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Cushion|Lab Grown|IGI

2.79ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG842609045

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG842609045

Diamond specifications and retailer prices

From $4,064 AUD
$2,855 USD
As of October 26, 2026
Save $14,862 AUD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,927 AUD at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.79ct lab-grown cushion diamond

This 2.79ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842609045 or 842609045. Listed at 18 retailers as of October 26, 2026, with prices from $4,064 to $18,927, a $14,862 spread on the same certified stone. With Clarity lists it at $18,927. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.79
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842609045
Dimensions8.47 × 8.37 × 5.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.47 mm8.37 mm2.79 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842609045
Side View
Table 55.0%Crown 37.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 65.9%

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: Oct 26
Current: $5,840 AUD|Low: $4,064 AUD|High: $18,927 AUD|Avg: $8,757 AUD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
With Clarity
October 27, 2026
Retailer 17$4,064 AUD
Retailer 18$4,107 AUD
Retailer 11$4,273 AUD
Retailer 5$4,456 AUD
Retailer 4$4,964 AUD
Retailer 12$5,298 AUD
Retailer 1$5,840 AUD
Retailer 16$5,945 AUD
Retailer 10$6,623 AUD
Retailer 7$7,333 AUD
Retailer 6$9,101 AUD
Retailer 8$9,612 AUD
Retailer 15$9,948 AUD
Retailer 14$10,378 AUD
Retailer 3$11,439 AUD
Retailer 9$13,517 AUD
Retailer 13$15,745 AUD
Retailer 2$17,485 AUD
With Clarity$18,927 AUD

17 data points across 19 retailers

18 retailers$4,064 AUD to $18,927 AUD

A
Cheapest Retailer
-
$4,064 AUD
$2,855 USD
A
Retailer 2
-
$4,107 AUD
$2,885 USD
View
A
Retailer 3
-
$4,273 AUD
£2,364 GBP
View
A
Retailer 4
-
$4,964 AUD
$3,487 USD
View
A
Retailer 5
-
$5,298 AUD
£2,930 GBP
View
B+
Retailer 6
-
$5,840 AUD
€3,907 EUR
View
B+
Retailer 7
-
$5,945 AUD
CA$5,800 CAD
View
B+
Retailer 8
-
$6,623 AUD
$4,652 USD
View
B+
Retailer 9
-
$7,333 AUD
£4,056 GBP
View
B
Retailer 10
-
$9,101 AUD
$6,393 USD
View
B
Retailer 11
-
$9,612 AUD
$6,752 USD
View
B
Retailer 12
-
$9,948 AUD
ZAR 112,890 ZAR
View
B
Retailer 13
-
$10,378 AUD
£5,740 GBP
View
B
Retailer 14
-
$11,439 AUD
$8,035 USD
View
B
Retailer 15
-
$13,517 AUD
$9,495 USD
View
B
Retailer 16
-
$15,745 AUD
$11,060 USD
View
B
Retailer 17
-
$17,485 AUD
$12,282 USD
View
Most Expensive
B
With Clarity
842609045 · Oct 30
$18,927 AUD
$13,295 USD
View
17 more retailers have this diamond
Prices start from $4,064 AUDSave up to $14,862 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
2.79ct Cushion
$4,064 AUD