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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 $735 AUD
As of November 6, 2026
Save $117 AUD (14%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $852 AUD 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 $735 to $852, a $117 spread on the same certified stone. Diamond Quarter lists it at $852. 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
Colour
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

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $735 AUD|Low: $720 AUD|High: $1,074 AUD|Avg: $838 AUD|-31.6%
September 23, 2026
Retailer 1$735 AUD

4 data points across 1 retailer

2 retailers$735 AUD to $852 AUD

B+
Cheapest Retailer
-
$735 AUD
Most Expensive
B+
Diamond Quarter
1.31SI1FLG22B191N · Nov 5
$852 AUD
£461 GBP
View
1 more retailer has this diamond
Prices start from $735 AUDSave up to $117 AUD

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
$735 AUD