Cushion|Lab Grown|IGI

2.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG839634045

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

Certificate IGI LG839634045

Diamond specifications and retailer prices

From £826 GBP
$1,100 USD
As of October 29, 2026
Save £3,657 GBP (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,483 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.09ct lab-grown cushion diamond

This 2.09ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839634045 or 839634045. Listed at 8 retailers as of October 29, 2026, with prices from £826 to £4,483, a £3,657 spread on the same certified stone. Brilliant Earth lists it at £4,483. 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

2.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839634045
Dimensions7.42 × 7.37 × 4.79 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
7.42 mm7.37 mm2.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839634045
Side View
Table 64.0%Crown 36.6°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 65.0%

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 29
Current: £1,009 GBP|Low: £826 GBP|High: £2,483 GBP|Avg: £1,592 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3£826 GBP
Retailer 1£1,009 GBP
Retailer 4£1,021 GBP
Retailer 6£1,319 GBP
Retailer 7£2,168 GBP
Retailer 5£2,244 GBP
Retailer 2£2,483 GBP

12 data points across 7 retailers

8 retailers£826 GBP to £4,483 GBP

A
Cheapest Retailer
-
£826 GBP
$1,100 USD
A
Retailer 2
-
£1,009 GBP
View
A
Retailer 3
-
£1,021 GBP
$1,359 USD
View
A
Retailer 4
-
£1,319 GBP
$1,757 USD
View
B+
Retailer 5
-
£2,168 GBP
$2,887 USD
View
B+
Retailer 6
-
£2,244 GBP
$2,988 USD
View
B+
Retailer 7
-
£2,483 GBP
View
Most Expensive
B
Brilliant Earth
22302318A · Oct 29
£4,483 GBP
$5,970 USD
View
7 more retailers have this diamond
Prices start from £826 GBPSave up to £3,657 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
2.09ct Cushion
£826 GBP