Princess|Lab Grown|IGI

4.09ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG653412333

Shape and cutting style on the report: Princess cut

Certificate IGI LG653412333

Diamond specifications and retailer prices

From £426 GBP
$571 USD
As of October 27, 2026
Save £2,514 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,941 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown princess diamond

This 4.09ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653412333 or 653412333. Listed at 21 retailers as of October 27, 2026, with prices from £426 to £2,941, a £2,514 spread on the same certified stone. Brilliant Earth lists it at £2,941. 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

4.09
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653412333
Dimensions8.64 × 8.61 × 6.20 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm8.61 mm4.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG653412333
Side View
Table 70.0%Crown 41.8°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 72.0%

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: £2,941 GBP|Low: £383 GBP|High: £2,941 GBP|Avg: £1,059 GBP|+16.2%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 7£426 GBP
Retailer 5£478 GBP
Retailer 10£494 GBP
Retailer 6£502 GBP
Retailer 17£627 GBP
Retailer 15£709 GBP
Retailer 14£765 GBP
Retailer 2£826 GBP
Retailer 13£830 GBP
Retailer 9£975 GBP
Retailer 18£1,081 GBP
Retailer 12£1,196 GBP
Retailer 11£1,300 GBP
Retailer 19£1,535 GBP
Retailer 3£1,702 GBP
Retailer 4£1,713 GBP
Retailer 16£1,862 GBP
Retailer 8£2,066 GBP
Brilliant Earth£2,941 GBP

40 data points across 19 retailers

21 retailers£426 GBP to £2,941 GBP

A
Cheapest Retailer
-
£426 GBP
$571 USD
A
Retailer 2
-
£478 GBP
$640 USD
View
A
Retailer 3
-
£494 GBP
$662 USD
View
Retailer 4
-
£494 GBP
$662 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£502 GBP
$673 USD
View
Final sale: no returns
A
Retailer 6
-
£627 GBP
$840 USD
View
B+
Retailer 7
-
£709 GBP
$950 USD
View
A
Retailer 8
-
£765 GBP
$1,025 USD
View
A
Retailer 9
-
£826 GBP
View
A
Retailer 10
-
£830 GBP
€1,059 EUR
View
Retailer 11
-
£975 GBP
ZAR 21,108 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£1,081 GBP
$1,448 USD
View
B+
Retailer 13
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£1,196 GBP
$1,602 USD
View
B+
Retailer 14
-
£1,300 GBP
$1,742 USD
View
B+
Retailer 15
-
£1,535 GBP
View
B+
Retailer 16
-
£1,600 GBP
$2,144 USD
View
B
Retailer 17
-
£1,702 GBP
$2,281 USD
View
B+
Retailer 18
-
£1,713 GBP
$2,295 USD
View
B
Retailer 19
-
£1,862 GBP
$2,495 USD
View
B
Retailer 20
-
£2,066 GBP
View
Most Expensive
B
Brilliant Earth
12160493A · Oct 31
£2,941 GBP
$3,940 USD
View
20 more retailers have this diamond
Prices start from £426 GBPSave up to £2,514 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
4.09ct Princess
£426 GBP