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Princess|Lab Grown|IGI

4.09ct G VS2 Princess Lab Grown Diamond

ID • G/VS2 • IGI LG650418486

Shape and cutting style on the report: Princess cut

Certificate IGI LG650418486

Diamond specifications and retailer prices

From £426 GBP
$571 USD
As of October 30, 2026
Save £2,358 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,784 GBP at Brilliant Earth · As of October 30, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650418486 or 650418486. Listed at 22 retailers as of October 30, 2026, with prices from £426 to £2,784, a £2,358 spread on the same certified stone. Brilliant Earth lists it at £2,784. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650418486
Dimensions8.71 × 8.70 × 6.08 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
8.71 mm8.70 mm4.09 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650418486
Side View
Table 72.0%Crown 45.7°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
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 30
Current: £2,784 GBP|Low: £385 GBP|High: £3,127 GBP|Avg: £1,159 GBP|-7.0%
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
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 31, 2026
Retailer 13£426 GBP
Retailer 2£478 GBP
Retailer 7£496 GBP
Retailer 12£502 GBP
Retailer 15£528 GBP
Retailer 3£627 GBP
Retailer 17£702 GBP
Retailer 16£765 GBP
Retailer 18£821 GBP
Retailer 14£830 GBP
Retailer 4£1,051 GBP
Retailer 11£1,183 GBP
Retailer 10£1,308 GBP
Retailer 5£1,535 GBP
Retailer 9£1,713 GBP
Retailer 6£1,822 GBP
Retailer 8£2,079 GBP
Brilliant Earth£2,784 GBP

33 data points across 18 retailers

22 retailers£426 GBP to £2,784 GBP

A
Cheapest Retailer
-
£426 GBP
$571 USD
A
Retailer 2
-
£478 GBP
$640 USD
View
A
Retailer 3
-
£496 GBP
$665 USD
View
Final sale: no returns
Retailer 4
-
£497 GBP
$666 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£502 GBP
View
A
Retailer 6
-
£528 GBP
$708 USD
View
A
Retailer 7
-
£627 GBP
$840 USD
View
B+
Retailer 8
-
£702 GBP
$940 USD
View
A
Retailer 9
-
£765 GBP
$1,025 USD
View
A
Retailer 10
-
£821 GBP
View
A
Retailer 11
-
£830 GBP
€1,059 EUR
View
B+
Retailer 12
-
£1,051 GBP
$1,408 USD
View
B+
Retailer 13
-
£1,183 GBP
$1,585 USD
View
B+
Retailer 14
-
£1,308 GBP
$1,752 USD
View
B+
Retailer 15
-
£1,404 GBP
View
B+
Retailer 16
-
£1,535 GBP
View
Retailer 17
-
£1,615 GBP
$2,164 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
£1,702 GBP
$2,281 USD
View
B+
Retailer 19
-
£1,713 GBP
$2,295 USD
View
B
Retailer 20
-
£1,822 GBP
$2,441 USD
View
B
Retailer 21
-
£2,079 GBP
View
Most Expensive
B
Brilliant Earth
12160498A · Oct 30
£2,784 GBP
$3,730 USD
View
21 more retailers have this diamond
Prices start from £426 GBPSave up to £2,358 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