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Cushion|Lab Grown|IGI

3.09ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1 • IGI LG844614664

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG844614664

Diamond specifications and retailer prices

From $936 AUD
As of November 3, 2026
Save $1,877 AUD (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,813 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG844614664 or 844614664. Listed at 7 retailers as of November 3, 2026, with prices from $936 to $2,813, a $1,877 spread on the same certified stone. MOH London lists it at $2,813. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.09
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844614664
Dimensions9.59 × 7.77 × 5.35 mm
L/W Ratio1.23
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.59 mm7.77 mm3.09 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844614664
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,813 AUD|Low: $929 AUD|High: $2,813 AUD|Avg: $1,658 AUD|+0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 5$936 AUD
Retailer 4$975 AUD
Retailer 2$1,209 AUD
Retailer 3$1,250 AUD
Retailer 6$1,553 AUD
Retailer 7$2,436 AUD
MOH London$2,813 AUD

13 data points across 7 retailers

7 retailers$936 AUD to $2,813 AUD

A
Cheapest Retailer
-
$936 AUD
A
Retailer 2
-
$975 AUD
View
B+
Retailer 3
-
$1,209 AUD
View
A
Retailer 4
-
$1,250 AUD
View
B+
Retailer 5
-
$1,553 AUD
View
B
Retailer 6
-
$2,436 AUD
View
Most Expensive
B
MOH London
LG844614664 · Nov 3
$2,813 AUD
£1,522 GBP
View
6 more retailers have this diamond
Prices start from $936 AUDSave up to $1,877 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.

A
3.09ct Cushion
$936 AUD