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Princess|Lab Grown|IGI

4.09ct D VS2 Princess Lab Grown Diamond

VG • D/VS2 • IGI LG821641090

Shape and cutting style on the report: Princess cut

Certificate IGI LG821641090

Diamond specifications and retailer prices

From £1,017 GBP
€1,298 EUR
As of October 29, 2026
Save £1,521 GBP (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,538 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 4.09ct lab-grown princess diamond

This 4.09ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG821641090 or 821641090. Listed at 5 retailers as of October 26, 2026, with prices from £1,017 to £2,538, a £1,521 spread on the same certified stone. MOH London lists it at £2,538. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821641090
Dimensions8.51 × 8.50 × 6.21 mm
L/W Ratio1.00
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.51 mm8.50 mm4.09 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821641090
Side View
Table 70.0%Crown 45.8°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 73.1%

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: Oct 29
Current: £2,538 GBP|Low: £1,014 GBP|High: £2,549 GBP|Avg: £1,446 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3£1,017 GBP
Retailer 5£1,019 GBP
Retailer 2£1,034 GBP
Retailer 4£1,468 GBP
MOH London£2,538 GBP

11 data points across 5 retailers

5 retailers£1,017 GBP to £2,538 GBP

A
Cheapest Retailer
-
£1,017 GBP
€1,298 EUR
A
Retailer 2
-
£1,019 GBP
View
A
Retailer 3
-
£1,034 GBP
$1,386 USD
View
B+
Retailer 4
-
£1,468 GBP
$1,967 USD
View
Most Expensive
B
MOH London
LG821641090 · Oct 26
£2,538 GBP
View
4 more retailers have this diamond
Prices start from £1,017 GBPSave up to £1,521 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
£1,017 GBP