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Radiant|Lab Grown|IGI

3.04ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG645419350

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

Certificate IGI LG645419350

Diamond specifications and retailer prices

From £376 GBP
As of November 6, 2026
Save £1,564 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,939 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.04ct lab-grown radiant diamond

This 3.04ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645419350 or 645419350. Listed at 15 retailers as of November 5, 2026, with prices from £376 to £1,939, a £1,564 spread on the same certified stone. MOH London lists it at £1,939. 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

3.04
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645419350
Dimensions10.51 × 7.02 × 4.69 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.51 mm7.02 mm3.04 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645419350
Side View
Table 63.0%Crown 42.8°Girdle: MediumPavilion 34.1°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,939 GBP|Low: £361 GBP|High: £1,969 GBP|Avg: £941 GBP|-1.4%
MOH London
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
November 6, 2026
Retailer 12£376 GBP
Retailer 3£421 GBP
Retailer 4£421 GBP
Retailer 13£466 GBP
Retailer 7£568 GBP
Retailer 9£626 GBP
Retailer 11£712 GBP
Retailer 2£768 GBP
Retailer 10£1,056 GBP
Retailer 5£1,165 GBP
Retailer 14£1,225 GBP
Retailer 6£1,517 GBP
Retailer 8£1,834 GBP
MOH London£1,939 GBP

44 data points across 14 retailers

15 retailers£376 GBP to £1,939 GBP

A
Cheapest Retailer
-
£376 GBP
A
Retailer 2
-
£421 GBP
View
A
Retailer 3
-
£421 GBP
View
Final sale: no returns
A
Retailer 4
-
£466 GBP
View
Retailer 5
-
£466 GBP
View
Price last confirmed 22 days ago
A
Retailer 6
-
£568 GBP
View
B+
Retailer 7
-
£626 GBP
View
A
Retailer 8
-
£768 GBP
View
B+
Retailer 9
-
£1,056 GBP
View
B+
Retailer 10
-
£1,165 GBP
View
B+
Retailer 11
-
£1,191 GBP
View
B+
Retailer 12
-
£1,225 GBP
View
B
Retailer 13
-
£1,517 GBP
View
Retailer 14
-
£1,834 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG645419350 · Nov 5
£1,939 GBP
View
14 more retailers have this diamond
Prices start from £376 GBPSave up to £1,564 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
3.04ct Radiant
£376 GBP