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Radiant|Lab Grown|IGI

1.35ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG825667156

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

Certificate IGI LG825667156

Diamond specifications and retailer prices

From £253 GBP
$337 USD
As of October 30, 2026
Save £2,030 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,283 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825667156 or 825667156. Listed at 18 retailers as of October 29, 2026, with prices from £253 to £2,283, a £2,030 spread on the same certified stone. Brilliant Earth lists it at £2,283. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825667156
Dimensions7.48 × 5.60 × 3.85 mm
L/W Ratio1.34
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
7.48 mm5.60 mm1.35 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825667156
Side View
Table 65.0%Crown 42.1°Girdle: Slightly ThickPavilion 36.9°Culet: NoneDepth 68.8%

Caratlytics Score

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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 30
Current: £2,283 GBP|Low: £253 GBP|High: £2,283 GBP|Avg: £874 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
October 30, 2026
Retailer 14£253 GBP
Retailer 13£383 GBP
Retailer 10£437 GBP
Retailer 7£457 GBP
Retailer 2£468 GBP
Retailer 4£492 GBP
Retailer 12£725 GBP
Retailer 9£816 GBP
Retailer 5£825 GBP
Retailer 11£891 GBP
Retailer 6£974 GBP
Retailer 8£1,066 GBP
Retailer 3£2,058 GBP
Brilliant Earth£2,283 GBP

27 data points across 14 retailers

18 retailers£253 GBP to £2,283 GBP

A
Cheapest Retailer
-
£253 GBP
$337 USD
Final sale: no returns
Retailer 2
-
£282 GBP
$375 USD
View
Price last confirmed 28 days ago
Retailer 3
-
£329 GBP
$438 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£364 GBP
$485 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
£383 GBP
$510 USD
View
A
Retailer 6
-
£437 GBP
$582 USD
View
A
Retailer 7
-
£457 GBP
ZAR 9,822 ZAR
View
A
Retailer 8
-
£468 GBP
View
A
Retailer 9
-
£492 GBP
€624 EUR
View
B+
Retailer 10
-
£725 GBP
$966 USD
View
B+
Retailer 11
-
£816 GBP
$1,087 USD
View
B+
Retailer 12
-
£825 GBP
$1,099 USD
View
B+
Retailer 13
-
£891 GBP
$1,187 USD
View
B+
Retailer 14
-
£974 GBP
SGD 1,752 SGD
View
B+
Retailer 15
-
£1,066 GBP
View
Retailer 16
-
£1,170 GBP
$1,558 USD
View
Price last confirmed 29 days ago
Retailer 17
-
£2,058 GBP
$2,740 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21433676A · Oct 29
£2,283 GBP
$3,040 USD
View
17 more retailers have this diamond
Prices start from £253 GBPSave up to £2,030 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
1.35ct Radiant
£253 GBP