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Radiant|Lab Grown|IGI

1.03ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG811624256

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

Certificate IGI LG811624256

Diamond specifications and retailer prices

From £284 GBP
$378 USD
As of October 27, 2026
Save £1,150 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,516 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG811624256 or 811624256. Listed at 17 retailers as of October 27, 2026, with a 405% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle40°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811624256
Dimensions7.10 × 4.99 × 3.32 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.10 mm4.99 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811624256
Side View
Table 64.0%Crown 40°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 66.5%

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: £2,516 GBP|Low: £227 GBP|High: £2,516 GBP|Avg: £905 GBP
Do Amore Diamonds
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
Retailer 18
October 29, 2026
Retailer 16£284 GBP
Retailer 5£317 GBP
Retailer 18£318 GBP
Retailer 7£378 GBP
Retailer 8£429 GBP
Retailer 14£466 GBP
Retailer 17£468 GBP
Retailer 10£577 GBP
Retailer 12£591 GBP
Retailer 9£821 GBP
Retailer 13£935 GBP
Retailer 3£1,140 GBP
Retailer 4£1,157 GBP
Retailer 15£1,248 GBP
Retailer 2£1,433 GBP
Retailer 11£1,483 GBP
Retailer 6£1,667 GBP
Do Amore Diamonds£2,516 GBP

27 data points across 18 retailers

17 retailers£284 GBP to £1,433 GBP

A
Cheapest Retailer
-
£284 GBP
$378 USD
A
Retailer 2
-
£317 GBP
$422 USD
View
Final sale: no returns
A
Retailer 3
-
£318 GBP
$423 USD
View
A
Retailer 4
-
£378 GBP
$503 USD
View
A
Retailer 5
-
£429 GBP
$571 USD
View
A
Retailer 6
-
£466 GBP
$620 USD
View
A
Retailer 7
-
£468 GBP
$623 USD
View
B+
Retailer 8
-
£591 GBP
€750 EUR
View
B
Retailer 9
-
£935 GBP
$1,245 USD
View
B
Retailer 10
-
£1,140 GBP
$1,518 USD
View
B
Retailer 11
-
£1,157 GBP
SGD 2,082 SGD
View
B+
Retailer 12
-
£1,248 GBP
$1,662 USD
View
B
Retailer 13
-
£1,433 GBP
View
B
Retailer 14
-
£1,457 GBP
$1,940 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
£1,483 GBP
$1,975 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
£1,667 GBP
$2,220 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Do Amore Diamonds
27-FCF685EC2 · Oct 29
£2,516 GBP
$3,350 USD
View
Price under review
16 more retailers have this diamond
Prices start from £284 GBPSave up to £1,150 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
£284 GBP