CaratHunter
Plans
Asscher|Lab Grown|IGI

1.51ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG508156793

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG508156793

Diamond specifications and retailer prices

From $532 CAD
As of November 6, 2026
Save $1,117 CAD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,834 CAD at MOH London · As of October 18, 2026
View at MOH London

About this 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156793 or 508156793. Listed at 4 retailers as of November 4, 2026, with a 210% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156793
Dimensions6.36 × 6.22 × 4.08 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.36 mm6.22 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156793
Side View
Table 58.0%Crown 22.2°Girdle: ThickPavilion 40°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,834 CAD|Low: $532 CAD|High: $1,846 CAD|Avg: $1,136 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$532 CAD
Retailer 5$742 CAD
Retailer 2$828 CAD
Retailer 3$1,649 CAD
MOH London$1,834 CAD

36 data points across 5 retailers

4 retailers$532 CAD to $1,649 CAD

B+
Cheapest Retailer
-
$532 CAD
B+
Retailer 2
-
$828 CAD
View
B
Retailer 3
-
$1,649 CAD
View
Most Expensive
MOH London
LG508156793 · Oct 18
$1,834 CAD
£1,034 GBP
View
Price last confirmed 19 days ago
3 more retailers have this diamond
Prices start from $532 CADSave up to $1,117 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.51ct Asscher
$532 CAD