Crimson Crown: 4.39ct Cushion-Cut Lab-Grown Ruby Baguette & Round Mixed-Cut Halo Ring
There is a red that requires no decoration—only the purest, most radiant light. The Crimson Crown Haute Joaillerie Ring centers around a commanding large-carat lab-grown ruby, artfully combining a mixed-cut halo to capture fiery intensity and brilliant light at your fingertips.
✦ Center Stone: 4.39-Carat Fiery Cushion-Cut Ruby
Hand-selected as the soul of this piece, the magnificent 4.39-carat cushion-cut lab-grown ruby comes accompanied by an official IGI gemstone certificate (No. 553240393). The pillow-soft contour of the cushion cut gathers deep, intense color saturation, allowing light to bounce continuously within the stone for an explosive display of fiery crimson.
✦ Mixed-Cut Halo: Architectural Luxury with Baguettes & Rounds
Encircling the center ruby is an haute-couture Mixed-Cut Halo. Sleek Baguette-Cut diamonds anchor the four corners while brilliant Round White Diamonds line the edges, forming an octagonal frame rich in geometric beauty. The crisp geometry of the baguette cuts pairs with the lively scintillation of round diamonds, creating a striking contrast between icy-white diamond light and deep ruby red.
✦ Pavé Band: Continuous Brilliance
The 18K white gold band is pave-set with round white diamonds extending outward from the halo, ensuring multi-angle radiance. The cool silver-white finish of the setting further intensifies the ruby’s vibrant red hues.
Product Specifications
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Center Stone Weight: 4.39 Carats (Cushion Cut Lab-Grown Ruby)
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Center Stone Color: Deep, Fiery Crimson Red
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Halo Design: Octagonal Mixed-Cut Halo (Baguette Cut × Round Brilliant Diamonds)
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Band Design: Pavé-Set Diamond Band
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Metal: 18K White Gold
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Certification: IGI Gemstone Certificate (No. 553240393) | Piece Unique
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Occasions: Proposals, Weddings, Galas, Milestone Celebrations, High-Jewelry Collections
Showroom Experience & Services
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Bespoke Viewing: The vivid saturation of a 4.39-carat ruby paired with an architectural halo must be experienced in person. We warmly invite you to book a private 1-on-1 consultation at our DIABOND Tsim Sha Tsui boutique.
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Service Guarantee: Every ring purchase includes complimentary custom engraving, a one-time free resizing service, and lifetime professional jewelry cleaning and maintenance.



