What rock is more valuable than a diamond?

What costs more than diamond?

Generally, the cost per carat (or weight of a gemstone) is based upon a stone’s rarity; the rarer the stone, the more expensive. Therefore, rubies, emeralds and sapphires are much rarer and, in turn, far more expensive than diamonds.

What is the strongest stone besides diamond?

Sapphire and its sister, Ruby, are the hardest non-diamond gems available at a 9/10 on the Mohs Hardness Scale. Members of the gem family Corundum, red gems are Ruby, and all the other rainbow colors are Sapphire.

Is Ruby rarer than diamond?

Gem-quality rubies are significantly rarer than diamonds, though there are certain types of diamonds that are very rare too. If we weigh the most spectacular examples of rubies and diamonds against one another, diamonds that show color are even rarer.

What gem is better than a diamond?

Quartz. As one of the most common gemstone minerals, quartz or rock crystal makes a very affordable diamond alternative. While its beauty will never rival that of a well-cut diamond, some lapidaries can polish a quartz so that it looks better than a mediocre diamond.

What is more rare than a emerald?

Diamond, Ruby, Sapphire and Emerald are considered precious stones while the other stones fall in the category of semi-precious ones. Although Diamonds are rare, but Ruby, Sapphire and Emerald are rarer, which makes them more exquisite and treasured stones.

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What is the only mineral that can scratch a diamond?

Diamond is the hardest mineral; no other mineral can scratch a diamond. Quartz is a 7. It can be scratched by topaz, corundum, and diamond.

What is moissanite vs diamond?

Moissanite is a near-colorless gemstone that’s composed of silicon carbide. … Although they look similar at first glance, moissanite is very different from a diamond. Diamonds are made of carbon, whereas moissanites are made of pure silicon carbide — an extremely rare, naturally-occurring mineral.