available} Sale price¥2,980

Limited to 11 stones: 1 rough kornerupine stone from Madagascar (average 8.5 carats) Multiple purchase discounts available Sale price¥2,980

Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 2.9 carats) Multiple purchase discounts available Sale price¥3,580

Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 1.8 carats) Multiple purchase discounts available Sale price¥2,580

Limited to 14 stones: 1 Santa Maria aquamarine (March birthstone, average 0.39ct) Multiple purchase discounts available Sale price¥3,980

Limited to 33 stones: 1 rough Arizona turquoise with pyrite (December birthstone) Multiple purchase discounts available Sale price¥1,000

Limited to 6 stones: 1 Montebrasite stone from Madagascar (round cut, 4mm) Multiple purchase discounts available Sale price¥3,980

Limited to 2 stones: 1 loose Mahenge spinel from Tanzania (3mm, round cut) Discounts available for multiple purchases Sale price¥4,980

Limited to 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases Sale price¥2,980

Limited to 18 stones: Mozambique ruby (princess cut, 2.3-2.5mm) Multiple purchase discounts available Sale price¥3,980

Limited quantity: 1 impregnated ruby loose (4mm, round cut, identification instructions included) Multiple purchase discounts available Sale price¥1,980

Limited to 8 stones: 1 loose Madagascar needle-in topaz (average 1.2 carats) Multiple purchase discounts available Sale price¥2,980

Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 1.8 carats) Multiple purchase discounts available Sale price¥3,980

Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 2.1 carats) Multiple purchase discounts available Sale price¥4,980

Limited to 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases. Sale price¥3,980

[Limited to 9 stones] Argentine Inca Rose (Rhodochrosite, average 1.2ct) [Multiple purchase discount available] Sale price¥3,980

Cambodian colorless zircon 0.309ct loose stone Sale price¥4,980

Additional charge for resizing: 1,500 yen Sale price¥3,000

Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available} Sale price¥1,580

Limited to 7 stones: 1 loose Australian iron opal (average 7ct, October birthstone opal) Multiple purchase discounts available Sale price¥4,980

Limited quantity: Colombian mango quartz (medium size) Multiple purchase discounts available Sale price¥1,680

Limited Quantity: Colombian Mango Quartz (Small Size - Slim Type) Multiple Purchase Discounts Available Sale price¥1,180

Limited Quantity: Colombian Mango Quartz (Small - Thick) Multiple Purchase Discounts Available Sale price¥1,280

Ethiopian Opal 1.433ct Loose Sale price¥3,980

Limited to 18 stones: YAG (Yttrium Aluminum Garnet) 1 loose stone (Canary Yellow, 4mm) Multiple purchase discounts available Sale price¥2,980

{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available} Sale price¥3,980

Limited to 17 stones, 1 loose Sugilite stone from South Africa, multiple purchase discounts available Sale price¥2,980

Limited to 12 stones Tanzanian Milky Opal Cat's Eye (7.5 x 5.5 mm) Multiple purchase discounts available Sale price¥3,980

Limited to 12 stones: August birthstone sardonyx (16 x 12 mm) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980

[Reception ends on 11/30]《Shipped from mid-January to late January》 “Bakuten!!” x KARATZ collaboration goods / Onaga T-shirt (black/white) Sale price¥3,980

Limited to 18 stones: Myanmar spinel (3.5mm, pentagonal cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980

January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners} Sale price¥2,980

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.