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Princess|Lab Grown|IGI

0.40ct D VS1 Princess Lab Grown Diamond

VG • D/VS1 • IGI LG847691186

Shape and cutting style on the report: Princess cut

Certificate IGI LG847691186

Diamond specifications and retailer prices

From £156 GBP
$208 USD
As of October 30, 2026
Save £767 GBP (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £923 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.4ct lab-grown princess diamond

This 0.4ct lab-grown princess sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG847691186 or 847691186. Listed at 6 retailers as of October 26, 2026, with prices from £156 to £923, a £767 spread on the same certified stone. MOH London lists it at £923. 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

0.40
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847691186
Dimensions4.05 × 3.96 × 2.89 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.05 mm3.96 mm0.40 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847691186
Side View
Table 69.0%Crown 41.1°Girdle: MED-STKPavilion 39°CuletDepth 73.0%

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 30
Current: £923 GBP|Low: £156 GBP|High: £923 GBP|Avg: £374 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5£156 GBP
Retailer 3£199 GBP
Retailer 2£227 GBP
Retailer 4£284 GBP
Retailer 6£398 GBP
MOH London£923 GBP

6 data points across 6 retailers

6 retailers£156 GBP to £923 GBP

A
Cheapest Retailer
-
£156 GBP
$208 USD
B+
Retailer 2
-
£199 GBP
€252 EUR
View
B+
Retailer 3
-
£227 GBP
View
B+
Retailer 4
-
£284 GBP
View
B
Retailer 5
-
£398 GBP
$530 USD
View
Most Expensive
B
MOH London
LG847691186 · Oct 26
£923 GBP
View
5 more retailers have this diamond
Prices start from £156 GBPSave up to £767 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
0.40ct Princess
£156 GBP