Wholesale Asscher Lab-Grown Diamonds | Step-Cut Antwerp Stock
Asscher cut lab-grown diamonds in this collection come from the same Antwerp supply chain as the certified asscher inventory. The difference is documentation, not quality. By choosing not to commission individual IGI grading reports, trade buyers access identical cutting standards at meaningfully lower per-carat cost- typically approximately 20% below certified equivalents at the same 4Cs specification. For trade buyers who evaluate stones through visual inspection, supplier guarantees, and applications where individual certification is not commercially required, this inventory delivers strong value without compromise.
Sourcing and Specifications
LabGems sources non-certified asscher cuts through the same network of CVD and HPHT growth and cutting partners that supply the certified asscher inventory. Active Antwerp inventory typically includes asscher cuts from approximately 0.30ct through 3.00ct. Stones are evaluated in-house against the same 4Cs framework- colour, clarity, cut, and carat- with grading determined by experienced LabGems graders rather than third-party labs. Standard sizes ship within 1 business day; custom specifications ship within 7 business days. Full shipping details are available through Shipping & Delivery. A €500 minimum applies across all purchases.
The Commercial Logic for Asscher Specifically
Asscher cuts present an unusual commercial profile in non-certified sourcing. Step-cut faceting demands premium clarity selection regardless of certification- the open table amplifies inclusion visibility through parallel facet planes. Trade buyers are already performing visual clarity evaluation on every asscher stone they consider, certified or not. The IGI grading certificate becomes redundant verification for buyers already conducting face-up clarity inspection. This means the cost saving on non-certified asscher inventory transfers directly to margin without requiring a single change to the existing evaluation workflow. For solitaire engagement applications at premium retail tiers where consumers expect documentation, the certified asscher inventory remains the right product. For three-stone side stones, accent halo positions, prototype work, and any application where the asscher is not retailed as a documented solo solitaire, this inventory delivers the same stones at approximately 20% lower cost.
Step-Cut Clarity Selection
VS2 or better remains the practical floor for retail-grade asscher selection regardless of certification status. The square step-cut profile and large open table amplify inclusion visibility through parallel facet planes. Without IGI grading on individual stones, trade buyers should rely on supplier-provided clarity assessment and visual inspection through high-resolution imagery. LabGems grades non-certified inventory against the same standards used for certified stock, and the supplier evaluation accompanies every stone in the catalogue. SI clarity grades remain commercially viable for smaller carat weights and bezel-set applications where the table is partially obscured. The emerald cut applies similar step-cut clarity principles on a rectangular profile.
Symmetry and the Windmill Pattern
The asscher's defining visual signature- the windmill optical pattern formed by concentric step facets meeting at the cropped corners- depends on precise symmetry. Misaligned facets disrupt the windmill regardless of whether the stone carries an IGI report. Trade buyers should evaluate non-certified asscher cuts face-up under diffuse lighting, confirming the windmill reads cleanly. Polish quality affects the mirror-flash character of the step facets and should be visually verified during evaluation. The cropped corners should be examined for any chipping or abrasion from prior handling.
Selection Notes for Wholesale Asscher Cuts
- VS2 or better clarity for retail-grade applications; SI grades viable for accent and bezel positions
- Visual evaluation of windmill optical pattern is essential
- L:W ratio between 1.00 and 1.05 for true square presentation
- Examine cropped corners for existing chips before accepting stock
- Step-cut evaluation workflow is identical for certified and non-certified- buyers gain pricing advantage without workflow change
Frequently Asked Questions (FAQs)
LabGems' in-house grading provides full 4Cs assessment plus high-resolution imagery. Focus on clarity (VS2+), symmetry (windmill pattern), and corner condition. Face-up imagery under diffuse lighting is the most reliable evaluation method.
Wholesale pricing runs approximately 20% lower per stone at equivalent 4Cs specifications. The differential reflects saved IGI grading costs, not quality compromise.
Yes. Non-certified stones can be sent for IGI grading at standard lab rates. Grading cost adds to per-stone price, with turnaround approximately 8 business days plus shipping.
€500 combined minimum applies. Wholesale asscher cuts can be combined with certified inventory, single round melee, and other shapes to meet this minimum.
Yes. All wholesale inventory is covered by LabGems' standard quality guarantee covering grading accuracy and stone integrity. Contact LabGems for full guarantee terms.

