Open-source pricing engine that reverse-engineers South African diamond pricing across manufacturer-direct, boutique, and chain retail tiers. Powers naturaldiamond.co.za/diamondscope.

Curated list of Rapaport-based diamond pricing methodology resources for jewellery buyers.

A curated list of South African natural-diamond resources: pricing tools, cutting houses, GIA verification, Rapaport methodology, jewellery education.

A practical 24-step pre-purchase checklist for natural-diamond buyers. GIA verification, supplier vetting, pricing comparison.