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Cushion|Lab Grown|IGI

2.09ct K SI1 Cushion Lab Grown Diamond

ID • K/SI1 • IGI LG445039137

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG445039137

Diamond specifications and retailer prices

From $4,050 AUD
As of November 6, 2026
Save $4,426 AUD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,477 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 2.09ct lab-grown cushion diamond

This 2.09ct lab-grown cushion sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445039137 or 445039137. Listed at 5 retailers as of November 5, 2026, with prices from $4,050 to $8,477, a $4,426 spread on the same certified stone. MOH London lists it at $8,477. 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

2.09
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039137
Dimensions7.81 × 7.42 × 4.90 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Top View
7.81 mm7.42 mm2.09 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039137
Side View
Table 59.0%Crown 38.2°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 66.0%

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: Nov 6
Current: $8,477 AUD|Low: $2,976 AUD|High: $8,613 AUD|Avg: $4,918 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$2,976 AUD
Retailer 6$3,988 AUD
Retailer 2$4,050 AUD
Retailer 4$4,669 AUD
Retailer 3$4,672 AUD
MOH London$8,477 AUD

30 data points across 6 retailers

5 retailers$4,050 AUD to $8,477 AUD

Retailer 1
-
$2,976 AUD
Price last confirmed 25 days ago
B+
Retailer 2
-
$4,050 AUD
View
B
Retailer 3
-
$4,669 AUD
View
B+
Retailer 4
-
$4,672 AUD
View
Most Expensive
B
MOH London
LG445039137 · Nov 5
$8,477 AUD
£4,586 GBP
View
4 more retailers have this diamond
Prices start from $4,050 AUDSave up to $4,426 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+
2.09ct Cushion
$4,050 AUD