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Asscher|Lab Grown|IGI

1.31ct F SI1 Asscher Lab Grown Diamond

EX • F/SI1 • IGI LG668476922

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG668476922

Diamond specifications and retailer prices

From $705 CAD
As of November 6, 2026
Save $112 CAD (14%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $817 CAD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.31ct lab-grown asscher diamond

This 1.31ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668476922 or 668476922. Listed at 2 retailers as of November 5, 2026, with prices from $705 to $817, a $112 spread on the same certified stone. Diamond Quarter lists it at $817. 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

1.31
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668476922
Dimensions5.94 × 5.82 × 3.98 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.94 mm5.82 mm1.31 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668476922
Side View
Table 64.0%Crown 35.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 68.4%

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: Nov 6
Current: $705 CAD|Low: $691 CAD|High: $1,031 CAD|Avg: $804 CAD|-31.6%
September 23, 2026
Retailer 1$705 CAD

4 data points across 1 retailer

2 retailers$705 CAD to $817 CAD

B+
Cheapest Retailer
-
$705 CAD
Most Expensive
B+
Diamond Quarter
1.31SI1FLG22B191N · Nov 5
$817 CAD
£461 GBP
View
1 more retailer has this diamond
Prices start from $705 CADSave up to $112 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+
1.31ct Asscher
$705 CAD