IGI Certified 1.58 CT Round Cut HPHT Lab-Grown Diamond - D Color, VS1 Clarity
1.58 Carat Round Lab Grown Diamond, VS1/D

1.58 Carat Round Lab Grown Diamond, VS1/D

926041101

Regular priceRs. 76,788.00
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IGI Certified Lab-Grown Diamond
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Frequently Asked Questions +
What is a round cut lab grown diamond? +
A round cut lab grown diamond is a perfectly circular diamond with a precise facet pattern designed to maximise light return and brilliance. It is created in a controlled laboratory using advanced technology, then cut and polished to the same standards as a mined round brilliant diamond.
Are round cut lab grown diamonds real diamonds? +
Yes. Round cut lab grown diamonds are 100% real diamonds. They have the same chemical composition, hardness, and optical performance as mined diamonds and are made of pure crystalline carbon. They are graded by the same international laboratories using the same criteria and scales.
Why is the round cut so popular for lab grown diamonds? +
The round brilliant cut is engineered to optimise light performance, giving exceptional brightness and fire when well cut. It is versatile, timeless, and works beautifully in almost any style, which is why many people choose round cut lab grown diamonds for engagement rings, stud earrings, and classic fine jewellery.
What should I focus on in the 4Cs for a round cut lab grown diamond? +
For round cut lab grown diamonds, cut quality is the most important factor because it directly affects brilliance and light return. After cut, consider colour, clarity, and carat weight according to your priorities and budget, aiming for a balanced combination that looks bright and refined in natural light.
Does cut grade really make a difference for round cut lab grown diamonds? +
Yes. Even with the same carat weight, a better cut grade can make a round cut lab grown diamond appear more lively and visually impressive. Well-aligned facets, ideal proportions, and symmetry allow more light to reflect internally and return through the top of the stone.
Do round cut lab grown diamonds look different from mined round diamonds? +
To the eye, a round cut lab grown diamond and a round cut mined diamond with similar specifications will look the same in terms of brightness, fire, and overall appearance. Gemological instruments and report inscriptions, not appearance alone, are used to identify whether a diamond is lab grown or mined.
Are round cut lab grown diamonds certified by IGI or GIA? +
Yes. Round cut lab grown diamonds are graded and certified by trusted laboratories such as IGI and GIA. Each certified stone comes with a detailed grading report outlining its cut, colour, clarity, carat weight, proportions, and growth method.
What is the ideal ratio for a round cut lab grown diamond? +
For round cut lab grown diamonds, the ideal length-to-width ratio is very close to 1.00, indicating a true circle. Small deviations are normal, but a ratio near 1.00 helps the diamond look balanced and symmetrical when viewed from the top.
Are round cut lab grown diamonds suitable for everyday wear? +
Yes. Lab grown diamonds, including round cut stones, rank 10 on the Mohs hardness scale, exactly like mined diamonds. This makes them highly durable and suitable for everyday wear in pieces such as engagement rings, bands, and daily jewellery that is worn often.
Do round cut lab grown diamonds offer better value compared to mined diamonds? +
In many cases, round cut lab grown diamonds allow you to choose a larger size or higher quality within the same budget compared to a comparable mined diamond. This value, combined with transparent sourcing and controlled origin, is why many modern buyers prefer lab grown options.

Discover the exquisite charm of this IGI Certified Round Cut Lab-Grown Diamond. Crafted with precision using the HPHT method, this diamond offers unparalleled brilliance and ethical luxury.

  • Type: HPHT (High Pressure High Temperature) Lab-Grown
  • Certification: IGI Certified for assured quality and authenticity
  • Shape: Round Cut – A classic shape known for its dazzling sparkle
  • Carat Weight: 1.58 ct. – A substantial size with striking presence
  • Color Grade: D – The highest color grade, providing a pure, colorless look
  • Clarity: VS1 – Very Slightly Included, with inclusions not visible to the naked eye
  • Cut: Ideal – Expertly crafted to maximize light performance and brilliance
  • Polish: Excellent – Superior finish that enhances light reflection and overall sparkle
  • Symmetry: Excellent – Precise alignment of facets for a perfect appearance
  • Measurements: 7.41 x 7.44 x 4.62 mm – Perfectly proportioned for optimal round cut aesthetics
  • Average Diameter/Ratio: 1.00 – Balanced ratio that ensures a harmonious look
  • Depth: 62.20% – Ideal depth for showcasing the diamond’s fire and brilliance
  • Table Percentage: 58.00% – Well-proportioned table size for optimal light performance
  • Shade: None – Pure, colorless diamond that highlights its natural brilliance

This lab-grown diamond is a stunning choice for those who value both beauty and ethical craftsmanship.


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