Is a SI1 Marquise Diamond Eye-Clean?

Explore whether an SI1 marquise diamond can be considered eye-clean, including factors that influence clarity and tips for buyers.

Eye-Clean Verdict: SI1 Marquise

Sometimes
60–70%eye-clean

Key Factors

  • Elongated shapes can magnify inclusions, especially near the narrow tips
  • SI1 inclusions are more visible in shapes with less light dispersion
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Lumi's Take

You're rolling the dice a bit here — only 60–70% of SI1s in this shape will be truly eye-clean. It's still worth trying (the savings are real), but be prepared to look at several stones before finding the right one. Absolutely do not buy blind.

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Introduction

When shopping for diamonds, clarity is one of the critical factors to consider. The SI1 (Slightly Included 1) grade is often a popular choice for many buyers looking for a balance between quality and affordability. In this guide, we will explore whether a SI1 marquise diamond is eye-clean and what factors you should consider when assessing clarity.

Understanding SI1 Clarity

  • Definition: SI1 diamonds have inclusions that are visible under 10x magnification but may not be easily seen with the naked eye.
  • Inclusions: These may include small crystals, clouds, or feathers that can affect the overall appearance of the diamond.
  • Impact on Beauty: The positioning and size of inclusions play a significant role in whether a diamond appears eye-clean.

Marquise Cut Characteristics

  • Shape and Faceting: The marquise cut is elongated with pointed ends, which can either enhance or hide inclusions depending on their placement.
  • Light Performance: Marquise diamonds have a unique sparkle due to their cut, which can sometimes mask the visibility of inclusions.
  • Considerations: The cut quality can significantly affect how eye-clean the diamond appears.

Is a SI1 Marquise Diamond Eye-Clean?

  • General Consensus: Many SI1 marquise diamonds can be eye-clean, but this is not guaranteed.
  • Factors to Evaluate:
    • Location of Inclusions: Inclusions near the center may be more noticeable than those toward the edges.
    • Lighting Conditions: Different lighting can reveal or hide inclusions; viewing in natural light is recommended.
    • Personal Sensitivity: Some individuals may notice inclusions more than others; personal inspection is crucial.

Pros and Cons of Choosing SI1 Marquise Diamonds

  • Pros:
    • Affordability: SI1 diamonds are generally more budget-friendly compared to higher clarity grades.
    • Appearance: Many SI1 marquise diamonds can look stunning and brilliant if selected carefully.
  • Cons:
    • Potential Inclusions: There is a risk of noticeable inclusions, especially if not chosen wisely.
    • Resale Value: Lower clarity grades may not hold value as well as higher grades.

Tips for Buyers

  • Always View the Diamond: If possible, see the diamond in person or request high-quality images and videos to assess clarity.
  • Ask About Inclusions: Get detailed reports from gemological labs and inquire about the location and nature of inclusions.
  • Consider Your Tolerance: If you're sensitive to inclusions, it may be worth investing in a higher clarity grade.

Final Advice

In conclusion, while many SI1 marquise diamonds can be eye-clean, it ultimately depends on individual characteristics such as the location of inclusions and the diamond's cut. Always prioritize personal inspection and professional guidance to ensure you make an informed purchase.

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GET YOUR SPECS.

Take the 60-second quiz to get a personalized spec cheat sheet before you buy.

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