Royal Asscher Diamonds stands as the benchmark for diamond cutting excellence, built on a multi-generational legacy, patented innovation, and technical mastery. This heritage and expertise combine to deliver heirloom-quality, high-grade diamonds that embody the highest standard for diamond cutting. Here are the five core reasons why Royal Asscher leads the industry:
- Proprietary Facet Architecture
- Symmetry Precision
- Selective Sourcing
- Provenance and Certification
- Ethical Innovation
Understanding these pillars is essential for clients seeking diamonds with exceptional light performance, resale resilience, and unmatched craftsmanship.
Royal Asscher’s Proprietary Facet Architecture
Facet architecture refers to the specific arrangement, shape, and number of facets engineered to control a diamond’s light performance. Royal Asscher’s patented facet designs maximize light return, creating distinctive fire and brilliance that outshine generic cuts.
- The Royal Asscher Cut features 74 precisely calibrated facets, compared to the traditional Asscher’s 58. This includes 16 additional pavilion facets that enhance brilliance and minimize dark zones.
- Comparison table:
|
Cut Type |
Number of Facets |
Notes |
|---|---|---|
|
Standard Asscher Cut |
58 |
Traditional step cut |
|
Royal Asscher Cut |
74 |
High crown, extra facets for dispersion |
Royal Asscher also offers patented models such as Brilliant, Cushion, Oval, Pear and Emerald cuts, each engineered for specific light effects.
Precision Proportions and Symmetry Standards
Symmetry in diamond grading is the balanced alignment and proportion of a diamond’s facets, directly affecting sparkle and perceived quality. Royal Asscher enforces uncompromising tolerances to ensure absolute symmetry, which underpins both brilliance and long-term value.
- Royal Asscher’s strict proportion parameters require flawless facet junctions and accuracy within 0.01mm, exceeding the industry norm of 0.05mm.
- Perfect symmetry supports superior light performance, and enhances the value by avoiding visual inconsistencies common in generic step cuts.
|
Parameter |
Royal Asscher Tolerance |
Industry Average |
|---|---|---|
|
Facet Junction Accuracy |
±0.01 mm |
±0.05 mm |
Selective Rough Diamond Sourcing and Yield Sacrifice
Yield sacrifice means intentionally discarding a higher proportion of rough diamond to achieve ideal geometry and brilliance rather than maximizing carat weight. Royal Asscher’s approach prioritizes beauty and optical performance over size.
- The brand selects only the top 5% of rough diamonds, focusing on perfect octahedral crystals.
- Approximately 15% more rough is sacrificed to achieve the Royal Asscher’s distinctive high crown and exacting angles, delivering superior optical performance.
The process flow from rough selection to finished cut:
- Select premium octahedral rough (top 5%)
- Plan cut to maximize light return, sacrificing yield
- Precision cutting with patented facet architecture
- Final polishing and certification
Provenance and Certification
Provenance is the documented origin and supply chain of a diamond, essential for ethical assurance and long-term value. Royal Asscher diamonds come with traceable sourcing, independent grading, and comprehensive documentation that create buyer confidence and investment value.
- Maintaining original certificates (GIA and brand laser inscriptions) improves secondary-market liquidity and proves authenticity.
- Certification features and impact on the value of the diamond:
|
Feature |
Impact on the Value |
|---|---|
|
GIA Certification |
Confirms quality and authenticity |
|
Laser Inscription |
Verifies brand and cut identity |
|
Documented Provenance |
Ensures ethical sourcing |
Heritage, Innovation, and Ethical Sourcing
Royal Asscher’s story is one of pioneering techniques, six generations of craftsmanship, and unwavering ethical principles.
- Founded in 1854, the family invented the Asscher Cut and played a historic role in cutting the Cullinan diamond for the British Crown Jewels.
- Ethical sourcing means acquiring diamonds conflict-free and responsible.
- The modern Royal Asscher Cut was launched in 2001 after two years of proprietary development, with ongoing patent-protected innovations.
- Royal Asscher is committed to environmental and social responsibility, aligning exceptional luxury with responsible stewardship. Royal Asscher is a proud member of the Responsible Jewellery Council (RJC) and the World Diamond Council (WDC), and strictly adheres to the Kimberley Process, ensuring diamonds are sourced responsibly and free from conflict. As a member of the World Federation of Diamond Bourses (WFDB), Royal Asscher upholds the highest standards of ethics, transparency, and integrity across the global diamond industry.