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4-Prong Oval-Cut Lab-Grown Sapphire Ring (3.50 ctw) | Sapphire Ring
Options & Details
 

     
 
  • Metal : 18K Gold / PT950 Platinum, ideal for daily wear and milestones. (Contact us for PT950 Platinum). S925 Sterling Silver, perfect for gifting, requires regular maintenance. Click Here to compare precious metals.
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  • Ring Size : Click Here to measure your ring size. For 18K/PT950 large sizes (Women’s HK18 / Men’s HK22 and above), a metal surcharge applies. Please inquire for the exact amount before ordering.
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  • Engraving : Supports alphanumeric characters and common symbols, up to 20 characters.
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Gemstone Information
 

     
 
  • Main Stone :
    Type : Lab-Grown Sapphire
    Weight : 2.90 ct
    Shape : Oval
    Color : Royal Blue
    Clarity : Eye Clean
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  • Side Stones :
    Type : Lab-Grown Diamond
    Total Weight : Approx. 0.60 ctw
    Color : Colorless (DEF)
    Clarity : VS or above
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Crafted in high-quality 18K gold with a luxurious luster, this exquisite oval-cut lab-grown sapphire ring is perfect for any occasion. The centerpiece features a stunning 2.90 ct royal blue sapphire that radiates a breathtaking glow, guaranteed to capture every eye. Whether as a personal indulgence or a thoughtful gift, this ring reflects exceptional taste and quality, adding an extraordinary charm to both daily ensembles and formal looks.
 

Style Code. 600497

4-Prong Oval-Cut Lab-Grown Sapphire Ring (3.50 ctw) | Sapphire Ring

From HK$6,500.00Sale Price
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    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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