Princess|Lab Grown|IGI

4.09ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG768627297

Shape and cutting style on the report: Princess cut

Certificate IGI LG768627297

Diamond specifications and retailer prices

From £1,405 GBP
CA$2,614 CAD
As of October 30, 2026
Save £622 GBP (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,027 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 4.09ct lab-grown princess diamond

This 4.09ct lab-grown princess 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 LG768627297 or 768627297. Listed at 3 retailers as of October 30, 2026, with prices from £1,405 to £2,027, a £622 spread on the same certified stone. The Diamond Guys lists it at £2,027. 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768627297
Dimensions8.76 × 8.59 mm
L/W Ratio1.02
Culet sizePointed
Top View
8.76 mm8.59 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768627297
Side View
Table 70.0%Crown 43.7°Girdle: Slightly ThickPavilion 37.9°Culet: NoneDepth 71.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £1,163 GBP|Low: £541 GBP|High: £6,000 GBP|Avg: £1,636 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
The Diamond Guys
August 3, 2026
Retailer 13£541 GBP
Retailer 6£721 GBP
Retailer 10£805 GBP
Retailer 2£841 GBP
Retailer 5£966 GBP
Retailer 14£1,081 GBP
Retailer 1£1,163 GBP
Retailer 11£1,405 GBP
Retailer 12£1,652 GBP
Retailer 7£2,006 GBP
The Diamond Guys£2,027 GBP
Retailer 4£2,834 GBP
Retailer 3£3,120 GBP
Retailer 8£3,289 GBP
Retailer 9£6,000 GBP

62 data points across 15 retailers

3 retailers£1,405 GBP to £2,027 GBP

B+
Cheapest Retailer
-
£1,405 GBP
CA$2,614 CAD
Retailer 2
-
£2,006 GBP
A$4,136 AUD
View
Price last confirmed 121 days ago
Most Expensive
B
The Diamond Guys
1951066568 · Nov 1
£2,027 GBP
$2,716 USD
View
2 more retailers have this diamond
Prices start from £1,405 GBPSave up to £622 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.

B+
4.09ct Princess
£1,405 GBP