raw stone

This is a list of products that contain rough stones and gemstones.

[On sale from 22:00 on 2/21] Diamond rough (sawable) 0.096ct rough Sale price¥19,800

[On sale from 22:00 on 2/21] Diamond rough (sawable) 0.101ct rough (with trigon) Sale price¥22,800

[On sale from 22:00 on 2/14] Sierra Leone Yellow Diamond Rough (Sawable) 0.061ct Rough Sale price¥12,800

[On sale from 22:00 on 2/8] [Colorful] K18 diamond rough 3.63ct + diamond 0.19ct ring Sale price¥98,000

[On sale from 22:00 on 2/1] South African diamond rough (sawable) 0.096ct rough (with trigon) Sale price¥39,800

[Resale] [Jeweler's Tools] Black Light, 3 Loose Stones (Ruby, Red Spinel, Oil in Quartz) with Rechargeable Battery Sale price¥6,980

【宝石商の道具】ペンライト（原石向け）・原石2点セット - KARATZ STORE｜カラッツSTORE

[Jeweler's Tools] Penlight (for rough stones), 2-piece set of rough stones Sale price¥4,980

Limited to 30 stones: 1 Paraiba tourmaline rough stone from Brazil (Batalha mine) Multiple purchase discounts available Sale price¥2,980

1 Russian Demantoid Garnet Rough Stone {Multiple Purchase Discounts Available} Sale price¥3,980

Colombian emerald loose rough stone set of 2 stones (round cut 3mm)《Multiple purchase discount available》 Sale price¥6,980

Limited to 10 sets: Rainbow garnet rough and loose stone set of 2 (average 5.3 carats) from Tenkawa Village, Nara Prefecture. Discounts for multiple purchases available. Sale price¥5,980

Tanzanite raw stone/loose 2 stone set (sugar loaf cut)《Multiple purchase discount available》 Sale price¥6,980

Kyanite raw stone/loose 2 stone set《Multiple purchase discount available》 Sale price¥2,980

April birthstone Morganite rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

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

タンザニア・マヘンゲ産ピンクスピネル原石・ルース2石セット（プリンセスカット）《複数購入割引有》

《Limited to 20 stones》 Pink spinel raw stone from Mahenge, Tanzania, loose 2 stone set (princess cut)《Multiple purchase discount available》 Sale price¥3,980

1 green spodumene rough stone (average 15ct)《Multiple purchase discount available》 Sale price¥3,980

Limited to 4 sets: Bicolor fluorite rough stone and 2 loose stones set. Discounts available for multiple purchases. Sale price¥5,980

November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

Limited to 6 stones: 1 topaz rough stone (November birthstone) Multiple purchase discounts available Sale price¥3,980

Montana Sapphire (from Yogo) 0.675ct rough stone Sale price¥14,800

South African diamond rough (sawable) 0.112ct rough Sale price¥44,800

South African diamond rough (sawable) 0.091ct rough (trigon) Sale price¥35,800

Tanzania Bicolor Zoisite 2.264ct Rough Stone and Loose Stone Set of 2 Sale price¥8,800

Afghanistan Awinite 4.089ct rough stone, Japan-Germany Mirror Sale price¥39,800

Colombian emerald rough stone 37.764ct (Gachala mine) Sale price¥598,000

Colombian Trapiche Emerald 0.317ct Rough Stone Sale price¥29,800

Colombian Trapiche Emerald 0.923ct Rough Stone Sale price¥45,800

Tanzanian bicolor tanzanite 4.804ct rough stone Sale price¥18,800

Ethiopian Opal 41.967ct Rough Stone Sale price¥33,800

Ethiopian Opal 24.319ct Rough Stone Sale price¥19,800

Ethiopian Opal 18.871ct Rough Stone Sale price¥18,800

Ethiopian Opal 15.845ct Rough Stone Sale price¥15,800

Ethiopian Opal 14.344ct Rough Stone Sale price¥14,800

Ethiopian Opal 12.442ct Rough Stone Sale price¥12,800

Peruvian Rhodochrosite 2-stone set 12.816ct rough stone Sale price¥15,800

Congo Dioptase 29.012ct rough stone Sale price¥5,980

Hackmanite rough stone from Afghanistan, 7.183ct Sale price¥39,800

Congo Dioptase 32.632ct rough stone Sale price¥15,800

Congo Dioptase 46.537ct rough stone Sale price¥18,800

Congo Dioptase 45.698ct rough stone Sale price¥18,800

Congo Dioptase 52.488ct rough stone Sale price¥19,800

Congo Dioptase 79.498ct rough stone Sale price¥31,800

Congo Dioptase 34.022ct rough stone Sale price¥15,800

Congo Dioptase 85.471ct rough stone Sale price¥34,800

Tanzanian bicolor tanzanite 1.644ct rough and loose stone set of 2 Sale price¥8,800

Hackmanite from Afghanistan, 27.410ct rough stone Sale price¥9,800

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

KARATZ・Five Commitments