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Asscher|Lab Grown|IGI

1.53ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG618402370

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG618402370

Diamond specifications and retailer prices

From $535 CAD
$383 USD
As of October 30, 2026
Save $1,120 CAD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,856 CAD at MOH London · As of October 21, 2026
View at MOH London

About this 1.53ct lab-grown asscher diamond

This 1.53ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618402370 or 618402370. Listed at 4 retailers as of October 30, 2026, with a 209% 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

1.53
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618402370
Dimensions6.32 × 6.30 × 4.22 mm
L/W Ratio1.00
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
6.32 mm6.30 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618402370
Side View
Table 63.0%Crown 36.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 67.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,856 CAD|Low: $535 CAD|High: $1,868 CAD|Avg: $918 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3$535 CAD
Retailer 5$747 CAD
Retailer 4$853 CAD
Retailer 2$1,655 CAD
MOH London$1,856 CAD

36 data points across 5 retailers

4 retailers$535 CAD to $1,655 CAD

B+
Cheapest Retailer
-
$535 CAD
$383 USD
Retailer 2
-
$853 CAD
£481 GBP
View
Price last confirmed 8 days ago
B
Retailer 3
-
$1,655 CAD
$1,185 USD
View
Most Expensive
MOH London
LG618402370 · Oct 21
$1,856 CAD
£1,046 GBP
View
Price last confirmed 10 days ago
3 more retailers have this diamond
Prices start from $535 CADSave up to $1,120 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+
1.53ct Asscher
$535 CAD