Divine Solitaires Price Index


wealthymatters.comEver since http://www.diaprices.in stopped publishing prices in the old format I mentioned before and switched to the current one with no details of smaller stones and better colour grades I have found the price list here of more use to figure out what sort of deals I am being offered on my diamonds.Hope you find it useful too.

More About Diamond Shapes


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The round cut diamond is the most popular diamond shape, representing approximately 75% of all diamonds sold. Due to the mechanics of its shape, the round diamond is generally superior to fancy diamond shapes at the proper reflection of light, maximizing potential brightness.

Virtually all round diamonds are brilliant-cut, meaning they have 58 facets (57 when there is no culet).

Round diamonds cost more on a per carat basis than fancy shapes for two reasons; the demand for round diamonds is very high, and the yield is relatively low. Because more of the rough stone is lost in the cutting of a round diamond, the cost of each carat retained is higher. A typical round diamond (for example; a 1.00 carat, F-colour, VS2-clarity, Ex cut) may cost 25-35% more than a similar fancy shape.

The colour chart below provides a general guide for evaluating color in round diamonds. Read more of this post

Historical Diamond Price Trend Chart


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Diamond Colour Chart


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Except in the case of fancy diamonds,where vivid colours are preferred,the most prized diamonds are colourless and grading a diamond optimistically is a fine way to improve margins.I use the chart above to judge colour. Ideally diamonds should be colour graded before setting them because the metal colour is taken up by the set stones.A good workaround to the problem is to wear a diamond of the grade you wish to purchase set in the metal of choice and compare with the gemstones in the piece you wish to buy.This way the effect of different colour lights can be controlled too.Slightly yellowish stones might not show on yellow gold but why pay more for them?

Diamond Size Chart


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Here is a chart I find useful to get a general idea of the weight of diamonds set in a piece of jewellery.I use it to roughly estimate the price of the diamonds in a piece I am thinking of buying.Most jewellers merely give a gross figure of diamond weight not the weight of individual gemstones.The price of a carat of diamonds varies greatly depending on the size of individual stones.So being able to estimate sizes gives you a good chance to bargain.After all if  diamonds are to be treated as assets we need to be sensible about the price we pay for them.Hope you fund this chart useful too.