¥5,000 - ¥10,000

Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》 Sale price¥5,980

Limited Quantity: Russian Phenakite (Round Cut, 3mm) Loose Stone (Multiple Purchase Discounts Available) Sale price¥5,980

[4 sets left] Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available] Sale price¥6,980

Limited to 20 stones: Brazilian Paraiba tourmaline (cabochon cut, approximately 2.2 mm) [Multiple purchase discounts available] Sale price¥9,800

[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set Sale price¥6,980

December Special Campaign: Limited to 14 stones. December birthstone: Tanzanite, loose stone (5x7mm, oval cut). Multiple purchase discounts available. Sale price¥8,800

Additional fee +6,000 yen Sale price¥6,000

《Limited to 10 stones》 Indian bag site 1 stone loose (average 2ct)《Multiple purchase discount available》 Sale price¥6,980

[Available on August 31st at 22:00 PM] Limited to 14 sets: Myanmar jadeite 3-color set [Multiple purchase discounts available] Sale price¥8,800

Limited to 8 stones: 1 loose synthetic alexandrite (custom cut by Mr. Sanjay, shield cut, octagonal cut, etc.) Discounts available for multiple purchases Sale price¥6,980

Limited to 6 stones: 1 loose, unheated silky pink sapphire from Vietnam (milky pink sapphire) Multiple purchase discounts available Sale price¥5,980

Limited to 15 stones! Green Oregon Sunstone rough stone from the United States 💎 Average 1.5ct [Multiple purchase discounts available] Sale price¥5,980

Limited to 25 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.0 mm) Multiple purchase discounts available Sale price¥5,980

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.5mm) Multiple purchase discounts available Sale price¥6,980

Limited to 15 stones: Brazilian Silky Alexandrite Loose Stone (2.5-3.0mm, Round Cut) - Multiple Purchase Discounts Available Sale price¥7,980

Limited to 32 stones: Namibian Mandarin Garnet, 1 loose stone (round cut, 2.5mm) [Multiple purchase discounts available] Sale price¥5,980

[Limited to 18 stones] [Mr. KEN] 1 stone loose Andalusite from Spain (Rose cut, 4.0mm) [Multiple purchase discount] [Yuichiro Abe's work motif] Sale price¥5,980

[Only one left] Zimbabwean blue apatite, UV type, 1 loose stone [Multiple purchase discounts available] Sale price¥6,980

Limited to 8 stones: Ethiopian black opal (heat-treated, identification instructions included, average 2ct, approx. 11x8mm) 1 loose stone (multiple purchase discounts available) Sale price¥8,800

Limited to 6 stones: 1 loose pink spinel from Mahenge, Tanzania (round cut, 3.0mm) Discounts for multiple purchases Sale price¥6,980

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.2mm) Multiple purchase discounts available Sale price¥5,980

Limited to 13 stones: One loose rhodochrosite stone (4mm cabochon cut) from Detroit City, USA. Discounts available for multiple purchases. Sale price¥7,980

Limited to 8 stones: Nobu buff top x rose cut spinel, 1 loose stone. Discounts available for multiple purchases. Sale price¥6,980

Limited to 6 stones: 1 loose sphene from Zimbabwe (multiple purchase discounts available) Sale price¥5,980

Limited to 9 stones. All stones come with appraisal certificates. 1 loose zoisite stone (yellow, pink-brown, green, etc.). Discounts available for multiple purchases. Sale price¥6,980

Limited Edition of 12 Diamonds: VS Equivalent Fluorescent Diamond Gacha with Bonus Mini Slice Diamond (Multiple Purchase Discounts Available) Sale price¥6,980

Additional charge for resizing: 7,500 yen Sale price¥7,500

Pyrope spessartine garnet (color change garnet) 1 stone loose (multiple purchase discount available) Sale price¥5,980

Limited Quantity: 2mm Benitoite (Top Quality Ice Blue) (Multiple Purchase Discounts Available) Sale price¥8,800

Limited to 23 stones: Ethiopian Opal, 1 loose sphere (4.5-5.0mm) - Multiple purchase discounts available Sale price¥5,980

Kyanite from Nepal, 1 loose stone (indigo blue color, 4 x 6 mm, emerald cut) {Multiple purchase discount available} Sale price¥6,980

Limited to 4 stones: 1 bicolor grossular garnet from Tanzania (multiple purchase discounts available) Sale price¥5,980

Limited to 4 stones: 1 peridot (Flanders cut) [Multiple purchase discounts available] Sale price¥5,980

Limited to 10 stones: Madagascar Sapphirine (Sapphirine) Loose Stone (Multiple purchase discounts available) Sale price¥5,980

Limited to 14 stones: 3mm single unheated sapphire from the Theppanawa mine in Sri Lanka. Discounts available for multiple purchases. Sale price¥5,980

Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available] Sale price¥5,980

Additional charge for resizing: +6,000 yen Sale price¥6,000

Additional charge for resizing: 5,250 yen Sale price¥5,250

Mexican Hyalite Opal 2.592ct loose Sale price¥9,800

Additional charge (metal combination) + 7,000 yen Sale price¥7,000

Tanzanite rough and loose stone set of 2 (average 3ct, cushion cut) from Tanzania {Multiple purchase discounts available} Sale price¥6,980

Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases. Sale price¥5,980

Limited to 10 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases. Sale price¥5,980

Limited to 27 stones: Peridot (Trilliant Cut) 1 stone (5.0-5.5mm) Multiple purchase discounts available Sale price¥6,980

Limited to 7 stones: Brazilian Limonite in Quartz, 1 loose stone (average 6 carats) [Multiple purchase discounts available] Sale price¥5,980

Limited to 8 stones: 1 loose kite cut stone (illusion sunstone, sapphire, emerald, spessartine garnet, etc.) Multiple purchase discounts available Sale price¥5,980

Spinel 0.705ct loose (rose cut) Sale price¥6,980

Opal 0.123ct loose stone Sale price¥5,980

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.