6. Grade Estimation  Grade estimation (including  See Mineral Resource. Generally not applied.  geostatistical) and interpolation techniques applied. Adjustments made to diamond  size/weight distribution for sample plant performance and performance on a commercial scale. Accreditation of valuer and date of See Mineral Resource. 7. Value (Price)   Generally not applied.  valuation. Estimation Details of parcel(s) sorted and valued,  number of stones, carats, and size/weight distribution using a standard progression of sieve sizes for each identified facies, geological unit or domain. Value per sieve size.  Estimation (models) of value with  size. Assessment of diamond damage (insignificant, moderate, severe). Value with change in bottom cut-off  size.  Estimate of the uncertainty in the value estimate due to parcel size and comment on the spatial representivity of the valuation parcel. Clarification as to whether a strict  bottom cut-off been applied or does the modeled value include incidental diamonds below the bottom cut-off? Accredited process audit. See Mineral Resource. 8. Security and Integrity   of custody.  Whether samples were sealed  Site security.  excavation. Valuer location, escort, delivery,  cleaning losses, reconciliation with
6. Grade Estimation  Generally not applied.  Grade estimation (including geostatistical) and interpolation techniques applied.  Adjustments made to diamond size/weight distribution for sample plant performance and performance on a commercial scale.  See Mineral Resource. 7. Value (Price) Estimation  Generally not applied.  Accreditation of valuer and date of valuation.  Details of parcel(s) sorted and valued, number of stones, carats, and size/weight distribution using a standard progression of sieve sizes for each identified facies, geological unit or domain.  Value per sieve size.  Estimation (models) of value with size. Assessment of diamond damage (insignificant, moderate, severe).  Value with change in bottom cut-off size.  Estimate of the uncertainty in the value estimate due to parcel size and comment on the spatial representivity of the valuation parcel.  Clarification as to whether a strict bottom cut-off been applied or does the modeled value include incidental diamonds below the bottom cut-off?  See Mineral Resource. 8. Security and Integrity  of custody.  Site security.  Accredited process audit.  Whether samples were sealed excavation.  Valuer location, escort, delivery, cleaning losses, reconciliation with  See Mineral Resource.
SME_Guide_20Aug2017.docx