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Using Quality Index to Help You Buy

The Quality index has been designed to make it easier for users to understand overall diamond quality and compare pieces. Quality index is adjusted for shape and size and therefore should be used to compare pieces of same shape and within a size range (ie 3.00ct-3.49ct). The 100% reference point is set at the best possible quality (ie. best color D, best clarity IF, best cut – excellent, etc). Buyers should filter for suitable diamonds based on their requirements (using basic and advance filters). On these filtered results, buyers should use the quality index to compare and contrast the suitable pieces. This information together with our recommendation and indicative prices should equip the buyer to make an intelligent and informed purchase.

 

How it works?

Quality Index takes into consideration all parameters that affect quality in diamonds, including some that are not covered by prevalent grading laboratories. All parameters are evaluated to give an accurate calculation of quality. The 100% reference point is a perfect piece of D IF quality. Quality Index is adjusted for shape and size. Quality index percentage do not change much over time as it is mostly based on overall buyer preferences however corresponding indicative prices change constantly as they are based on market forces (supply and demand, exchange rates, etc).

 

How to Use?

We suggest buyers to use Quality Index to compare overall quality of diamonds after they have filtered on diamonds they are willing to accept. On these narrowed search results, use the Quality Index to compare pieces and their prices to identify the best available piece objectively. For complete guidance, please refer to our guidance section.

 

Disclaimer:

Quality Index and corresponding Indicative prices are based on market experience and are indicative and may not be available for non-standard items (i.e fancy colored diamonds, extremely large /small sizes, and irregular/uncommon shapes).

 

 

 

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