【4/20 22時販売】《限定5石》メキシコ産ハイアライトオパール1石ルース（平均0.5ct）《複数購入割引有》
Sale price¥2,980
![[On sale from 10pm on 4/20] Limited to 3 stones UV type mint garnet 1 loose stone (oval cut) Multiple purchase discounts available](http://store.karatz.jp/cdn/shop/files/collage_36e1321f-daf7-42cf-906f-5cb0c97a1907.png?v=1745070529&width=4000)
[On sale at 10pm on 4/18] 0.523ct loose Oregon sunstone from the US
Sale price¥3,980
![[On sale from 10pm on 4/13] Limited to 20 stones Gem gacha💎 One loose stone of pink tourmaline Sakura in-cut and mint diopsite with many inclusions and chips (multiple purchase discounts available)](http://store.karatz.jp/cdn/shop/files/collage_ee8d39f0-5dfd-4e3a-aa8c-14a6b8e755a4.png?v=1744419768&width=2000)
![[On sale at 10pm on 4/12] {Limited to 9 sets} Diamond Gacha💎 Yellow Diamond Rough Stone and 2 Loose Stone Set {Multiple Purchase Discounts Available}](http://store.karatz.jp/cdn/shop/files/collage_8171e390-f53b-4546-9c41-35e7c23dd448.png?v=1744417251&width=2000)
![[On sale from 10pm on 4/13] [Limited to 9 stones] 1 loose stone of lazurite in sodalite from Afghanistan (faceted cut, average 0.45ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_e258f196-8535-4f22-b3b9-258df8121d59.png?v=1744416569&width=2000)
![[On sale from 10pm on 4/12] Limited to 9 stones, 1 loose Nigerian green beryl stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010076_1e7c3873-1dac-47b5-bf05-a2b9fbf146b2.jpg?v=1744355360&width=4000)
![[On sale from 10pm on 4/5] Limited to 21 stones: 1 loose stone of Spanish sphalerite (faceted cut, average 0.60ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010136_0b6be8e2-3d9a-404f-8b80-c171bed91a40.jpg?v=1743812020&width=4000)
![[On sale from 10pm on 4/5] Limited to 12 stones, Brazilian Alexandrite 1 loose stone (round cut, 1.0mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_d118382d-0e4a-4d60-9cd6-74618aade0a1.png?v=1743771208&width=4000)
![[On sale from 10pm on 4/5] {Limited to 5 stones} 1 Brazilian Alexandrite loose stone (round cut, 1.3mm) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_26e5c2c0-5a8f-4fb8-abc9-a1ba92158f67.png?v=1743770499&width=4000)
![[On sale 4/4 at 10pm] {4 stones remaining} Brazilian unheated Imperial Topaz 1 loose stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010293_7fe1422d-0ef8-4d17-abbf-87979284693d.jpg?v=1743750195&width=3212)
![[On sale from 10pm on 4/5] Limited to 8 pieces, 1 Nigerian Morganite loose stone (April birthstone, average 1ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010238_e94baa95-2cb3-487e-9e62-515421541879.jpg?v=1743749229&width=3494)
![[On sale from 10pm on 4/5] [Jeweler's Tools] [Limited Quantity] H&C (Heart & Cupid) Special Scope - CZ Size Comparison 10 Pieces 2-Piece Set](http://store.karatz.jp/cdn/shop/files/collage_93cd8b3a-e07f-44c4-a6d0-5eb2f01d53f0.png?v=1743666964&width=4000)
![[On sale from 10pm on 4/5] [Jeweler's Tools] {Only a few left} 3-piece set: Jewelry loupe (14x magnification), blue diamond, and pink tourmaline or sapphire](http://store.karatz.jp/cdn/shop/files/collage_decd18ef-172e-4f8c-8e19-ca40351ff10c.png?v=1743665373&width=4000)
![[On sale from 10pm on March 30th] Set of 2 Tanzanite stones from Tanzania (2mm, round cut) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010377_93a74f9b-b203-430d-a457-1c1dee0ec91b.jpg?v=1743167347&width=3303)
![[On sale from 10pm on March 30th] {Limited to 10 stones} 1 petzotite loose stone from Madagascar (2mm, round cut) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010345_6938ca86-eb81-4dba-8f62-a2d0c7c2f667.jpg?v=1743166619&width=3381)
![[On sale from 10pm on March 30th] Limited to 24 stones South African diamond rough (yellow fluorescent, orange fluorescent, green fluorescent) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_a314865e-0088-405b-8d16-e0fada0114ac.png?v=1743135552&width=4000)
![[On sale 3/29 at 10pm] {Only a few left} Fluorescent Diamond Gacha💎 (SI class equivalent, orange/green fluorescent, etc.) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_f19fcb54-f6ac-4853-9c89-c22ed42b907f.png?v=1743134721&width=4000)
![[On sale from 10pm on March 20th] Limited to 10 stones, 1 London Blue Diamond Loose (VS-SI class equivalent, 1.8mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/E13C2E19-2F57-4CAF-865C-A2D2F8D65C56.jpg?v=1741998498&width=4000)
![[On sale from 10pm on March 16th] Limited to 9 stones, 1 London Blue Diamond loose (VS-SI class equivalent, 2.0mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_88a3789f-3b10-42c2-8050-d7d11cd86bdf.png?v=1741998498&width=2000)
![[On sale from 10pm on March 16th] Madeira Citrine from Brazil (6mm, round cut, November birthstone) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010048_e5b03f2e-d664-46c5-8b42-744223d6cf87.jpg?v=1741995943&width=4000)
![[On sale at 22:00 on March 16th] [Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_aaa7a0c3-17e0-460a-8609-f11fcce374ed.png?v=1741995367&width=2000)
![[On sale from 10pm on March 14th] [Limited to 15 stones] [New in Tucson] Australian iron opal, 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010034_48507d2c-17cb-4cfb-9fc2-a71056b6c384.jpg?v=1742169452&width=4000)
![[On sale from 10pm on March 14th] {Limited to 11 stones} 1 loose stone of Grandidierite from Madagascar (cabochon cut) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010018_6c4f00b1-010f-4420-aef3-c45c45cf1567.jpg?v=1741871337&width=4000)
![[On sale from 22:00 on 3/8] {Limited to 25 stones} 1 unheated Yogo sapphire rough stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_b34a827a-6c79-4c05-a76e-c0e6fcf707d0.png?v=1741058106&width=2000)
![[On sale at 22:00 on 3/8] [Limited to 15 stones] 1 loose Smithsonite stone (average 2ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010051_51f35536-aa7c-427b-8f7b-34e4723843ae.jpg?v=1741128833&width=4000)
![[On sale from 10pm on 3/8] [Limited to 7 stones] 1 loose rhodolite garnet from Tanzania (polished by American polisher KEN) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010233_4c475906-7346-480a-9c6d-f75750a47a60.jpg?v=1741046916&width=4000)
![[On sale from 10pm on 3/8] Limited to 9 stones, 1 loose green beryl stone from Brazil [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010213_a5c02c78-98bf-493c-a1c9-8b6a2c9a2993.jpg?v=1741046475&width=4000)
![[On sale from 10pm on 3/7] {Limited to 17 stones} 1 loose green beryl stone from Brazil {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010179_751637e1-1aa7-426e-8900-f6a0a4bbe3a9.jpg?v=1741046258&width=4000)
![[On sale at 22:00 on 3/8] [Limited to 7 stones] [New in Tucson] 1 loose sphalerite stone from Spain (cabochon cut, 4.8-5.3mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010097_840189b5-f792-4b09-8c96-3014af83d3e8.jpg?v=1741046684&width=4000)
![[On sale from 22:00 on 3/8] [Limited to 5 stones] 1 green zircon from Sri Lanka [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010111_237f95b5-44bd-48c6-affc-4e03e1f60554.jpg?v=1741058495&width=4000)
![[On sale from 22:00 on March 1st] {Limited to 10 stones} Pakistani Veirinite (Baylinenite) 1 stone loose (round cut) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010425_bd188dbe-2f96-4454-b5f4-6fab98ed6b47.jpg?v=1740556575&width=4000)
![[On sale 3/2 at 10pm] [Limited to 10 stones] [New in Tucson] 1 loose Australian rainbow lattice sunstone (average 0.28ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_1d2279f7-8d0c-4686-aaf1-b0d651834c2f.png?v=1740555801&width=1000)
![[On sale at 22:00 on 2/24] {Limited to 9 stones} Diamond Gacha💎 1 loose treated diamond (ice blue, purple, etc. / 1.7-3.0mm) {Multiple purchase discount available}](http://store.karatz.jp/cdn/shop/files/collage_12658f09-d1ac-4fba-8d7c-3a3b61600e73.png?v=1740177730&width=1000)
![[On sale from 10pm on 2/24] {Limited to 7 stones} Diamond Gacha💎 Ice blue diamond (equivalent to VS-SI class, 2-2.7mm) 1 loose stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_fe2b3e62-7c8c-4890-9b8a-280832219867.png?v=1740177030&width=1000)
![[On sale from 10pm on 2/22] Limited quantity: Pakistani Veirinite (Baylinenite) 1 stone loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010073_b12e7a9c-99d5-49e9-88bb-60775d6de189.jpg?v=1740144839&width=4000)
![[On sale from 10pm on 2/23] [Limited to 4 stones] [New in Tucson] 1 loose Brazilian dendritic quartz stone (average 4.5ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f5970fae-42de-45c1-b59a-a869e8c3fca4.png?v=1740144311&width=1000)
![[On sale from 10pm on 2/16] [Limited to 16 stones] 1 loose sphene stone from Zimbabwe [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010014_b5a60e81-6784-486d-ab50-a39c21ed84d4.jpg?v=1739573082&width=4000)
![[5 stones remaining] Tanzania bicolor mint garnet 1 loose stone (UV type) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_482bd6e8-3c3e-450b-a007-0f5bf8a3f6ab.png?v=1739537143&width=1000)
![(Campaign available) [New in Tucson] Set of 2 fluorite rough stones from Diana Maria and Lady Annabella, England [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_ef2cd7df-39ce-405b-8fce-405de52dadd9.png?v=1739658449&width=1000)
![[On sale from 10pm on 2/8] {Limited to 11 stones} Diamond Gacha💎 Single cut diamond (VS~I class, 1.8-1.9mm) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010114_d01cae0e-1ac2-403f-9e82-368964fab970.jpg?v=1738929253&width=4000)
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.
