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Cushion|Lab Grown|IGI

4.10ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG804659535

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659535

Diamond specifications and retailer prices

From £3,337 GBP
$4,471 USD
As of October 30, 2026
Save £15,221 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £18,558 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.1ct lab-grown cushion diamond

This 4.1ct 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 LG804659535 or 804659535. Listed at 14 retailers as of October 30, 2026, with prices from £3,337 to £18,558, a £15,221 spread on the same certified stone. With Clarity lists it at £18,558. 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

4.10
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659535
Dimensions10.64 × 8.74 × 5.68 mm
L/W Ratio1.22
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
10.64 mm8.74 mm4.10 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659535
Side View
Table 58.0%Crown 36.9°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 65.0%

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 30
Current: £8,896 GBP|Low: £3,337 GBP|High: £22,535 GBP|Avg: £8,031 GBP|-24.0%
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
With Clarity
October 30, 2026
Retailer 11£3,337 GBP
Retailer 3£4,394 GBP
Retailer 6£4,620 GBP
Retailer 13£4,649 GBP
Retailer 2£5,392 GBP
Retailer 8£5,772 GBP
Retailer 10£5,997 GBP
Retailer 4£6,615 GBP
Retailer 7£7,483 GBP
Retailer 9£7,572 GBP
Retailer 1£8,896 GBP
Retailer 12£9,425 GBP
Retailer 5£12,487 GBP
With Clarity£18,558 GBP

41 data points across 14 retailers

14 retailers£3,337 GBP to £18,558 GBP

A
Cheapest Retailer
-
£3,337 GBP
$4,471 USD
A
Retailer 2
-
£4,394 GBP
HK$46,000 HKD
View
A
Retailer 3
-
£4,620 GBP
View
A
Retailer 4
-
£4,649 GBP
$6,229 USD
View
A
Retailer 5
-
£5,392 GBP
$7,225 USD
View
A
Retailer 6
-
£5,772 GBP
€7,366 EUR
View
Retailer 7
-
£5,997 GBP
$8,035 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
£6,615 GBP
$8,863 USD
View
B+
Retailer 9
-
£7,483 GBP
ZAR 161,983 ZAR
View
B+
Retailer 10
-
£7,572 GBP
View
B+
Retailer 11
-
£8,896 GBP
$11,920 USD
View
B+
Retailer 12
-
£9,425 GBP
$12,628 USD
View
B+
Retailer 13
-
£12,487 GBP
$16,732 USD
View
Most Expensive
B
With Clarity
804659535 · Oct 31
£18,558 GBP
$24,866 USD
View
13 more retailers have this diamond
Prices start from £3,337 GBPSave up to £15,221 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
4.10ct Cushion
£3,337 GBP