Laboratory Verification

Independent diamond certification

Every lab-grown centre diamond selected by our atelier carries an individual grading report issued by the International Gemological Institute, verifying carat weight, color, clarity, and structural cut parameters.

Grading Criteria

The laboratory evaluation

Independent gemological assessment isolates the fundamental physical and optical characteristics of each cultured diamond through standardized scientific instrumentation.

Type IIa chemical purity

Microscopic laser inscription

Proportion and light performance

Representing fewer than two percent of diamonds, Type IIa crystals exhibit exceptional optical transparency devoid of measurable nitrogen impurities.

Each graded centre stone features a microscopic IGI report number inscribed along its girdle, confirming direct matching with official documentation.

Cut grading measures facet symmetry, polish, and pavilion angles to guarantee maximum optical fire, scintillation, and brilliance across daylight.

Atelier Specification

Centre stone certification scope

An independent IGI dossier documents the exact optical and physical specifications of the primary diamond. It does not encompass secondary melee accent stones or precious metal mountings.

Growth Chemistry

Synthesis methods and benchcraft

Chemical Vapour Deposition and High Pressure High Temperature processes replicate natural mantle conditions, yielding pure carbon lattices identical to geological stones in refractive index, dispersion, and hardness.

Once graded, each stone transitions to our goldsmiths. Precise CAD models match bezel tolerances to the certified stone's exact proportions before traditional bench setting in eighteen-karat gold or platinum.

Inspect sample diamond dossiers

Request verification records and high-resolution certificate scans for currently curated centre diamonds ahead of your private bespoke commission.