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Round|Lab Grown|IGI

1.04ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG811647436

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647436

Diamond specifications and retailer prices

From £208 GBP
$277 USD
As of October 28, 2026
Save £896 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,104 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811647436 or 811647436. Listed at 19 retailers as of October 28, 2026, with prices from £208 to £1,104, a £896 spread on the same certified stone. Brilliant Earth lists it at £1,104. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647436
Dimensions6.55 × 6.57 × 3.92 mm
L/W Ratio1.00
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
6.55 mm6.57 mm1.04 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647436
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.7%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: £1,104 GBP|Low: £179 GBP|High: £1,104 GBP|Avg: £484 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 9£186 GBP
Retailer 3£231 GBP
Retailer 10£312 GBP
Retailer 5£375 GBP
Retailer 7£397 GBP
Retailer 6£411 GBP
Retailer 2£437 GBP
Retailer 11£448 GBP
Retailer 8£582 GBP
Retailer 4£932 GBP
Brilliant Earth£1,104 GBP

39 data points across 11 retailers

19 retailers£208 GBP to £1,104 GBP

Retailer 1
-
£186 GBP
$248 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£208 GBP
$277 USD
View
Final sale: no returns
Retailer 3
-
£216 GBP
$288 USD
View
Price last confirmed 16 days ago
Retailer 4
-
£231 GBP
$308 USD
View
Price last confirmed 17 days ago
Retailer 5
-
£231 GBP
$308 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£312 GBP
$415 USD
View
A
Retailer 7
-
£375 GBP
View
A
Retailer 8
-
£383 GBP
$510 USD
View
A
Retailer 9
-
£397 GBP
ZAR 8,546 ZAR
View
A
Retailer 10
-
£411 GBP
€521 EUR
View
B+
Retailer 11
-
£437 GBP
View
B+
Retailer 12
-
£448 GBP
A$918 AUD
View
B+
Retailer 13
-
£582 GBP
$775 USD
View
B+
Retailer 14
-
£622 GBP
SGD 1,120 SGD
View
Retailer 15
-
£743 GBP
$990 USD
View
Price last confirmed 29 days ago
B
Retailer 16
-
£782 GBP
$1,041 USD
View
B
Retailer 17
-
£932 GBP
View
B
Retailer 18
-
£1,012 GBP
$1,348 USD
View
Most Expensive
B
Brilliant Earth
21369757A · Oct 29
£1,104 GBP
$1,470 USD
View
18 more retailers have this diamond
Prices start from £208 GBPSave up to £896 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
1.04ct Round
£208 GBP