Radiant|Lab Grown|IGI

4.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG839647947

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

Certificate IGI LG839647947

Diamond specifications and retailer prices

From £455 GBP
As of October 27, 2026
Save £3,100 GBP (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,555 GBP at Brilliant Earth · As of November 2, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839647947 or 839647947. Listed at 23 retailers as of October 27, 2026, with prices from £455 to £3,555, a £3,100 spread on the same certified stone. Brilliant Earth lists it at £3,555. 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647947
Dimensions10.79 × 8.06 × 5.19 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm8.06 mm4.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647947
Side View
Table 63.0%Crown 45°Girdle: MediumPavilion 32.7°Culet: NoneDepth 64.4%

Caratlytics Score

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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: Oct 27
Current: £3,555 GBP|Low: £438 GBP|High: £5,204 GBP|Avg: £1,344 GBP|+1.9%
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 11£438 GBP
Retailer 21£455 GBP
Retailer 12£490 GBP
Retailer 10£543 GBP
Retailer 19£572 GBP
Retailer 23£641 GBP
Retailer 13£757 GBP
Retailer 16£776 GBP
Retailer 6£834 GBP
Retailer 22£844 GBP
Retailer 3£1,071 GBP
Retailer 4£1,096 GBP
Retailer 15£1,165 GBP
Retailer 2£1,189 GBP
Retailer 14£1,429 GBP
Retailer 18£1,647 GBP
Retailer 7£1,727 GBP
Retailer 9£1,733 GBP
Retailer 17£1,757 GBP
Retailer 8£2,009 GBP
Retailer 5£2,206 GBP
Retailer 20£2,290 GBP
Retailer 24£2,360 GBP
Brilliant Earth£3,555 GBP

29 data points across 24 retailers

23 retailers£455 GBP to £3,555 GBP

Retailer 1
-
£438 GBP
$588 USD
Price last confirmed 16 days ago
A
Retailer 2
-
£455 GBP
View
Retailer 3
-
£543 GBP
$729 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
£572 GBP
HK$6,000 HKD
View
Retailer 5
-
£641 GBP
$860 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
£757 GBP
€967 EUR
View
Retailer 7
-
£776 GBP
$1,041 USD
View
Price last confirmed 7 days ago
Retailer 8
-
£834 GBP
$1,119 USD
View
Price last confirmed 6 days ago
A
Retailer 9
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£844 GBP
View
Retailer 10
-
£1,071 GBP
ZAR 23,218 ZAR
View
Price last confirmed 9 days ago
Retailer 11
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£1,096 GBP
A$2,263 AUD
View
Price last confirmed 13 days ago
A
Retailer 12
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£1,165 GBP
$1,564 USD
View
A
Retailer 13
-
£1,189 GBP
$1,595 USD
View
Retailer 14
-
£1,429 GBP
$1,917 USD
View
Price last confirmed 16 days ago
B+
Retailer 15
-
£1,647 GBP
SGD 2,986 SGD
View
Retailer 16
-
£1,727 GBP
$2,318 USD
View
Price last confirmed 8 days ago
Retailer 17
-
£1,733 GBP
$2,325 USD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
£1,757 GBP
$2,358 USD
View
Retailer 19
-
£2,009 GBP
A$4,147 AUD
View
Price last confirmed 24 days ago
B
Retailer 20
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£2,206 GBP
$2,960 USD
View
B
Retailer 21
-
£2,290 GBP
$3,073 USD
View
B
Retailer 22
-
£2,360 GBP
View
Most Expensive
B
Brilliant Earth
21808682A · Nov 2
£3,555 GBP
$4,770 USD
View
22 more retailers have this diamond
Prices start from £455 GBPSave up to £3,100 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
£455 GBP