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Princess|Lab Grown|IGI

4.09ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG749589421

Shape and cutting style on the report: Princess cut

Certificate IGI LG749589421

Diamond specifications and retailer prices

From £1,388 GBP
CA$2,583 CAD
As of October 30, 2026
Save £614 GBP (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,006 GBP at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

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 LG749589421 or 749589421. Listed at 3 retailers as of October 30, 2026, with a 44% 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

4.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749589421
Dimensions8.67 × 8.61 mm
L/W Ratio1.01
Culet sizePointed
Top View
8.67 mm8.61 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749589421
Side View
Table 68.0%Crown 45.2°Girdle: Slightly ThickPavilion 38°Culet: NoneDepth 71.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,006 GBP|Low: £676 GBP|High: £3,617 GBP|Avg: £1,585 GBP|+12.6%
Novita Diamonds
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
August 3, 2026
Retailer 7£721 GBP
Retailer 6£739 GBP
Retailer 10£804 GBP
Retailer 14£841 GBP
Retailer 3£966 GBP
Retailer 13£1,081 GBP
Retailer 9£1,163 GBP
Retailer 11£1,388 GBP
Retailer 12£1,652 GBP
Retailer 4£1,817 GBP
Retailer 2£2,002 GBP
Novita Diamonds£2,006 GBP
Retailer 5£2,834 GBP
Retailer 15£3,120 GBP
Retailer 8£3,288 GBP

58 data points across 15 retailers

3 retailers£1,388 GBP to £2,002 GBP

B+
Cheapest Retailer
-
£1,388 GBP
CA$2,583 CAD
B
Retailer 2
-
£2,002 GBP
$2,683 USD
View
Most Expensive
Novita Diamonds
cert_749589421 · Jul 4
£2,006 GBP
A$4,136 AUD
View
Price last confirmed 121 days ago
2 more retailers have this diamond
Prices start from £1,388 GBPSave up to £614 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
£1,388 GBP