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Princess|Lab Grown|IGI

0.40ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG839695018

Shape and cutting style on the report: Princess cut

Certificate IGI LG839695018

Diamond specifications and retailer prices

From £120 GBP
$160 USD
As of October 28, 2026
Save £529 GBP (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £649 GBP at MOH London · As of October 29, 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 top-tier cut grade and certified by IGI LG839695018 or 839695018. Listed at 7 retailers as of October 28, 2026, with prices from £120 to £649, a £529 spread on the same certified stone. MOH London lists it at £649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839695018
Dimensions3.98 × 3.95 × 2.96 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
3.98 mm3.95 mm0.40 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839695018
Side View
Table 74.0%Crown 42°Girdle: MED-STKPavilion 41.9°CuletDepth 74.9%

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 28
Current: £649 GBP|Low: £120 GBP|High: £649 GBP|Avg: £276 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6£120 GBP
Retailer 2£166 GBP
Retailer 3£166 GBP
Retailer 4£226 GBP
Retailer 5£327 GBP
MOH London£649 GBP

16 data points across 6 retailers

7 retailers£120 GBP to £649 GBP

A
Cheapest Retailer
-
£120 GBP
$160 USD
A
Retailer 2
-
£166 GBP
View
A
Retailer 3
-
£166 GBP
€211 EUR
View
B+
Retailer 4
-
£226 GBP
View
B+
Retailer 5
-
£240 GBP
$320 USD
View
B
Retailer 6
-
£327 GBP
$436 USD
View
Most Expensive
B
MOH London
LG839695018 · Oct 29
£649 GBP
View
6 more retailers have this diamond
Prices start from £120 GBPSave up to £529 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
£120 GBP