Characteristics of D, E, F Colored Diamonds
Key Takeaways
- Near Colorless (I) and Faint Yellow (K, M) diamond grades are color classifications within the GIA scale. The primary difference lies in a gradually increasing yellow tint: I color is a barely...
Near Colorless (I) and Faint Yellow (K, M) diamond grades are color classifications within the GIA scale. The primary difference lies in a gradually increasing yellow tint: I color is a barely perceptible warm white, K color starts to show a slight yellow hue, and M color has a more distinct light yellow tone.
This article provides a detailed look at the technical specifications, dispersion capabilities, and budget-friendly advice for each of these diamond color grades.
Characteristics of I, K, and M Color Diamonds
Characteristics of I Color Diamonds – What is an I Color Diamond?
I color diamonds are the third grade within the Near Colorless category, possessing a pure bright white beauty when viewed directly. This is an ideal "stopping point" for those who want a diamond that still looks white but at a significantly lower cost than D, E, or F colors.
- Reflectivity: I color diamonds retain excellent brilliance and fire if they have an Excellent cut.
- Identification: The yellow tint is very difficult to perceive with the naked eye when set in jewelry, especially in white gold or platinum settings.
- Application: Often chosen for wedding rings and engagement rings due to the balance between class and cost.
See also: What is the Current Price of a 10.8mm Diamond?
Characteristics of K Color Diamonds – What is a K Color Diamond?
K color diamonds fall into the Faint Yellow color group, exhibiting a warm yellow hue that can be detected upon close inspection or when placed on a white background. This is a highly economical choice for those who appreciate a classic color tone.
- Color Characteristics: The yellow tint of K color diamonds imparts a warm feeling. When combined with a yellow gold setting, this yellow hue becomes an advantage, creating a harmonious and luxurious look.
- Light Dispersion: Despite the yellow tint, the light dispersion capabilities remain very strong if the diamond has good clarity.
- Value: Approximately 15% - 20% lower than I color, allowing for maximum budget optimization for buyers.
Characteristics of M Color Diamonds – What is an M Color Diamond?
M color diamonds are at the final grade of the Faint Yellow category, possessing the most distinct light yellow tone among the three types being considered. An M color diamond no longer has a transparent white appearance but leans towards the uniqueness of natural color.
- Color: The yellow tone is evident even when viewed from the top.
- Style: Suitable for Vintage-inspired jewelry or for those who appreciate the beauty of "Champagne Diamonds."
- Segment: Aimed at customers who prioritize a larger carat weight with the most budget-friendly price.

I, K, M Color Diamonds
Reference Price List for I, K, M Color Diamonds (Updated 2026)
The prices below are for a Round diamond, 1 Carat in weight, VS2 clarity (very slightly included), and Excellent cut, to provide an objective view of the price difference between color grades.
| Color Grade | Reference Price (VND) |
| D Color (Standard) | ~180,000,000 - 220,000,000 |
| I Color | ~110,000,000 - 130,000,000 |
| K Color | ~75,000,000 - 90,000,000 |
| M Color | ~50,000,000 - 65,000,000 |
Note: The price list is for reference as of April 20, 2026. Diamond prices may increase significantly in the future if supply becomes scarce.
So, Which Should You Choose: I, K, or M Color Diamonds?
The choice between I, K, or M color diamonds depends on various factors, such as budget, personal preference, and intended use.
If you are particularly concerned with the purity and brilliance of the diamond, then an I color diamond may be a suitable choice. However, its value may be higher compared to other diamond grades.
K Color Diamonds have a transparent white color and are known for their superior light dispersion. This creates a dazzling and sparkling beauty in diamonds. If you prefer characteristic sparkle and brilliance at an affordable cost, then K Color Diamond is an attractive option. M Color Diamonds can offer personalization and a unique style. However, with a more pronounced yellow hue than I and K colors, M color diamonds are suitable for customers with a more limited budget.

I, K, M Color Diamonds are Cost-Optimized Choices
See also: How Are Diamond Units Measured and Calculated?
Trusted Diamond Retailer
Jemmia Diamond is a leading reputable retailer authorized by the Gemological Institute of America (GIA) for the official import and distribution of diamonds in Vietnam.
- Transparent Legality: 100% officially imported diamonds, complete with invoices and international GIA certificates.
- Absolute Quality: Selects only the top 2% of the world's most beautiful diamonds, committed to not using diamonds with flaws that affect durability and structure.
- Advanced Technology: Pioneering the use of GIA equipment (iD100, Match iD...) for origin and quality control.
- Optimal Policies: Transparent pricing with the most attractive buyback and exchange policies on the market.

Trusted and Quality Retailer
Each diamond color grade possesses its own unique beauty. While I color offers elegance, K color represents warmth, and M color is a statement of personal style and smart savings. Visit reputable retailers like Jemmia Diamond to experience and compare them firsthand under true lighting conditions.