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).

$11850 Gets One This 1.50 Carat G Color SI1 Clarity Premium Cut Round Cut Diamond

This stone has high quality properties - a color rating of G, coupled with an occasionally dodgy SI1 clarity grading - this means you need to check the clarity yourself in the photo.

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Shape: Round

Carat weight: 1.5

Cut: Premium

Color: G

Clarity: SI1

Price: $11850

Certificate: GIA

Depth: 62.5%

Table: 59.0%

Polish: Very Good

Symmetry: Very Good

Girdle: Slightly thick to thick, faceted

Culet: None

Fluorescence: None

Measurements: 7.18*7.21*4.50

Item number: 1190948

Click here to search for other diamonds at James Allen.

A G color diamond such as this one is a great compromise between extreme white pureness and budgetary considerations. If you've got some dollars to spend but don't wish to splurge unnecessarily, this is a great color range to look in. If you are looking at this diamond and thinking to yourself that you want to improve other characteristics of the diamond which don't affect size, think about downgrading the 1.50 carat weight of this diamond. Take note of this diamond's girdle characteristic - "Slightly thick to thick, faceted" - if you're unsure about girdles, go have a read of my girdle thickness article. The cut rating of this diamond (Premium) has it right in the middle of the road between cut quality and cheapness of diamond.

Throwing $11850 on a stone nets one a diamond well above the cut, such as this diamond. A tip: sanity check that you're happy spending the money. The SI clarity range (which this SI1 clarity diamond is included in) is the happy hunting ground for diamond bargain hunters. Try and find a diamond that is "clean" to the naked eye, either by examining the diamond in the flesh, or by looking at an online enlarged photo of the diamond.

There are three things extremely hard: steel, a diamond, and to know one's self. Benjamin Franklin .