Quick and Easy Buying Guide
Carat weight: 1 carat = 200 milligrams = 6.5 mm diameter. Doubling weight doesn't double diameter.
Diamond clarity: FL/IF/VVS/VS = super expensive, near perfect. SI = best value if you can check a photo for obvious inclusions (defects).
Color: D-G = colorless, expensive, only if you have money to burn. H-J = best value. Can go lower in gold metal settings than white metal.
Cut: Better cut ratings let more light into a diamond, making it sparkle more. Very important property, don't skimp here.
Set a budget and minimum cut (Premium). Go J color for gold and I/H for white metals. Go searching for SI1/SI2 clarity diamonds at James Allen. Pick a diamond with small/no inclusions. Choose a ring setting and buy it risk-free (60-day returns).
0.86 Carat Diamonds
Diamonds that weigh 0.86 carats are typically 6.20 mm across their widest part.
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In looking at the 6.20 mm width of a 0.86 carat diamond, remember that this width can vary quite a bit depending on the depth of the diamond. The width of the diamond grows much more slowly than the carat weight of a diamond.
Because diamonds with the carat weight of one or two carats are very very popular, it's common for shops and online stores to raise the prices. You can save money by looking for diamonds which don't have the sizes.
One thing that surprised me when i bought an engagement ring, is how much bigger the diamond appeared on a female finger compared with when viewed alone. Not all gemstones have the same density, leading to an often confusing fact that when you look at a one carat diamond and a one carat ruby, apart from differences in cut they will probably appear different in size due to the difference in their density.
When we long for life without difficulties, remind us that oaks grow strong in contrary winds and diamonds are made under pressure. Peter Marshall .
Sometimes diamond searchers will switch to coloured diamonds in a quest to perhaps get a slightly larger stone, although coloured diamonds are not always cheaper than white diamonds. Huge coloured diamonds do exist, such as the red cross diamond, a 205 carat yellow diamond. People say the four cs for a reason - diamond carat size is just one of the four cs and the others are arguably just as important in determining how 'attractive' and 'good' a diamond is.