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Round Shaped Lab Grown Diamonds
If you wish to have this diamond set into a jewelry piece, please click View Setting to explore and select your preferred design.




***If purchased as a loose diamond, it will be delivered with its grading certificate.




The round brilliant cut features 57 to 58 facets, precisely proportioned to maximize light reflection and dispersion. Its perfect symmetry creates the iconic “Hearts and Arrows” (H&A) pattern, a hallmark of exceptional craftsmanship and optical precision.




Renowned for its ideal balance of fire, brilliance, and scintillation, the round brilliant cut stands as the benchmark in gem grading and fine jewelry design - where mathematical precision meets timeless beauty.




Images and videos are for reference only. The actual diamond may vary slightly, but its overall appearance and brilliance will be comparable to the display materials.




For custom specifications beyond the available options, please contact us for assistance.

Round Shaped Lab Grown Diamonds

PriceFrom HK$1,000.00
Quantity

  • Premium Grade (GIA)

    • Color Grade : D (Colorless)
    • Clarity Grade :  Perfectly eye clean
    • Brilliance : Bright, strong, and well-balanced
    • Decision Factors : Emphasis on quality and investment
    • Best For : Proposal, wedding, anniversary

    Standard Grade (IGI)

    • Color Grade : F or above (Slight tint of yellow or blue)
    • Clarity Grade :  Minor inclusions
    • Brilliance : Slightly weaker fire and balance
    • Decision Factors : Budget-oriented choice
    • Best For : Daily wear, small gifts 
根據 GIA 標準，不同克拉圓形鑽石的尺寸對照圖
Choosing the Right Carat
a Subtle Balance of Style and Proportion

Carat weight influences how a diamond looks and feels when worn.

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  • 0.5 ct (5mm diameter) Light and refined, ideal for daily wear, earrings, or minimalist designs.

  • 1 ct (6.5mm diameter) Classic choice with balanced presence, often used in engagement rings.

  • 1 ct above Bold and eye-catching, perfect for statement pieces and special occasions.

 

Jewelry type matters

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  • Rings - Choose a size that complements your hand and ring profile.

  • Earrings - Opt for smaller stones with strong brilliance for comfort and facial balance.

  • Necklaces - Match carat and chain length to neckline for visual harmony.

 

Selecting the right carat is about style, comfort, and lifestyle. Our experts are here to help you find your perfect fit.

Seal of Authority - Diamond Certification and Grading Explained

cert giaiai.jpg

GIA (Gemological Institute of America) stands at the pinnacle of credibility in diamond certification. Renowned for its uncompromising standards and precise grading, GIA ensures each diamond meets the highest level of quality. A GIA certificate is more than a report - it’s a mark of trust, excellence, and lasting value.

​IGI (International Gemological Institute) is a globally recognized diamond grading authority known for its efficient and flexible evaluation standards. It uniquely includes the 'Hearts and Arrows' cut in its reports, offering a more detailed view of craftsmanship. Widely accepted in the global market, IGI certificates provide both reliability and diverse options for consumers.

Diamond color grading ranges from D to Z, with D-F being colorless, and D being the most rare and pure. G-J are near-colorless, with faint undertones that still maintain brilliance in specific lighting. As the grade decreases, the color deepens, transitioning from light yellow to the noticeable yellow of Z. RAGAZZA exclusively selects the highest-grade D color diamonds, renowned for their flawless whiteness, which sparkle with exceptional brilliance in any light, perfectly embodying their rare and incomparable value.

cert clarity.jpg

Diamond clarity ranges from IF+ (internally flawless) to I (included), reflecting the presence of internal and surface imperfections. RAGAZZA’s IF+ diamonds are exceptionally rare, offering flawless brilliance. VVS and VS grades feature only minute inclusions, barely visible even under magnification. While SI and I grades may show visible inclusions, a well-balanced choice across the 4Cs ensures optimal beauty and value.

cert cut.jpg

Cut is the key to a diamond’s brilliance - precise angles allow light to reflect and refract perfectly, creating exceptional sparkle. Graded from Excellent to Poor, only Excellent cuts fully maximize brightness. In contrast, deep or shallow cuts cause light leakage, diminishing radiance. RAGAZZA selects diamonds of exceptional cut quality, ensuring optimal light performance and unmatched brilliance.

Natural Diamond VS Lab Grown
Natural diamonds showcase natural beauty and rarity, while lab grown diamonds offer affordability and functionality.

FAQs

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