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There are several reasons why a natural, gem-quality diamond is costly, the foremost being it's rarity. Only about 20% of all diamonds mined are gem-quality.

Also, lab-created diamonds are less costly that natural diamonds.

Industrial quality diamonds are not costly.

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12y ago

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Related Questions

Is kohinoor most costly diamond?

Since the Koh-i-Noor is not for sale, it cannot be called the most costly diamond.


Is orange the most costly diamond?

Nope. Red diamond is the most expensive. There are less than 20 natural red diamonds for sale on Earth at the moment.


What was the largest carat weight of a diamond ever used in an engagement ring?

It's impossible to tell the largest diamond ever used in an engagement ring, but the most costly was Beyonce's at $5 Million, given to her by Jay-Z it had an 18 Carat diamond at its centre.


What is the biggest mistake with a diamond?

The biggest mistake with a diamond is overpaying for one that is not of high quality or being misled about its characteristics. It's important to educate yourself on the 4 C's (cut, color, clarity, carat) and to buy from a reputable jeweler with certifications to avoid making a costly mistake.


Which diamond is wary costly?

The costliest diamonds are gem-quality stones rated with perfect colour -- for their colour category, flawless in clarity, excellence of cut and with a heavy carat weight.


What is the superlative for costly?

The superlative for costly is "most costly" or "costliest."


Is costly an adjective?

Yes, costly is an adjective. E.g. It was a costly mistake. (One that was expensive to fix, or that led to other bad consequences.)


Synonyms of expensive?

Costly.


What is the comparative and superlative degree for costly and mad?

It should be most costly.


What is comparative and superlative adjective of costly?

costlier, costliest


What is the opposite of costly?

The opposite of costly can be cheap, inexpensive, or affordable.


Is silicon costly?

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