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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 £2,131 GBP
$2,855 USD
As of October 26, 2026
Save £7,792 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £9,922 GBP 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 £2,131 to £9,922, a £7,792 spread on the same certified stone. With Clarity lists it at £9,922. 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

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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: £3,062 GBP|Low: £2,131 GBP|High: £9,922 GBP|Avg: £4,591 GBP|-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£2,131 GBP
Retailer 18£2,153 GBP
Retailer 11£2,240 GBP
Retailer 5£2,336 GBP
Retailer 4£2,602 GBP
Retailer 12£2,778 GBP
Retailer 1£3,062 GBP
Retailer 16£3,117 GBP
Retailer 10£3,472 GBP
Retailer 7£3,844 GBP
Retailer 6£4,771 GBP
Retailer 8£5,039 GBP
Retailer 15£5,215 GBP
Retailer 14£5,441 GBP
Retailer 3£5,997 GBP
Retailer 9£7,086 GBP
Retailer 13£8,254 GBP
Retailer 2£9,166 GBP
With Clarity£9,922 GBP

17 data points across 19 retailers

18 retailers£2,131 GBP to £9,922 GBP

A
Cheapest Retailer
-
£2,131 GBP
$2,855 USD
A
Retailer 2
-
£2,153 GBP
$2,885 USD
View
A
Retailer 3
-
£2,240 GBP
View
A
Retailer 4
-
£2,602 GBP
$3,487 USD
View
A
Retailer 5
-
£2,778 GBP
View
B+
Retailer 6
-
£3,062 GBP
€3,907 EUR
View
B+
Retailer 7
-
£3,117 GBP
CA$5,800 CAD
View
B+
Retailer 8
-
£3,472 GBP
$4,652 USD
View
B+
Retailer 9
-
£3,844 GBP
View
B
Retailer 10
-
£4,771 GBP
$6,393 USD
View
B
Retailer 11
-
£5,039 GBP
$6,752 USD
View
B
Retailer 12
-
£5,215 GBP
ZAR 112,890 ZAR
View
B
Retailer 13
-
£5,441 GBP
View
B
Retailer 14
-
£5,997 GBP
$8,035 USD
View
B
Retailer 15
-
£7,086 GBP
$9,495 USD
View
B
Retailer 16
-
£8,254 GBP
$11,060 USD
View
B
Retailer 17
-
£9,166 GBP
$12,282 USD
View
Most Expensive
B
With Clarity
842609045 · Oct 30
£9,922 GBP
$13,295 USD
View
17 more retailers have this diamond
Prices start from £2,131 GBPSave up to £7,792 GBP

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
£2,131 GBP