Yes, if it is pure natural sapphire it will be worth more than a diamond.
Stone for stone, a diamond will cost more than a sapphire.
Of equal weight, and of best quality, diamonds are worth more than platinum.
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.
Small -- less than one carat, poorly cut stones with visible inclusions, are not very valuable
A human life, for example, has more worth than a diamond.
Stone for stone, a diamond will cost more than a sapphire.
Diamonds are more valuable than coal.
Diamond is much harder than Sapphire. also the Diamond will be more sparkly.
Of equal weight, gem-quality diamond is more valuable than silver.
A natural diamond will always be more valuable than a lab-created diamond, given the same clarity, colour, carat weight and cut of the two comparables.
Diamond and Uranium
No, but Iridium is more valuable.
By weight, a gem-stone quality diamond is more valuable than oil.
A diamond is more valuable than a zirconia, given that they are equal weight, cut, clarity and colour.
Because there is less of them than gold and they are harder to mine.
Diamond is more valuable than graphite because of it's rarity, hardness, and aesthetics when cut.
diamond is alot harder than goldAnother AnswerBy weight, gem-quality diamonds are more valuable than gold. By weight, gold is more valuable than industrial diamonds. Only about 20% of all diamonds mined are gem-quality.