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Round|Lab Grown|IGI

1.04ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825639477

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825639477

Diamond specifications and retailer prices

From £203 GBP
$270 USD
As of October 28, 2026
Save £901 GBP (82%) vs most expensive(unlock to see where)
16 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 LG825639477 or 825639477. Listed at 16 retailers as of October 28, 2026, with prices from £203 to £1,104, a £901 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 angle34.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639477
Dimensions6.45 × 6.51 × 4.03 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
6.45 mm6.51 mm1.04 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639477
Side View
Table 57.0%Crown 34.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.3%

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 28
Current: £1,104 GBP|Low: £179 GBP|High: £1,104 GBP|Avg: £461 GBP
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 6£184 GBP
Retailer 12£203 GBP
Retailer 5£213 GBP
Retailer 8£228 GBP
Retailer 7£230 GBP
Retailer 3£250 GBP
Retailer 13£302 GBP
Retailer 9£375 GBP
Retailer 15£386 GBP
Retailer 11£399 GBP
Retailer 2£424 GBP
Retailer 14£604 GBP
Retailer 16£730 GBP
Retailer 4£732 GBP
Retailer 10£906 GBP
Brilliant Earth£1,104 GBP

33 data points across 16 retailers

16 retailers£203 GBP to £1,104 GBP

Retailer 1
-
£184 GBP
$245 USD
Price last confirmed 17 days ago
A
Retailer 2
-
£203 GBP
$270 USD
View
Final sale: no returns
Retailer 3
-
£213 GBP
$284 USD
View
Price last confirmed 16 days ago
Retailer 4
-
£228 GBP
$303 USD
View
Price last confirmed 17 days ago
Retailer 5
-
£230 GBP
$306 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£250 GBP
HK$2,600 HKD
View
A
Retailer 7
-
£302 GBP
$402 USD
View
A
Retailer 8
-
£375 GBP
€475 EUR
View
A
Retailer 9
-
£386 GBP
ZAR 8,313 ZAR
View
A
Retailer 10
-
£399 GBP
$531 USD
View
B+
Retailer 11
-
£424 GBP
View
B+
Retailer 12
-
£604 GBP
SGD 1,087 SGD
View
B
Retailer 13
-
£730 GBP
$972 USD
View
Retailer 14
-
£732 GBP
$975 USD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
£906 GBP
View
Most Expensive
B
Brilliant Earth
21383961A · Oct 29
£1,104 GBP
$1,470 USD
View
15 more retailers have this diamond
Prices start from £203 GBPSave up to £901 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
£203 GBP