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Ask for a Shallower Stone Diamond proportions are important for the overall brilliance of the stone, but sometimes selecting a shallower stone can help you get more bang for your buck. You might have two stones, both of these .50ct, but one of them has standard proportions and something of them is even more shallow. The shallower gemstone will have a wider desk and for that reason look bigger than it truly is. When investing in a diamond, your eye can be your companion. If the rock is too shallow, you will notice that it doesn't sparkle as much as another more appropriately proportioned diamond.