- How much are sapphires worth?
- How much is a London blue topaz worth?
- Is Blue Topaz dangerous?
- Is blue topaz a precious stone?
- Which gemstones are toxic?
- Is Blue Topaz always treated?
- Why do people wear topaz?
- How much is a topaz worth?
- What is the rarest color of topaz?
- Does London blue topaz fade?
- Why is London blue topaz expensive?
- Does London blue topaz scratch easily?
- How much is yellow topaz worth per carat?
- Is Topaz precious or semiprecious?
- What is the most expensive Topaz?
- What color of topaz is most valuable?
- How can you tell if blue topaz is real?
How much are sapphires worth?
Sapphire prices can range greatly, depending on many factors.
Sapphires can come as cheap as $25 per carat, to over $11,000 per carat.
A blue sapphire around 1 carat is likely to cost from as little as $450 to $1,600, depending on quality..
How much is a London blue topaz worth?
Since the 1970s, treatments have brought blue topaz to a broad market. When it was first introduced to the market, treated blue topaz sold for $20 to $40 per carat. But oversupply led to huge drops in wholesale prices, down to a few dollars or less per carat.
Is Blue Topaz dangerous?
Well it turns out blue topaz can be found in nature but it is very rare. Most blue topaz on the market has been exposed to radiation. This is no cause for alarm. Irradiated gemstones are not harmful.
Is blue topaz a precious stone?
The term “precious topaz” refers to stones with a rich yellow to a medium, peachy orange color. Blue has become the most popular color for topazes on the market today. However, almost all such gems began as colorless or pale blue topazes.
Which gemstones are toxic?
Actinolite – May contain asbestos.Adamite – Contains arsenic and some copper.Ajoite – Contains aluminum and copper.Alexandrite – Contains aluminum.Amazonite – Contains copper.Atacamite – Contains copper.Aquamarine – Contains aluminum.Auricalcite – Contains zinc and copper.Azurite – Contains copper.More items…
Is Blue Topaz always treated?
Some gemstones are exposed to radiation to enhance or change their color. Topaz is the most commonly treated stone. Typically orange, topaz becomes blue after it has been exposed. Diamonds and other precious gems may also be treated with radiation.
Why do people wear topaz?
This stone also boosts the thinking ability of the wearer, helping them make rational decisions. Suitable for both, men and women, a topaz gem is believed to provide intelligence and intellect to a man and happiness to a woman. It may also prove beneficial in controlling aggression, anger and in reducing fears.
How much is a topaz worth?
In contrast, precious topaz (a.k.a. ‘imperial’ topaz) in rich orange colors fetches prices in excess of $1000/ct. for large (10 ct. +) sizes. The most valuable topaz is a rich pink or red color, and can reach $3500/ct.
What is the rarest color of topaz?
What is the rarest color of topaz? Imperial Topaz, also known as Precious Topaz is the rarest and most valuable of the Topaz family, coming in colors ranging from golden yellow to the extremely prized sherry pink color.
Does London blue topaz fade?
General Care Tips for Blue Topaz Gemstones Blue topaz is a popular variation of the topaz gemstone. … Although the color of topaz does not fade easily, exposing the stone for an extended period to high heat or direct sunlight may alter the gem’s hue over time.
Why is London blue topaz expensive?
Many London blue gems have a slightly greenish tone when viewed from certain angles. The reason why blue topaz is so reasonably priced is that topaz is a very abundant material. But natural topaz occurs mainly in white (colorless) and brown; natural blue topaz is actually very rare.
Does London blue topaz scratch easily?
Topaz’s hardness (8 on the Mohs scale) makes it durable and means that it does not scratch easily. To clean your topaz, simply use soapy water and a soft cloth. Be sure to rinse well to remove soapy residue. As with most gemstones, ultrasonic cleaners and steamers are not recommended.
How much is yellow topaz worth per carat?
Yellow Topaz Prices Yellow topaz prize in India ranges between ₹ 350 to ₹ 450 per carat ($5.4 to $7), depending on origin, color, clarity, size and cut etc.
Is Topaz precious or semiprecious?
Semiprecious stones include gemstones fashioned from: agate, amber, amethyst, aquamarine, aventurine, chalcedony, chrysocolla, chrysoprase, citrine, garnet, hematite, jade, jasper, jet, kunzite, lapis lazuli, malachite, moonstone, obsidian, onyx, peridot, rhodonite, sunstone, tiger’s-eye, tanzanite, topaz, turquoise, …
What is the most expensive Topaz?
Imperial Topaz, also known as Precious Topaz is the rarest and most valuable of the Topaz family, coming in colors ranging from golden yellow to the extremely prized sherry pink color. These stones are typically never treated, nor heated, and come from the Ouro Preto mines of Minas, Gerais, Brazil.
What color of topaz is most valuable?
The most valuable colors of Topaz are the golden orange-yellow type, called Imperial Topaz, and the dark pinkish-red and orange-red colors. Value increases with a deepness of color in orange and reddish hues.
How can you tell if blue topaz is real?
Dejavu is correct that the only real way to tell if it is a blue topaz is to find a certified gemologist to see it and they can run tests. There are so many treatments done to stones, including blue topaz, so its really difficult to tell without proper gem equipment if it is in fact a topaz or some other type of stone.