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Maris Oval Blue Lab Diamond Floral Halo Ring — product photo 1 of 6
Maris Oval Blue Lab Diamond Floral Halo Ring — product photo 2 of 6
Maris Oval Blue Lab Diamond Floral Halo Ring — product photo 3 of 6
Maris Oval Blue Lab Diamond Floral Halo Ring — product photo 4 of 6
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Gemstones

Maris Oval Blue Lab Diamond Floral Halo Ring

$2,820

The Lucent can be customized with a different oval lab-grown diamond size or specification. For personal stone selection or CAD adjustments, start from our custom jewelry service . Its oval center stone, hidden halo, cathedral setting, and pave band are designed for a refined lab-grown diamond engagement ring style with everyday wear in mind. Available metal options may vary by order. Each stone is a laboratory-grown diamond, chemically, physically and optically identical to a mined diamond, selected for brightness and well-matched colour. The ring is handcrafted to order in solid gold by our partner atelier, then hand-polished and inspected before it leaves the workshop. Metal colour, size and stone details can be tailored on request before production. Every Riakoob piece arrives with a certificate of authenticity, insured delivery, and our 12-month value promise.

Diamond origin
Laboratory-grown
Strict quality control (qc)
Before dispatch, your custom-crafted ring undergoes rigorous multi-point inspection under gemological microscopes to verify prong security, setting alignment, and surface finishing.
Global insured shipping
We ship worldwide using premium express couriers (such as FedEx or DHL). Every parcel is fully insured for its replacement value and requires a mandatory adult signature upon arrival.
Delivery timeline
Because each piece is custom-forged to order by our artisans, production typically takes 1-2 weeks followed 1-2 weeks for express global delivery. Your dream ring will be on your finger in approximately 3-4 weeks.
Center stone sizes
Made-to-order and fully customizable from 1 carat up to 10+ carats to fit your preference and budget.
Premium metals
Select from 14K White/Yellow/Rose Gold, 18K White/Yellow/Rose Gold, or Platinum (PT950).
Bespoke consultation
Ready to select your perfect diamond? Click “Chat via WhatsApp” to speak directly with our concierge team for custom CAD adjustments and real-time stone selection.
Custom-cut stones
2 business days for production, plus 1-2 weeks for international delivery.
100% real diamonds
Cultivated using cutting-edge technology that mirrors the earth’s natural creation, lab-grown diamonds share the exact same physical, chemical, and optical properties as mined diamonds. They are real diamonds, down to the atom.
Unparalleled value
By eliminating heavy mining supply chains, lab diamonds offer up to 70% better pricing. This allows you to invest your budget into spectacular carat sizes, pure colors, and exceptional clarity grades that would otherwise be out of reach.
Certificate
Certificate of authenticity included
Production
Made to order; timing confirmed after purchase
  • ◆ Certificate of authenticity
  • ◆ Fully insured delivery
  • ◆ 12-month value promise — or your money back
  • ◆ White-glove delivery & installation
Ethical lab-created diamonds: sourcing & buying guide →