Small -- less than one carat, poorly cut stones with visible inclusions, are not very valuable
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largest to smallest most valuable to least valuable oldest to youngest greatest to least
Yes, if it is pure natural sapphire it will be worth more than a diamond.
Not necessarily.A diamond is valued according to its cut -- round in this case, carat weight, colour and clarity.Larger stones, of course, will be more valuable than smaller stones.Larger more clear stones are usually cut in an emerald cut.Fancy coloured stones are cut to highlight not only the colour but whatever other valuable attribute exists in the stone.
Of equal weight, and of best quality, diamonds are worth more than platinum.
The most valuable stone is typically considered to be the diamond, followed by sapphire, ruby, emerald, and then semi-precious stones such as amethyst, citrine, and peridot. The value of a stone is determined by factors such as rarity, color, size, and clarity.
No.
Depends on the quality of the diamond in question.
Yes, if it is a gem-stone quality diamond.
Of equal weight, gem-quality diamond is more valuable than silver.
Diamonds are more valuable than coal.
Diamond
yes.
The suspect was believed to have a significant role in the mysterious disappearance of the valuable diamond necklace.
Diamond
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Brilliant. Valuable. Precious.