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Round|Lab Grown|IGI

4.06ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG799648021

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799648021

Diamond specifications and retailer prices

From £10,516 GBP
$14,090 USD
As of October 30, 2026
5 retailers carry this diamond
Most expensive: £10,516 GBP at Brilliant Earth
View at Brilliant Earth

About this 4.06ct lab-grown round diamond

This 4.06ct lab-grown round 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 LG799648021 or 799648021. Listed at 5 retailers as of October 30, 2026. 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

4.06
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648021
Dimensions10.20 × 10.12 × 6.32 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
10.20 mm10.12 mm4.06 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648021
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £10,516 GBP|Low: £1,922 GBP|High: £13,479 GBP|Avg: £5,715 GBP|-22.0%
Brilliant Earth
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
October 30, 2026
Retailer 14£1,922 GBP
Retailer 11£2,064 GBP
Retailer 8£3,028 GBP
Retailer 7£3,111 GBP
Retailer 4£3,324 GBP
Retailer 13£3,573 GBP
Retailer 12£4,774 GBP
Retailer 5£5,042 GBP
Retailer 2£5,045 GBP
Retailer 9£5,801 GBP
Retailer 6£8,478 GBP
Retailer 3£9,604 GBP
Brilliant Earth£10,516 GBP
Retailer 10£11,501 GBP

7 data points across 14 retailers

5 retailers

Retailer 1
-
£3,028 GBP
$4,057 USD
Price last confirmed 20 days ago
Retailer 2
-
£3,111 GBP
$4,168 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£5,045 GBP
$6,760 USD
View
Price last confirmed 13 days ago
Retailer 4
-
£5,801 GBP
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
21731475Y · Oct 30
£10,516 GBP
$14,090 USD
View
4 more retailers have this diamond

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.

B
4.06ct Round
£10,516 GBP