CaratHunter
Plans
Radiant|Lab Grown|IGI

1.03ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG799670930

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

Certificate IGI LG799670930

Diamond specifications and retailer prices

From £264 GBP
$351 USD
As of October 27, 2026
Save £1,373 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,637 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct 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 LG799670930 or 799670930. Listed at 18 retailers as of October 27, 2026, with prices from £264 to £1,637, a £1,373 spread on the same certified stone. Brilliant Earth lists it at £1,637. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670930
Dimensions7.09 × 5.01 × 3.36 mm
L/W Ratio1.42
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
7.09 mm5.01 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799670930
Side View
Table 63.0%Crown 43.2°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 67.1%

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 27
Current: £1,637 GBP|Low: £264 GBP|High: £1,637 GBP|Avg: £774 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
Retailer 17
October 29, 2026
Retailer 14£264 GBP
Retailer 17£295 GBP
Retailer 5£327 GBP
Retailer 9£475 GBP
Retailer 4£477 GBP
Retailer 10£504 GBP
Retailer 6£525 GBP
Retailer 16£548 GBP
Retailer 12£562 GBP
Retailer 2£587 GBP
Retailer 3£843 GBP
Retailer 11£1,083 GBP
Retailer 8£1,163 GBP
Retailer 13£1,259 GBP
Retailer 15£1,282 GBP
Retailer 7£1,491 GBP
Brilliant Earth£1,637 GBP

33 data points across 17 retailers

18 retailers£264 GBP to £1,637 GBP

A
Cheapest Retailer
-
£264 GBP
$351 USD
A
Retailer 2
-
£295 GBP
$393 USD
View
Final sale: no returns
A
Retailer 3
-
£327 GBP
$436 USD
View
A
Retailer 4
-
£327 GBP
$436 USD
View
B+
Retailer 5
-
£475 GBP
$633 USD
View
B+
Retailer 6
-
£477 GBP
$635 USD
View
B+
Retailer 7
-
£504 GBP
$671 USD
View
B+
Retailer 8
-
£525 GBP
$699 USD
View
B+
Retailer 9
-
£548 GBP
€695 EUR
View
B+
Retailer 10
-
£562 GBP
ZAR 12,097 ZAR
View
B+
Retailer 11
-
£587 GBP
View
B
Retailer 12
-
£843 GBP
$1,123 USD
View
B
Retailer 13
-
£1,083 GBP
$1,442 USD
View
B
Retailer 14
-
£1,187 GBP
$1,581 USD
View
B
Retailer 15
-
£1,259 GBP
$1,677 USD
View
B
Retailer 16
-
£1,282 GBP
View
B
Retailer 17
-
£1,491 GBP
$1,985 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
21384620A · Oct 29
£1,637 GBP
$2,180 USD
View
17 more retailers have this diamond
Prices start from £264 GBPSave up to £1,373 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
1.03ct Radiant
£264 GBP