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<p>[QUOTE=&quot;Bronwen, post: 881576, member: 5833&quot;]When it comes to the Cs, cut, color, clarity, carats, a natural stone that scores high on those last 3 is a much greater rarity than one grown in a lab &amp;, as jivvy notes, De Beers has done an extremely good job of convincing us their stone are worth astronomical prices, deliberately holding them off the market to increase impression of rarity, etc.&nbsp; A diamond will scratch anything, but, because they have good &#039;cleavage&#039; the very property that allows them to be faceted so beautifully, they are also rather fragile &amp; chip readily, making them lousy ring stones.&nbsp; There are other stones, including cubic zirconia, that have a higher refractive index, giving them more flash &amp; fire than diamond.[/QUOTE]</p><p><br /></p>

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