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Radiant|Lab Grown|IGI

4.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG811684497

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

Certificate IGI LG811684497

Diamond specifications and retailer prices

From £487 GBP
$654 USD
As of November 2, 2026
Save £3,835 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,492 GBP at Brilliant Earth · As of October 17, 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 LG811684497 or 811684497. Listed at 18 retailers as of November 2, 2026, with a 787% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle45.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811684497
Dimensions10.70 × 8.09 × 5.35 mm
L/W Ratio1.32
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.70 mm8.09 mm4.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811684497
Side View
Table 66.0%Crown 45.2°Girdle: MediumPavilion 38.3°Culet: NoneDepth 66.1%

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: Nov 2
Current: £5,492 GBP|Low: £467 GBP|High: £5,492 GBP|Avg: £1,696 GBP|+1.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10£487 GBP
Retailer 13£530 GBP
Retailer 4£565 GBP
Retailer 11£565 GBP
Retailer 8£697 GBP
Retailer 5£877 GBP
Retailer 2£1,000 GBP
Retailer 7£1,327 GBP
Retailer 12£1,753 GBP
Retailer 9£2,187 GBP
Retailer 3£3,238 GBP
Retailer 6£3,766 GBP
Brilliant Earth£5,492 GBP

41 data points across 13 retailers

18 retailers£487 GBP to £4,322 GBP

A
Cheapest Retailer
-
£487 GBP
$654 USD
A
Retailer 2
-
£530 GBP
$711 USD
View
A
Retailer 3
-
£545 GBP
$731 USD
View
Final sale: no returns
A
Retailer 4
-
£565 GBP
$758 USD
View
Retailer 5
-
£565 GBP
$758 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£697 GBP
$935 USD
View
A
Retailer 7
-
£877 GBP
$1,177 USD
View
A
Retailer 8
-
£957 GBP
$1,284 USD
View
A
Retailer 9
-
£1,000 GBP
View
B+
Retailer 10
-
£1,327 GBP
ZAR 28,775 ZAR
View
B+
Retailer 11
-
£1,753 GBP
$2,353 USD
View
B
Retailer 12
-
£1,942 GBP
View
B
Retailer 13
-
£2,000 GBP
$2,684 USD
View
B+
Retailer 14
-
£2,187 GBP
$2,935 USD
View
B
Retailer 15
-
£3,238 GBP
$4,346 USD
View
B
Retailer 16
-
£3,766 GBP
$5,054 USD
View
B
Retailer 17
-
£4,322 GBP
$5,800 USD
View
Most Expensive
Brilliant Earth
20511135A · Oct 17
£5,492 GBP
$7,370 USD
View
Price last confirmed 16 days ago
17 more retailers have this diamond
Prices start from £487 GBPSave up to £3,835 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
£487 GBP