














Swiss blue topaz 81.900ct loose
Blue topaz, which has an attractive blue color, is one of the most popular topaz colors that come in a wide variety of colors. Among them, "Swiss Blue Topaz" is a dark and vivid blue stone like this loose stone. It's a heart-warming and pleasant color.
・Type: Loose (natural stone)
・Stone name: Swiss blue topaz
・Weight: 81.900ct
・Scratch/chip: S
・Inclusion: A+
・Note: Usually, irradiation treatment is performed.
*Blue topaz is generally a gemstone that has been irradiated.
・Accessories: Karatz quality guarantee card, case
▷For more information about blue topaz
Blue Topaz | Sky, Switzerland, London, the most valuable
*We try to make sure that the colors in the photos are the same as the real thing, but the colors may look slightly different from the real thing depending on the lighting at the time of shooting and the monitor environment you are using. In addition, some photos may be taken using penlights.
*Click here for information on scratches, chips, treatments, and inclusions.
*For other frequently asked questions, please click here .
karatz_item_id: 12519346
・Type: Loose (natural stone)
・Stone name: Swiss blue topaz
・Weight: 81.900ct
・Scratch/chip: S
・Inclusion: A+
・Note: Usually, irradiation treatment is performed.
*Blue topaz is generally a gemstone that has been irradiated.
・Accessories: Karatz quality guarantee card, case
▷For more information about blue topaz
Blue Topaz | Sky, Switzerland, London, the most valuable
*We try to make sure that the colors in the photos are the same as the real thing, but the colors may look slightly different from the real thing depending on the lighting at the time of shooting and the monitor environment you are using. In addition, some photos may be taken using penlights.
*Click here for information on scratches, chips, treatments, and inclusions.
*For other frequently asked questions, please click here .
karatz_item_id: 12519346
Choose options





![[On Sale 10 PM, June 7] *Limited to 3 Sets* 1.0ct/D/VS-VVS/IDEAL Lab-Grown Diamond (Synthetic Diamond) & 2 Rare Cabochon Stones (Total of 3 Stones Included) *Multiple Purchase Discount Available*](http://store.karatz.jp/cdn/shop/files/collage_ae0e6f4c-425c-453a-84b2-b5046b4b211f.png?v=1777937307&width=2250)
![[On sale June 7th at 10 PM] Limited to 10 stones: Flower-cut gem gacha 💎 Cherry blossom shape normally 39,800 yen, and a ruby with a new cut (plus an extra new cut) 《Multiple purchase discount available》](http://store.karatz.jp/cdn/shop/files/collage_434c8920-9070-4051-800d-08ef55dca2b6.png?v=1780651117&width=4000)

![[On Sale June 7th, 10 PM] Limited to 15 Stones: Afghan Pink Diaspore Single Stone Loose Gemstone (Avg. 0.3ct) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010212_0cf98850-1eef-4062-9357-fd4c24ff6ff7.jpg?v=1780475062&width=4000)
![[On sale June 7th at 10 PM] Limited 1 set: 6-stone Benitoite Gradient Set (including Orange Benitoite (Peach Benito) and Top Quality, 1.75mm). Multiple purchase discount available.](http://store.karatz.jp/cdn/shop/files/P3030041_7713be7f-6be6-48d5-9dd7-67b9e2fe8d32.jpg?v=1772529823&width=1386)
![[On sale June 7th at 10 PM] Limited to 1 set: 6-stone Benitoite Gradient Set, including Orange Benitoite (Peach Benitoite) (2.25mm, includes top quality) [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/P3030003_0ef72a27-a332-4d89-94a2-87d25d73c2e6.jpg?v=1772530085&width=1262)
![[On sale June 8th, 10 PM JST] "Limited to 12 Stones" Garnet Gacha with 8mm Dandelion Cut Rhodolite Garnet (Normally 39,800 yen) "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/43_a7f6b113-3868-4517-a3ff-ed758e3d8035.png?v=1780534972&width=1890)



















