Quick answer
To choose a natural diamond, start with the 4Cs: cut, color, clarity and carat. Cut has the biggest effect on sparkle, so prioritize it, then balance color, clarity and size to suit your budget. Choose a shape you love, ask whether the stone comes with an independent grading report, and compare diamonds side by side in person before deciding.
The 4Cs
Cut
Cut describes how well a diamond’s facets are shaped, angled and proportioned. A well-cut diamond reflects light back to the eye, creating brightness and sparkle. Because cut affects appearance more than any other factor, it’s usually the best place to invest.
Color
Diamond color is graded on a scale from D (colorless) to Z (light yellow or brown). Differences between neighboring grades are often difficult to see without comparison. Colorless and near-colorless diamonds (roughly D to J) are popular choices, and the metal you choose can influence how warm or icy a stone appears.
Clarity
Most natural diamonds contain tiny internal features (inclusions) or surface marks (blemishes) formed as they grew. Clarity grades run from Flawless (FL) and Internally Flawless (IF) through VVS, VS and SI to Included (I). Many diamonds in the VS and SI ranges look clean to the naked eye.
Carat
Carat measures a diamond’s weight: one carat equals 0.2 grams, divided into 100 “points”. Carat is not the same as size. Two diamonds of equal weight can look different depending on their shape and cut.
Choosing a shape
Shape is a matter of personal style. Popular shapes include:
- Round brilliant: the classic choice, cut to maximize sparkle.
- Oval and pear: elongated shapes that can make a stone appear larger and fingers look longer.
- Princess and cushion: square or softly squared shapes with plenty of brilliance.
- Emerald: a rectangular step cut with a sleek, elegant look that shows clarity clearly.
- Marquise: a long, pointed shape with a distinctive, vintage feel.
Natural vs lab-grown diamonds
A natural diamond formed deep within the earth over an immense period of time and was then mined. A lab-grown diamond is created in a controlled environment. Both are made of carbon and share the same physical properties; the difference is their origin. Grading reports typically state whether a diamond is natural or laboratory-grown, so it’s always worth checking.
Grading reports
An independent grading report from a gemological laboratory describes a diamond’s characteristics, including its 4Cs, measurements and origin. When considering a significant diamond, ask whether it comes with a report and take time to read through it with your jeweler.
Choosing a setting and metal
- Solitaire: a single diamond that lets the stone take center stage.
- Halo: a circle of smaller diamonds around the center stone for extra sparkle.
- Three-stone and side-stone: additional diamonds along the band.
- Metal: yellow gold offers warmth, white gold and platinum a cooler look, and rose gold a soft blush. Diamond settings are commonly made in 18kt or 14kt gold, which hold stones securely.
Tips for buying with confidence
- Decide on a comfortable budget before you start.
- Prioritize cut, then balance color, clarity and carat.
- Look at diamonds in different lighting and compare several side by side.
- Ask about grading reports and how the piece should be cared for.
- For a ring, know the ring size if possible, or ask how sizing works.
Frequently asked questions
Which of the 4Cs is most important?
Cut is usually considered the most important because it has the greatest effect on a diamond’s sparkle and brightness. After cut, the right balance of color, clarity and carat depends on your preferences and budget.
What is the difference between a natural and a lab-grown diamond?
A natural diamond formed in the earth and was mined; a lab-grown diamond was created in a laboratory. Both are carbon with the same physical properties, but they have different origins, which grading reports typically identify.
Does a higher carat diamond always look bigger?
Not always. Carat measures weight, and how large a diamond looks also depends on its shape and cut. Elongated shapes such as oval and pear can appear larger than a round diamond of the same weight.
Where can I find natural diamond jewelry in Schaumburg?
Regal Jewels Schaumburg carries natural diamond jewelry, including rings, earrings, necklaces, bracelets and bridal pieces, at 885 E Schaumburg Rd, Schaumburg, IL 60193. Call 847-651-1505 or book a consultation.
