Not necessarily.
A diamond is valued according to its cut -- round in this case, carat weight, colour and clarity.
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Yes, if it is pure natural sapphire it will be worth more than a diamond.
Of equal weight, and of best quality, diamonds are worth more than platinum.
more valuable, most valuable
more valuable, most valuable
Of equal weight, gem-quality diamond is more valuable than silver.
Diamonds are more valuable than coal.
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By weight, a gem-stone quality diamond is more valuable than oil.
Diamonds and platinum are both valuable and expensive commodities. The worth of one compared to the other largely depends on the quality and color.
Yes, if it is pure natural sapphire it will be worth more than a diamond.
A diamond is more valuable than a zirconia, given that they are equal weight, cut, clarity and colour.
Because the round cut requires a higher quality of diamond in order to retain carat weight, these diamonds are generally more expensive than other cuts.
Understanding the water and diamond paradox is valuable because it helps explain why some things are more valuable than others, even though they may not be essential for survival.
The round diamond shape is the most popular shape and accounts for about 75% of all diamonds that are sold. The reason being that, due to the way it is cut, it maximizes brightness. The princess cut diamond has a square or rectangular shape and it’s the second most popular diamond shape after the round diamond. The reason why the princess cut is cheaper and more affordable than a round cut is due to the fact that the yield from the rough stone is 80-90%, whereas the round diamond yield is about 40%. The larger the yield is the more affordable the diamond is.
Every diamond is valued by its carat weight, its colour, its clarity and its cut. No one cut is 'better' or 'more valuable' than any other cut, because the cut is decided upon to show off the other characteristics of the stone, such as its colour or its clarity.
When all else is equal -- the finest colour, the best clarity and the quality of the cut: given an equal carat weight, diamond will always be more valuable than any other gemstone.