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Asscher|Lab Grown|IGI

1.51ct G SI1 Asscher Lab Grown Diamond

ID • G/SI1 • IGI LG579369715

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG579369715

Diamond specifications and retailer prices

From $1,279 CAD
£721 GBP
As of October 31, 2026
Save $370 CAD (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,648 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579369715 or 579369715. Listed at 2 retailers as of October 30, 2026, with prices from $1,279 to $1,648, a $370 spread on the same certified stone. Brilliant Earth lists it at $1,648. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579369715
Dimensions6.32 × 6.30 × 4.12 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.32 mm6.30 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579369715
Side View
Table 64.0%Crown 34.3°Girdle: MediumPavilion 37.2°Culet: NoneDepth 65.4%

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 31
Current: $1,648 CAD|Low: $575 CAD|High: $2,109 CAD|Avg: $1,161 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
March 18, 2026
Retailer 5$575 CAD
Retailer 2$850 CAD
Retailer 4$1,029 CAD
Retailer 6$1,280 CAD
Brilliant Earth$1,648 CAD
Retailer 3$2,109 CAD

25 data points across 6 retailers

2 retailers$1,279 CAD to $1,648 CAD

B+
Cheapest Retailer
-
$1,279 CAD
£721 GBP
Most Expensive
B
Brilliant Earth
7409375Y · Oct 30
$1,648 CAD
$1,180 USD
View
1 more retailer has this diamond
Prices start from $1,279 CADSave up to $370 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
$1,279 CAD