GRADING  SERVICE  FEES

D-to-Z Diamond Services

IDR include testing to determine whether material is a diamond, and whether it is natural or synthetic. All diamonds are tested for laser drilling, fracture filling and color treatments. Grading and laser inscription services are performed on loose diamonds only. Custom laser inscription available at an additional charge.
​Effective March 15, 2019
Weight (carats)
​Fee
0.15 to 0.22
$65
0.23 to 0.46
$70
​0.47 to 0.69
$85
0.70 to 0.99
$90
​1.00 to 1.49
$120
​1.50 to 1.99
$145
2.00 to 2.99
$185
3.00 to 3.99
$270
4.00 to 4.99
$350
5.00 to 5.99
$495
6.00 to 7.99
$575
8.00 to 9.99
$685
10.00 to 11.99
$945
​12.00 to 14.99
$1,090
15.00 to 19.99
$1,330
20.00 to 24.99
$1,730
25.00 to 29.99
$2,020
30.00 to 39.99
​$2,465
40.00 to 49.99
$​2,870
50.00 and above
Available upon written request
Follow-Up Services
IDR Follow-Up Services verify, re-evaluate or update results from your original IDR report. The original report must accompany requests for rechecks, final observations and verification services.

RECHECK AND FINAL OBSERVATION

Request a reassessment of your diamond's grading results. Service must be requested before the item is returned. ​Final Observation service only available for Diamond Reports.
Service
Fee
Color, Clarity, Cut or Color Origin
​50% of applicable report fee
Polish, Symmetry, Measurement, Fluorescence
​25% of applicable report fee

REPORT VERIFICATION

Confirm that your IDR report matches your diamond. Laser inscription not available with service. Diamond can be loose or mounted.
Service
Fee
Letter accompanying original report
​50% of applicable report fee