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Round|Lab Grown|IGI

4.00ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG804655836

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804655836

Diamond specifications and retailer prices

From £3,082 GBP
$4,129 USD
As of October 31, 2026
Save £8,845 GBP (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £11,926 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4ct lab-grown round diamond

This 4ct 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 LG804655836 or 804655836. Listed at 8 retailers as of October 30, 2026, with prices from £3,082 to £11,926, a £8,845 spread on the same certified stone. Do Amore Diamonds lists it at £11,926. 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

4.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804655836
Dimensions10.16 × 10.08 × 6.35 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
10.16 mm10.08 mm4.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804655836
Side View
Table 54.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

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: £11,926 GBP|Low: £1,893 GBP|High: £13,285 GBP|Avg: £5,544 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
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Retailer 15
October 30, 2026
Retailer 15£1,893 GBP
Retailer 3£2,567 GBP
Retailer 11£3,082 GBP
Retailer 9£3,082 GBP
Retailer 12£3,138 GBP
Retailer 5£3,238 GBP
Retailer 14£3,520 GBP
Retailer 13£4,707 GBP
Retailer 6£4,959 GBP
Retailer 10£5,053 GBP
Retailer 8£5,951 GBP
Retailer 7£8,351 GBP
Retailer 4£9,462 GBP
Retailer 2£10,359 GBP
Do Amore Diamonds£11,926 GBP

10 data points across 15 retailers

8 retailers£3,082 GBP to £11,926 GBP

A
Cheapest Retailer
-
£3,082 GBP
$4,129 USD
A
Retailer 2
-
£3,082 GBP
$4,130 USD
View
A
Retailer 3
-
£3,138 GBP
$4,204 USD
View
B+
Retailer 4
-
£4,707 GBP
$6,307 USD
View
B+
Retailer 5
-
£5,053 GBP
$6,770 USD
View
B+
Retailer 6
-
£5,951 GBP
View
B
Retailer 7
-
£10,359 GBP
$13,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-C3D5D0E7B · Oct 30
£11,926 GBP
$15,980 USD
View
7 more retailers have this diamond
Prices start from £3,082 GBPSave up to £8,845 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
4.00ct Round
£3,082 GBP