



















Green sapphire 0.518ct loose (teal green)
Sapphire is a famous stone. The mineral is corundum, which is the same as ruby, but all corundum other than red is called sapphire. This is a green sapphire. With a hardness of 9, sapphire is the second hardest gemstone after diamond, and is a highly tough and stable gemstone that is easy to care for.
A heart-shaped sapphire with a teal green hue.
・Type: Loose (natural stone)
・Stone name: Green sapphire
・Weight: 0.518ct
・Scratch/chip: S
・Inclusion: A+
・Note: Usually heated.
*Generally, sapphires are gemstones that have been heated, but this is a product for which heating could not be determined through standard inspection using a microscope, etc. Determining whether the product is heated or not requires advanced testing by an identification organization.
・Accessories: Karatz quality guarantee card, case
▷For more information about fancy color sapphire
The charm of fancy colored sapphires | Blue is not the only sapphire! ?
▷We accept jewelry processing
If you would like to have jewelry processed, please place your order along with your desired frame from the link below.
・[Choose from stones] Simple order
・[Choose from stones] Semi-order
*If you would like a photo of a stone placed in a frame, would like to discuss a full order, or have any other questions or concerns, please feel free to contact us here .
*Rough stones are not available. There are also some stones that cannot be used.
*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: 12545368
・Type: Loose (natural stone)
・Stone name: Green sapphire
・Weight: 0.518ct
・Scratch/chip: S
・Inclusion: A+
・Note: Usually heated.
*Generally, sapphires are gemstones that have been heated, but this is a product for which heating could not be determined through standard inspection using a microscope, etc. Determining whether the product is heated or not requires advanced testing by an identification organization.
・Accessories: Karatz quality guarantee card, case
▷For more information about fancy color sapphire
The charm of fancy colored sapphires | Blue is not the only sapphire! ?
▷We accept jewelry processing
If you would like to have jewelry processed, please place your order along with your desired frame from the link below.
・[Choose from stones] Simple order
・[Choose from stones] Semi-order
*If you would like a photo of a stone placed in a frame, would like to discuss a full order, or have any other questions or concerns, please feel free to contact us here .
*Rough stones are not available. There are also some stones that cannot be used.
*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: 12545368
Choose options




















Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
Regular price



![[Restock on June 27th at 10 PM] Authentic Gemstone Encyclopedia 3D Stickers Vol. 1: The Big Five Gems](http://store.karatz.jp/cdn/shop/files/IMG_3658.jpg?v=1781061036&width=3384)
![[Sales start 10 PM on 6/26] Limited to 30 sets: 1 in 10 is a pair of 2 stones - Zambian emerald loose stone (approx. 6x4mm, emerald cut) with deep color. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_aeb10a54-ec73-4ab3-9ab2-40cc227a8bcc.png?v=1782347727&width=3000)


![[On Sale June 27, 10 PM JST] "Limited to 10 Stones" Rough Stone Gacha including Paraiba Tourmaline (CuO: 1.7%+ content) and Benitoite (with a bonus Oregon Sunstone) "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/52_a5256d7b-e60a-4b76-822d-f33111c60340.png?v=1782353139&width=2268)
![[On sale June 27th at 10 PM] Limited to 10 Stones: Sri Lankan Chrysoberyl (Cut by Mr. Sanje) Gacha (Includes Parrot Color, Canary Yellow) [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/P5150155.jpg?v=1779061883&width=4000)
![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/2026-06-2516.42.36.png?v=1782373473&width=1280)

![[Sale on June 27th at 10 PM] Limited to 2 Stones: Myanmar Red Spinel (Pear Shape approx. 4x3mm) - Multi-Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010276_6883d9c0-c222-4c55-a751-78659b5850e8.jpg?v=1782361559&width=4000)



















![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)