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Cushion|Lab Grown|IGI

4.07ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG812652031

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812652031

Diamond specifications and retailer prices

From £3,727 GBP
$4,994 USD
As of October 31, 2026
Save £23,230 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £26,957 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.07ct lab-grown cushion diamond

This 4.07ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812652031 or 812652031. Listed at 21 retailers as of October 31, 2026, with prices from £3,727 to £26,957, a £23,230 spread on the same certified stone. Do Amore Diamonds lists it at £26,957. 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

4.07
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812652031
Dimensions11.47 × 8.36 × 5.62 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm8.36 mm4.07 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812652031
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 67.2%

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 31
Current: £26,957 GBP|Low: £3,727 GBP|High: £26,957 GBP|Avg: £10,310 GBP
Do Amore Diamonds
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 30, 2026
Retailer 13£3,727 GBP
Retailer 9£4,670 GBP
Retailer 5£4,836 GBP
Retailer 15£4,840 GBP
Retailer 14£5,224 GBP
Retailer 2£6,694 GBP
Retailer 4£7,874 GBP
Retailer 10£8,448 GBP
Retailer 11£10,921 GBP
Retailer 6£11,360 GBP
Retailer 8£11,362 GBP
Retailer 3£11,959 GBP
Retailer 7£13,401 GBP
Retailer 12£18,550 GBP
Do Amore Diamonds£26,957 GBP

36 data points across 15 retailers

21 retailers£3,727 GBP to £26,957 GBP

A
Cheapest Retailer
-
£3,727 GBP
$4,994 USD
A
Retailer 2
-
£4,360 GBP
CA$8,114 CAD
View
A
Retailer 3
-
£4,670 GBP
$6,257 USD
View
Final sale: no returns
Retailer 4
-
£4,836 GBP
$6,480 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£4,840 GBP
$6,485 USD
View
A
Retailer 6
-
£5,224 GBP
$7,000 USD
View
B+
Retailer 7
-
£6,694 GBP
View
B+
Retailer 8
-
£7,609 GBP
View
B+
Retailer 9
-
£7,874 GBP
$10,550 USD
View
B+
Retailer 10
-
£8,448 GBP
€10,781 EUR
View
B+
Retailer 11
-
£10,921 GBP
View
B
Retailer 12
-
£11,360 GBP
$15,221 USD
View
B+
Retailer 13
-
£11,362 GBP
ZAR 245,950 ZAR
View
B
Retailer 14
-
£11,959 GBP
$16,024 USD
View
Retailer 15
-
£11,986 GBP
$16,060 USD
View
Price last confirmed 37 days ago
B
Retailer 16
-
£12,539 GBP
$16,801 USD
View
B
Retailer 17
-
£13,312 GBP
$17,836 USD
View
B
Retailer 18
-
£13,401 GBP
$17,956 USD
View
B
Retailer 19
-
£13,793 GBP
$18,481 USD
View
B
Retailer 20
-
£18,550 GBP
$24,855 USD
View
Most Expensive
B
Do Amore Diamonds
20-E89668 · Oct 31
£26,957 GBP
$36,120 USD
View
20 more retailers have this diamond
Prices start from £3,727 GBPSave up to £23,230 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
4.07ct Cushion
£3,727 GBP