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Gems and Precious Stones

Gems and precious stones are cut or polished minerals used to create jewelry, accessories and other ornaments. Some of the most popular precious stones include amethyst, aquamarine, diamond, emerald, opal, ruby, sapphire, topaz, and turquoise.

1,193 Questions

How do you tell the difference between synthetic Australian opals and nautural Australian opals?

To someone not familiar with Australian doublet and triplet opals, it would be difficult to tell the difference between them and solid opals when the stones have been set.

Some of the ways to tell the difference are:

  • The price - doublets and triplets are much less expensive than similar solid stones;
  • Doublets have a thin slice of opal mounted on a black backing. If you can see the underside of the stone in the setting, you can tell whether it is a "black backing" or the stone;
  • Triplets have a clear quartz cap on top of the opal in addition to the black backing. With a magnifying glass or incredible eyesight, you can see the thin clear layer on top of the stone.

Jewelry with doublet and triplet opals has the same appearance as a solid opal. It's possible to find jewelry with amazingly brilliant colors at a reasonably affordable price when the stone is set as a doublet or triplet.

Cost of diamond earings 10 carats?

The cost of 10-carat diamond earrings can vary widely depending on the quality of the diamonds, the design of the earrings, and the retailer selling them. In general, you can expect to pay tens of thousands to hundreds of thousands of dollars for 10-carat diamond earrings. It is best to consult with a reputable jeweler to get an accurate estimate based on your specific preferences.

Is a diamond accent a diamond?

The phrase "diamond accents" in the description of a piece of jewelery generally refers to small diamonds. Often they're so small you'd need a magnifying glass to tell that they actually are there.

Where in the world does amber occur?

Amber is found in various parts of the world, with major deposits located in the Baltic Sea region (such as Poland, Russia, and Scandinavia), the Dominican Republic, Mexico, and Myanmar. The formation of amber is typically associated with ancient forests and resin-producing trees.

Is a ring marked 10-14 kt hge lind worth anything as gold?

The "HGE" marking indicates that the ring is not solid 10-14 karat gold, but rather gold electroplated. As a result, the ring may have minimal gold content and likely not worth much for its gold value. It may have value as a decorative or vintage item instead.

Hindi slogan for gems and diamond company?

"सुंदरता का कोई माप नहीं, छोटी सी चीजों में छुपा जवाहर है।"

What does PLD and GCA mean on jewelry?

PLD stands for Palladium, which is a type of metal often used in jewelry making. GCA stands for Gemological Certification of America, which indicates that the jewelry has been certified by that organization as genuine.

Can a ruby be pink?

Yes, rubies can come in various shades of pink, ranging from light pink to deep, almost red hues. The presence of certain minerals, such as chromium, can influence the color of a ruby.

What is the difference between a real diamond and a diamond aura diamond?

A real diamond is a naturally occurring gemstone formed from carbon, known for its hardness and brilliance. Diamond aura is a lab-created diamond coated with a thin layer of vaporized elements to give it unique colors and effects, often resulting in a lower cost compared to natural diamonds.

How much does 45.52 carats weigh?

According to metric conversion calculator on metrics conversions dot org: 42.52 ct weighs 0.299969 ounces.


(The carat weight you quote is the exact weight of the Hope Diamond.)

How tall is a 3106 carat diamond?

The 3,106 carat stone you reference is the rough diamond stone found in Africa, from which The Cullinan Diamonds were 'chipped'. That many carats weights about one and a third pounds.

You can see in the photo, link below, of the largest of these 'chips' what a 503+ carat, cut and polished stone looks like in the hands of the jeweler.

This means that the 3,000 plus carat stone -- the uncut, rough stone, was about six times the size of the stone in the top photo.

An archive photo of the raw stone is visible further down the page. The stone appears to fill a man's hand.


Some rough diamonds are shaped like two pyramids, joined at the base. This stone, however, appears to be shaped asymmetrically.

I found a 1 carat diamond and wondering an estimate of what it is worth. All I know is that its round and it cuts glass?

Take the stone to a reputable gemologist and ask for a description of its cut, colour, carat weight and clarity.

Then ask a jeweler how much s/he would charge you for a comparable stone. This may give you an indication of about how much the stone is worth.

Does a garnet fracture?

Garnets are relatively durable stones, but they can fracture under significant force or pressure. However, they are not as prone to fracturing as some other gemstones. Proper care and handling are essential to prevent damage to garnet jewelry.

What animal does the garnet symbolise?

The garnet is said to symbolize commitment, love, and passion. It is also believed to bring guidance and protection to those who wear it.

How nuch does opal gemstones cost?

The cost of opal gemstones can vary widely depending on factors like size, quality, and color. On average, opal gemstones can range anywhere from $20 to $2,000 per carat, with rare and high-quality opals fetching even higher prices. It's best to reach out to a reputable jeweler or gem dealer for specific pricing based on your preferences.

What is a bright green precious stone?

A bright green precious stone could be an emerald. Emeralds are known for their vivid green color and are considered one of the most valuable gemstones in the world. They are typically found in countries like Colombia, Zambia, and Brazil.

How might the steeples swim amethyst?

It is not physically possible for steeples to swim or amethyst to have the ability to facilitate this action. Amethyst is a type of quartz mineral known for its purple color and does not possess any inherent swimming capabilities.

Does diamond wear away after years?

Diamonds are forever

Diamonds are 'not' forever. They spontaneously react to form graphite (the stuff in your pencil), however, this takes a very long time. It is not something you will witness in your lifetime.

Is a manufactured diamond a real diamond?

Generally speaking, manufactured diamonds have the same chemical and physical properties of diamonds which are dug from the earth. So, yes, they are real. A certified gemologist will be able to discern a manufactured diamond, and will document it as such. Its value is considerably less than a natural diamond of similar characteristics.

Manufactured diamonds are not natural diamonds. There are other man-made gemsones which are presented as diamond substitutes. Those are not real diamonds either.

What did a 1 Carat diamond solitaire engagement ring cost in 1983?

A local jeweler may be able to answer your question.

You'll need to be specific and include these facts about the ring:

  • Metal and its karat grade
  • Cut
  • Colour
  • Clarity

The last three being details about the stone.

Why is opals unlucky?

Opals have been associated with bad luck in some cultures due to superstitions and myths. In the past, opals were believed to bring misfortune because of their changing colors, which was seen as unsettling. However, many people today view opals as a symbol of hope, creativity, and inspiration.

Is topaz found in California?

Yes, topaz is found in California, particularly in the Thomas Mountain range in Riverside County. It is relatively rare in the state compared to other locations around the world.

What is the difference between yellow topaz and imperial topaz?

Yellow topaz is a common variety of topaz that ranges in color from pale yellow to golden yellow. Imperial topaz, on the other hand, is a rare and highly valued variety of topaz that displays a reddish-orange to pinkish-orange color. Imperial topaz is considered the most valuable type of topaz due to its scarcity and unique color range.

What does 14K S and S mean inside a ring?

Most likely it is the manufacturers initials.

** if the "SW" is on a ring then it could be the makers mark or it could refer to the stone if there is one.. more details about the ring would be needed.. usually this refers to a pearl.. meaning authentic Akoya Saltwater pearl.

What precious Stone that begin with a d?

Diamond is a precious stone that starts with the letter "d." It is known for its brilliance, durability, and rarity, making it a highly sought-after gemstone for jewelry.