Radiant|Lab Grown|IGI

4.03ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG749583767

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

Certificate IGI LG749583767

Diamond specifications and retailer prices

From £1,260 GBP
$1,688 USD
As of October 30, 2026
Save £4,875 GBP (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,135 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.03ct lab-grown radiant diamond

This 4.03ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749583767 or 749583767. Listed at 23 retailers as of October 29, 2026, with prices from £1,260 to £6,135, a £4,875 spread on the same certified stone. Brilliant Earth lists it at £6,135. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749583767
Dimensions11.20 × 7.50 × 5.21 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm7.50 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749583767
Side View
Table 67.0%Crown 43.3°Girdle: Slightly ThickPavilion 31.6°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £6,135 GBP|Low: £1,210 GBP|High: £6,135 GBP|Avg: £2,959 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 21£1,260 GBP
Retailer 7£1,461 GBP
Retailer 20£1,535 GBP
Retailer 3£1,586 GBP
Retailer 6£1,636 GBP
Retailer 4£1,691 GBP
Retailer 2£2,072 GBP
Retailer 16£2,090 GBP
Retailer 5£2,296 GBP
Retailer 17£2,298 GBP
Retailer 9£2,740 GBP
Retailer 14£3,026 GBP
Retailer 13£3,111 GBP
Retailer 18£3,136 GBP
Retailer 19£3,761 GBP
Retailer 8£3,926 GBP
Retailer 15£4,196 GBP
Retailer 10£4,229 GBP
Retailer 11£4,883 GBP
Retailer 12£5,129 GBP
Brilliant Earth£6,135 GBP

31 data points across 21 retailers

23 retailers£1,260 GBP to £6,135 GBP

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Cheapest Retailer
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£1,260 GBP
$1,688 USD
A
Retailer 2
-
£1,461 GBP
$1,958 USD
View
A
Retailer 3
-
£1,535 GBP
$2,057 USD
View
Final sale: no returns
A
Retailer 4
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£1,586 GBP
$2,125 USD
View
A
Retailer 5
-
£1,636 GBP
$2,192 USD
View
A
Retailer 6
-
£1,691 GBP
HK$17,700 HKD
View
A
Retailer 7
-
£2,072 GBP
View
A
Retailer 8
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£2,090 GBP
$2,800 USD
View
A
Retailer 9
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£2,296 GBP
$3,076 USD
View
Retailer 10
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£2,298 GBP
€2,933 EUR
View
Price last confirmed 7 days ago
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Retailer 11
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£2,740 GBP
$3,671 USD
View
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Retailer 12
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£3,026 GBP
View
A
Retailer 13
-
£3,111 GBP
ZAR 67,341 ZAR
View
Retailer 14
-
£3,136 GBP
A$6,465 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
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£3,761 GBP
$5,039 USD
View
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Retailer 16
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£3,926 GBP
$5,261 USD
View
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Retailer 17
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£4,177 GBP
$5,597 USD
View
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Retailer 18
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£4,196 GBP
View
A
Retailer 19
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£4,229 GBP
$5,666 USD
View
Retailer 20
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£4,844 GBP
$6,490 USD
View
Price last confirmed 32 days ago
B+
Retailer 21
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£4,883 GBP
SGD 8,842 SGD
View
B+
Retailer 22
-
£5,129 GBP
$6,872 USD
View
Most Expensive
B+
Brilliant Earth
16698126A · Oct 29
£6,135 GBP
$8,220 USD
View
22 more retailers have this diamond
Prices start from £1,260 GBPSave up to £4,875 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
4.03ct Radiant
£1,260 GBP