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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG788630247

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG788630247

Diamond specifications and retailer prices

From £1,652 GBP
$2,200 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: £1,652 GBP at Brilliant Earth
View at Brilliant Earth

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant 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 LG788630247 or 788630247. Listed at 3 retailers as of October 29, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788630247
Dimensions7.34 × 5.04 × 3.28 mm
L/W Ratio1.46
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
7.34 mm5.04 mm1.05 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788630247
Side View
Table 66.0%Crown 45.5°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 65.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £1,652 GBP|Low: £410 GBP|High: £2,065 GBP|Avg: £1,021 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 18, 2026
Retailer 7£410 GBP
Retailer 6£462 GBP
Retailer 5£641 GBP
Retailer 3£715 GBP
Retailer 4£771 GBP
Retailer 11£772 GBP
Retailer 10£798 GBP
Retailer 9£932 GBP
Retailer 2£1,483 GBP
Retailer 12£1,527 GBP
Brilliant Earth£1,652 GBP
Retailer 8£2,065 GBP

7 data points across 12 retailers

3 retailers

B+
Retailer 1
-
£641 GBP
$854 USD
Price last confirmed 24 days ago
B
Retailer 2
-
£1,483 GBP
$1,975 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21413276Y · Oct 29
£1,652 GBP
$2,200 USD
View
2 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+
1.05ct Radiant
£1,652 GBP