1.50 ct Emerald Lab Grown Diamond Split Cathedral Gold Ring

The Stone

The center stone is a 1.50 carat emerald-cut laboratory-grown diamond, independently graded as F-color (colorless) and VS1-clarity (eye-clean). The architectural hallmark of the emerald cut is its concentric step-cut facets, which create a distinct “hall-of-mirrors” optical effect rather than standard brilliant scintillation. This stone is held securely by four white-metal prongs, protecting the squared corners while allowing light to flood the pavilion. Every lab grown diamond center stone is laser-inscribed with a unique report number on the girdle, fully verifiable through official third-party certification databases before setting.

The Setting

Engineered for structural stability and maximum stone exposure, the ring employs a specialized four-prong double-claw setting. The prongs are crafted in white metal (platinum or white gold) to eliminate yellow color bleed into the colorless F-grade diamond body. A split-shoulder profile transitions smoothly into a traditional cathedral architecture, elevating the gallery while anchoring the head against lateral impact. The open-sided gallery structure features a low-profile under-bezel rail that maintains structural rigidity, ensuring the high-carat stone remains perfectly aligned without blocking profile light intake.

Metals and Finish

This piece is standard-set in 18K yellow gold (750 purity, containing 75% pure gold alloyed for warm color saturation and optimal structural integrity). The shank features a high-polish reflective finish, tapering precisely as it reaches the split-aperture transition at the shoulders. The interior of the band is smoothly contoured for active daily wear. The design is fully compatible with alternative metal compositions at checkout, including 14K yellow, white, or rose gold (585), high-durability 10K gold (417), and dense, hypoallergenic 950 Platinum for maximum prong security.

Customisation and Origin

Every order triggers an active manufacturing workflow tailored to your exact parameters. Within 24 hours of checkout on primiraluxury.com, our workshop team contacts you via WhatsApp and email to confirm your exact ring size, metal tier, and tone choices. The production window spans 15–35 business days from final specification confirmation to dispatch, ensuring precise dimensional calibration of the split-shoulder alignment. This low-profile setting configuration ensures the wide emerald facet table sits low enough against the finger to prevent catching, making it highly practical for daily wear without compromising its architectural profile. Crafted in Surat — the city that cuts 90% of the world’s diamonds — and shipped factory-direct.

TECHNICAL SPECIFICATIONS MATRIX