Adult Sebonstar (Sebonstar x KARATZ collaboration jewelry)
![[Lottery Sales Page] Adult Sebon Star 3rd Edition Charmy Premium Model <Royal Blue Sapphire> (Sales Price: 1,580,000 yen)](http://store.karatz.jp/cdn/shop/files/P8072527.jpg?v=1761093998&width=4000)
![[Sales Start November 21st at 10 PM] Sebon Star Jewelry for Adults, Part 3: Heart Key Lock Pendant, Silver Model (Silver/Gold Color), SV925](http://store.karatz.jp/cdn/shop/files/PA078307_bd775702-6b2b-4562-860d-2e9c582a7986.jpg?v=1762047939&width=4000)
![[Sales Start November 21st at 10 PM] Sebon Star Jewelry for Adults, No. 3 Heart Key Lock Pendant, Precious Model (Platinum/Gold) Pt950/K18YG/K18PG](http://store.karatz.jp/cdn/shop/files/PA078307_2123680b-0e41-4868-a4e8-0d3379cedcc5.jpg?v=1762298053&width=4000)
![[Sales Start November 21st at 10 PM] Sebonstar Jewelry for Adults, No. 3 Charmy Pact Ring, Silver Model (Silver/Gold Color), SV925](http://store.karatz.jp/cdn/shop/files/PA067498_211f7317-ec9c-484c-9b13-a44ef1bd0bf1.jpg?v=1762048893&width=4000)
![[Sales start at 10 PM on November 21st] Sebonstar Jewelry for Adults, No. 3 Charmy Pact Ring, Precious Model (Platinum/Gold) Pt950/K18YG/K18PG](http://store.karatz.jp/cdn/shop/files/PA067498_085f46a8-30f9-4c0a-aa5b-ba86eb8620de.jpg?v=1762304991&width=4000)
![[Available at 10:00 PM on November 21, 2025] Adult Sebon Star Adjuster Charm (Not available for individual purchase)](http://store.karatz.jp/cdn/shop/files/P9170504.jpg?v=1738627942&width=4000)
![[Sales start at 10 PM on December 10th] Sebonstar Jewelry for Adults, Part 3: Sebonstar Pendant for Adults, Mirage Edition (Silver Model/Precious Model)](http://store.karatz.jp/cdn/shop/files/P8061894.jpg?v=1761201097&width=4000)
![[Sales start at 10 PM on December 10th] Adult Sebon Star 1st Edition Pendant Silver Model (SV925)](http://store.karatz.jp/cdn/shop/files/4b20f821b247baeba4e6ddc6a353084f.jpg?v=1738627851&width=4000)
New Arrivals & Updates on 11/21 (Fri)
![[On Sale 11/23 10pm] Colombian Oil-Free Emerald 0.220ct Loose GIA](http://store.karatz.jp/cdn/shop/files/PA305874_2fbd4ad7-b3d8-4856-b254-4307f79b2a65.jpg?v=1763680533&width=2997)
[On Sale 11/23 10pm] Colombian Oil-Free Emerald 0.220ct Loose GIA
Sale price¥298,000
[On Sale 11/23 10pm] Madagascar Hot Pink Sapphire 1.120ct Loose GIA
Sale price¥158,000
[On Sale 11/23 10pm] 4.678ct Oregon Sunstone Loose Stone from the USA
Sale price¥69,800
![[On sale 11/23 at 10pm] Synthetic Rutile 6.1mm/1.312ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB129479.jpg?v=1763679667&width=4000)
[On sale 11/23 at 10pm] Synthetic Rutile 6.1mm/1.312ct Loose Stone
Sale price¥18,800
Benitoite 0.091ct loose
Sale price¥22,800
Colombian trapiche emerald (reverse trapiche) 0.144ct loose
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.084ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.108ct loose
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.074ct loose
Sale price¥8,800
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
Montana Sapphire 3mm/0.155ct loose
Sale price¥18,800
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥9,800
Paraiba tourmaline from Mozambique 0.243ct loose
Sale price¥15,800
Baddeleyite from Myanmar 0.279ct Ruth Japanese German edition
Sale price¥15,800
![[On sale at 10pm on November 22nd] Afghanistan Hackmanite 0.246ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB067883.jpg?v=1762513376&width=4000)
![[11/22 22:00] Sri Lankan Hessonite Garnet 1.968ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB119355.jpg?v=1763679666&width=4000)
[11/22 22:00] Sri Lankan Hessonite Garnet 1.968ct Loose Stone
Sale price¥12,800
![[11/22 22:00] Tanzanian Rhodolite Garnet 0.843ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB067285.jpg?v=1762507218&width=4000)
[11/22 22:00] Tanzanian Rhodolite Garnet 0.843ct Loose Stone
Sale price¥9,800
![[On Sale 11/22 10pm] Tanzanian Rhodolite Garnet 5.3mm/0.903ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB067181.jpg?v=1763679826&width=4000)
List of new arrivals
Bicolor Andesine 6mm/0.852ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥12,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Unheated Ruby from Myanmar 0.433ct Ruth Japanese-German Edition
Sale price¥55,800
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥4,980
Scapolite Cat's Eye 9.733ct Loose
Sale price¥6,980
Quartz 96.732ct loose (explosion crystal)
Sale price¥2,980
Hemimorphite 34.490ct loose
Sale price¥55,800
Pink tourmaline 4.0mm/0.300ct loose stone
Sale price¥4,980
Oregon Sunstone 1.333ct Loose
Sale price¥8,800
![[On sale at 10 PM on November 15th] Limited to 9 stones: One rough petalite stone from Myanmar (average 6.0 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130145.jpg?v=1763171751&width=4000)
Sapphire from Madagascar 4.5mm/0.414ct loose
Sale price¥12,800
Sapphire from Madagascar 4.3mm/0.398ct loose
Sale price¥12,800
Hot Pink Spinel 0.203ct Loose (Mahenge Spinel)
Sale price¥8,800
Pink sapphire from Mozambique 0.213ct loose (hot pink sapphire)
Sale price¥9,800
Synthetic Moissanite 0.632ct loose stone (tie cut)
Sale price¥3,980
Synthetic Moissanite 0.509ct loose stone (tie cut)
Sale price¥3,980
Colombian trapiche emerald (reverse trapiche) 0.196ct loose
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.094ct loose
Sale price¥9,800
Spanish Andalusite 0.317ct loose stone
Sale price¥3,980
Andalusite 0.293ct loose stone
Sale price¥3,980
Andalusite 0.192ct loose stone
Sale price¥2,980
Brazilian bicolor tourmaline 4.782ct loose
Sale price¥39,800
Red Beryl 2.9mm/0.096ct loose
Sale price¥25,800
Pink spinel 3.208ct loose
Sale price¥98,000
Red beryl 0.173ct loose
Sale price¥29,800
Red beryl 0.136ct loose
Sale price¥25,800
Red beryl 0.131ct loose
Sale price¥19,800
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Myanmar trapichel ruby 0.261ct rough stone
Sale price¥3,980
Yellow sapphire from Madagascar 0.232ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Madagascar sapphire 0.205ct loose
Sale price¥7,980
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥32,800
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥19,800
Tinker Bell Quartz (Pink Fire Quartz) 1.664ct Loose (Faceted Cut)
Sale price¥12,800
《Products eligible for multiple purchase discount》
![[On sale November 16th at 10pm] [Limited to 32 stones] Namibian Mandarin Garnet Loose Stone (Round Cut, 2.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130022.jpg?v=1763179441&width=4000)
![[On sale at 10 PM on November 15th] Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130286.jpg?v=1763173719&width=4000)
![[On sale November 15th at 10 PM] [Limited to 7 stones] One loose colorless apatite from Madagascar (all stones come with a certificate of authenticity, average 0.60 carat) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130098_64bd5f6d-3d76-4a2e-aa75-fb4deecc1091.jpg?v=1763171530&width=4000)
![[Available at 10 PM on November 15th] Limited Quantity: Single Rough Neon Blue Apatite from Madagascar (Average 2.2 carats) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PB130064.jpg?v=1763170621&width=4000)
![[Available at 10 PM on November 8th] [Limited to 3 stones] Indian Andesine Labradorite (Rainbow Moonstone) Flower Carving, 6mm, 1 stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010023.jpg?v=1755868377&width=4000)
![[On sale November 8th at 10pm] Limited to 4 stones: Carving Gacha (pink tourmaline, average 3.4 carats) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_6903d02a-b1e6-4076-9d6a-36218d0edbf1.png?v=1762565599&width=2250)
![[On sale November 8th at 10pm] Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3c1f4b82-5dc0-4183-a4c0-c9d7900fd6ab.png?v=1762565061&width=2250)
![[On sale November 8th at 10pm] Limited to 7 stones: One loose Indian iolite sunstone (custom cut by Sanjay) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_9489ef58-06e2-4a71-886b-462d8b67ca0d.png?v=1762564474&width=2250)
![[On sale November 8th at 10pm] Limited to 8 stones: Synthetic Alexandrite Loose Stone (Custom cut by Mr. Sanjay, Shield cut, Octagonal cut, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f39b4280-e930-40c9-acc6-afe7cbefab9e.png?v=1762563420&width=2250)
![[On sale November 3rd at 10pm] [Limited to 14 stones] One loose Russian oil-free emerald (2.1mm, square cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010751_b01a2802-d699-455c-a4e7-3df36f637eb8.jpg?v=1762075075&width=4000)
![[Sales start November 2nd at 10 PM] [Limited to 10 stones] Tanzanite rough gacha including bicolor pink tanzanite rough (average 4.2 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_5799e77a-97c8-4d6c-b77b-dec5271cc0a0.png?v=1762053625&width=2250)
![[Sales start November 2nd at 10 PM] [Limited to 8 stones] Colombian Mango Quartz (up to 60 carats, average 21.6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA300162_a9e8f9be-8438-4ac9-b9c4-ab6cf29f7bbd.jpg?v=1762053108&width=4000)
![[On sale November 1st at 10 PM] [Limited to 12 stones] Brazilian Indigolite Tourmaline Gacha Loose Stone (4x3mm, Oval Cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA230072.jpg?v=1761804822&width=4000)
![[On sale 10/31 at 10 PM] Limited to 10 stones: 0.20ct Yellow Diamond Loose Stone, Including Fancy Colors [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_64543983-1aef-497a-b59d-22c8da336a98.png?v=1761804115&width=2250)
![Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA170328.jpg?v=1760920536&width=4000)
![[On sale 10/19 at 10 PM] {Limited to 10 stones} Paraiba Tourmaline Gacha 💎 Paraiba Tourmaline or Paraiba Tourmaline in Quartz (1 loose stone) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/18_261a657f-9dba-46a6-9a8b-1805ad2c5b57.png?v=1760745196&width=4000)
![Limited to 15 stones: One loose, unheated silky pink sapphire from Vietnam (2.5mm, round cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010261_a395415b-ed3a-4054-93e9-3ef1eec4d810.jpg?v=1757670251&width=4000)
![Limited to 14 stones: One loose Mozambique hot pink sapphire (pear-shaped, approximately 4 x 3 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010380_b8f4e8df-e135-458b-8f10-fc4f411d34e2.jpg?v=1760236878&width=4000)
![[4 stones left] Brazilian Dendritic Quartz Kitten Cut Loose Stone (For Beginners) (5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_bee5ee11-c26d-47e0-9e94-2c270bbdf768.png?v=1760169992&width=2250)
New anime "Hell Teacher Nube"
![[Sales start on Friday, November 21st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration jewelry: Demon Hand Pendant](http://store.karatz.jp/cdn/shop/files/5df0d1811d08c713ce16794e8cfaae33.jpg?v=1761110502&width=4500)
![[Sales start at 10:00 PM on Friday, November 21st] New anime "Hell Teacher Nube" x KARATZ collaboration jewelry Nueno Meisuke model ring](http://store.karatz.jp/cdn/shop/files/195e906b0eb3d38f37328713cc6a7f3a.jpg?v=1762242333&width=4500)
![[Sales start at 10:00 PM on Friday, November 21st] New anime "Hell Teacher Nube" x KARATZ collaboration jewelry Tamamo Kyosuke model ring](http://store.karatz.jp/cdn/shop/files/7c352b6d961d925c6d5f5cc284bf5ebf.jpg?v=1762242131&width=4500)
![[Sales start on Friday, November 21st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration jewelry Yukime Model Ring](http://store.karatz.jp/cdn/shop/files/3a513ace976cd262c7e8b3ca74d9ebeb.jpg?v=1761110605&width=4500)
![[Sales start at 10:00 PM on Friday, October 31st] New anime "Hell Teacher Nube" x KARATZ collaboration original acrylic stand](http://store.karatz.jp/cdn/shop/files/1_4c6c968c-6db5-458f-a891-e73749c1a17a.jpg?v=1760422214&width=4500)
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original glitter tin badges](http://store.karatz.jp/cdn/shop/files/1_24a31620-bd03-4006-98d1-6ef840402ca0.jpg?v=1760421857&width=4500)
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original clear postcard set](http://store.karatz.jp/cdn/shop/files/428aad1349d1b6062359ea69c02bc6d8_6a1b25e9-611b-4c68-9588-eedff19a7429.jpg?v=1760420792&width=4500)
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original sticker set](http://store.karatz.jp/cdn/shop/files/16d74c3394e651e16b3426ed000fc68d.jpg?v=1760420285&width=4500)
![[Sales start on Friday, October 31st at 10:00 PM] New anime "Hell Teacher Nube" x KARATZ collaboration original random acrylic keychains](http://store.karatz.jp/cdn/shop/files/FIX_-11.jpg?v=1760861228&width=4500)
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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 publishes "Gemstone Encyclopedia"
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.