ROUND DIAMOND CUT VS OVAL DIAMOND CUT:
Round Diamond Cut
Advantages:
- Round diamonds tend to have fewer flaws, more clarity, and are more forgiving, as its multi-faceted cut and brilliant sparkle can easily hide minor flaws.
- There are lots to choose from in terms of sizes from small to big.
- Readily available research and information on the best cut dimensions, clarity and color options for rounds.
- Diamond cutters have identified the exact proportions that optimize the sparkle of a round diamond.
- The clean cuts of a round diamond leave no sharp edges to be chipped, broken or snagged on fabric.
- Round diamonds are versatile in terms of style–popularly seen in solitaire or in two or three stone rings.
Look for:
- Table width percentage between 54%-60%
- Depth percentage between 59%-63%
- Crown angle between 33%-35%
- Star length of 50%
- Girdle of 2.5%-4%
- Girdle thickness of thin to thick
Disadvantage:
Round diamonds tend to be more expensive as compared to fancy-cut shapes like princess and emerald, simply due to the fact that they’re in much higher demand.Oval Diamond Cut
It is important to consider the length to width ratio in an oval diamond to get the best shape and avoid bow ties. A perfectly symmetrical oval cut diamond should have a L/ W ratio of 1.30, while anything higher than 1.50 will yield a bow-tie.
Advantages:
- Perfect shape for round cut diamond’s sparkle and the pear cut diamond’s unique grace.
- Longer oval cut diamonds with flat shoulders are usually considered more elegant while more wider oval cut diamonds with rounded shoulders give less of a bow tie
Look for:
- Depth percentage of 58%-64%
- VS1 – SI1 mark for the best value
- Table size for ovals is 54%-63%
- F-G-H
- optimal oval ratio of length to width is 1.36 to 1.45