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Cushion|Lab Grown|IGI

2.70ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG840634951

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840634951

Diamond specifications and retailer prices

From £1,177 GBP
As of October 29, 2026
Save £6,220 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £7,397 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.7ct lab-grown cushion diamond

This 2.7ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634951 or 840634951. Listed at 16 retailers as of October 29, 2026, with prices from £1,177 to £7,397, a £6,220 spread on the same certified stone. Brilliant Earth lists it at £7,397. 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

2.70
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634951
Dimensions10.38 × 6.95 × 4.71 mm
L/W Ratio1.49
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
10.38 mm6.95 mm2.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634951
Side View
Table 63.0%Crown 34.3°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 67.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,631 GBP|Low: £1,169 GBP|High: £5,698 GBP|Avg: £2,934 GBP|-2.7%
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
October 29, 2026
Retailer 11£1,177 GBP
Retailer 13£1,284 GBP
Retailer 15£1,303 GBP
Retailer 1£1,631 GBP
Retailer 3£1,829 GBP
Retailer 9£2,167 GBP
Retailer 14£2,308 GBP
Retailer 12£2,792 GBP
Retailer 8£2,984 GBP
Retailer 2£3,128 GBP
Retailer 10£3,737 GBP
Retailer 6£4,064 GBP
Retailer 5£4,568 GBP
Retailer 7£4,690 GBP
Retailer 4£5,665 GBP

14 data points across 15 retailers

16 retailers£1,177 GBP to £7,397 GBP

A
Cheapest Retailer
-
£1,177 GBP
A
Retailer 2
-
£1,284 GBP
$1,710 USD
View
A
Retailer 3
-
£1,303 GBP
$1,735 USD
View
Final sale: no returns
A
Retailer 4
-
£1,631 GBP
View
A
Retailer 5
-
£1,829 GBP
$2,435 USD
View
A
Retailer 6
-
£2,167 GBP
€2,748 EUR
View
A
Retailer 7
-
£2,308 GBP
$3,073 USD
View
A
Retailer 8
-
£2,792 GBP
View
B+
Retailer 9
-
£2,984 GBP
ZAR 64,206 ZAR
View
B+
Retailer 10
-
£3,128 GBP
$4,165 USD
View
B+
Retailer 11
-
£3,737 GBP
View
B+
Retailer 12
-
£4,064 GBP
$5,411 USD
View
B+
Retailer 13
-
£4,568 GBP
SGD 8,221 SGD
View
Retailer 14
-
£4,690 GBP
$6,245 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
£5,665 GBP
$7,544 USD
View
Most Expensive
B
Brilliant Earth
21861642A · Oct 29
£7,397 GBP
$9,850 USD
View
15 more retailers have this diamond
Prices start from £1,177 GBPSave up to £6,220 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
2.70ct Cushion
£1,177 GBP