A Trade-Level Comparison
Natural or lab-grown. We supply both, with nothing to hide.
No sales pitch in either direction. Here's what the two supply tiers actually are, how they differ, and how our clients use them.
Side by side
Two supply tiers. Same mineral. Different jobs.
Attribute
Natural
Lab-Grown
Origin
Earth-formed over 1–3 billion years, mined and cut in the traditional supply chain.
Grown in a lab via HPHT (High Pressure High Temperature) or CVD (Chemical Vapour Deposition) in a matter of weeks.
Chemical composition
100% crystalline carbon.
100% crystalline carbon — identical to natural.
Optical properties
Refractive index 2.42, dispersion 0.044, hardness 10 on Mohs.
Refractive index 2.42, dispersion 0.044, hardness 10 on Mohs — identical to natural.
Certification
GIA, IGI, HRD. Reports detail 4Cs plus origin on signature stones.
IGI Lab Grown Report, GIA Laboratory-Grown Diamond Report. Always disclosed.
Wholesale price point
Higher. Anchored by scarcity, provenance, and decades of market behaviour.
Lower. Driven by production economics — the gap widens as lab capacity grows.
Resale & secondary market
Established. Stones retain meaningful secondary-market value.
Emerging. Secondary market exists but is not yet comparable to natural.
Typical use case
Fine and bridal jewelry, heritage pieces, investment-grade single stones.
Fashion-forward fine jewelry, pavé and eternity work, larger centre stones at accessible price points.
Supply at B Exclusive
Deep, multi-vendor, direct from Antwerp cutters.
Direct relationships with verified HPHT and CVD labs; full IGI certification.
Our view is simple: both supply tiers belong in a modern jewelry business. We help clients decide which one belongs in which product, and we disclose the difference at every step. If you’d like our recommendation on a specific program, open an inquiry and we’ll walk it through with you.
Request Access
Let’s open a private
trading channel.
Submit your credentials and a short brief — natural or lab-grown, shape, carat range, clarity, colour. Your account lead will reach out within one business day.