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Why choose Lab-Grown Diamonds?

Which color of diamond to buy for your diamond jewellery?

by Himani Yadav on Aug 08, 2025

 

Know your Diamond's Color

The diamond color scale is a grading system used to evaluate the color of a diamond. The scale ranges from D (colorless) to Z (light yellow or light brown). The color evaluation is based on the absence of color, with D being the most colorless and Z being the most yellow or brown.

GIA Diamond Color Scale

The Gemological Institute of America (GIA) is the most widely recognised authority on diamond grading. The GIA diamond color scale is used to grade diamonds from D (colorless) to Z (light yellow or light brown). Here is a breakdown of the GIA diamond color scale:

  • D: Absolutely colorless (Highest quality)

  • E–F: Colorless (Very high quality)

  • G–H: Near-colorless (Slight traces of warmth)

  • I–J: Faint yellow or brown tint

  • K–M: Very light yellow or brown tint

  • N–R: Light yellow or brown

  • S–Z: Noticeable yellow or brown (Lowest on standard scale)

It’s worth noting that the color of a diamond is not the same even though different platforms showcase a similar jewellery piece. These colors are hard to distinguish from a naked eye. And thus, we recommend asking your jeweler to give you all the details related to the diamond color and clarity before making a purchase 

Onya uses 100% VVS clarity D-E-F color lab-grown diamonds for all its jewellery. 
When comparing prices online for different jewellery. Always check to compare with same clarity, color and carat of diamond. 

Summary

A summary to always remember while purchasing any diamond jewellery:
D-E-F >> G-H-I-J >> K-L-M >> N-R-S-Z

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Why choose lab grown diamonds?

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