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Radiant|Lab Grown|IGI

3.03ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG838647902

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

Certificate IGI LG838647902

Diamond specifications and retailer prices

From £294 GBP
As of November 6, 2026
Save £1,000 GBP (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,294 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG838647902 or 838647902. Listed at 6 retailers as of November 6, 2026, with prices from £294 to £1,294, a £1,000 spread on the same certified stone. NZ Jewellers lists it at £1,294. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838647902
Dimensions11.00 × 7.10 × 4.49 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.10 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838647902
Side View
Table 70.0%Crown 38.1°Girdle: ThickPavilion 33.2°CuletDepth 63.2%

Caratlytics Score

How it works →
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: Nov 6
Current: £1,294 GBP|Low: £294 GBP|High: £1,294 GBP|Avg: £564 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£294 GBP
Retailer 5£329 GBP
Retailer 6£474 GBP
Retailer 3£490 GBP
Retailer 4£579 GBP
NZ Jewellers£1,294 GBP

2 data points across 6 retailers

6 retailers£294 GBP to £1,294 GBP

A
Cheapest Retailer
-
£294 GBP
A
Retailer 2
-
£329 GBP
View
A
Retailer 3
-
£474 GBP
View
A
Retailer 4
-
£490 GBP
View
B+
Retailer 5
-
£579 GBP
View
Most Expensive
B
NZ Jewellers
fec52316-9084-4faf-9ea0-e7fdb9d2afb9 · Nov 6
£1,294 GBP
$1,732 USD
View
5 more retailers have this diamond
Prices start from £294 GBPSave up to £1,000 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
3.03ct Radiant
£294 GBP