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Princess|Lab Grown|IGI

1.78ct H VVS2 Princess Lab Grown Diamond

ID • H/VVS2 • IGI LG502150737

Shape and cutting style on the report: Princess cut

Certificate IGI LG502150737

Diamond specifications and retailer prices

From £340 GBP
$455 USD
As of October 30, 2026
Save £457 GBP (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £796 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.78ct lab-grown princess diamond

This 1.78ct lab-grown princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG502150737 or 502150737. Listed at 5 retailers as of October 29, 2026, with prices from £340 to £796, a £457 spread on the same certified stone. MOH London lists it at £796. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502150737
Dimensions6.65 × 6.53 × 4.71 mm
L/W Ratio1.02
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.65 mm6.53 mm1.78 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502150737
Side View
Table 71.0%Crown 40.1°Girdle: MediumPavilion 39.8°Culet: NoneDepth 72.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £796 GBP|Low: £267 GBP|High: £1,694 GBP|Avg: £991 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£340 GBP
Retailer 5£396 GBP
Retailer 4£485 GBP
Retailer 2£675 GBP
MOH London£796 GBP
Retailer 6£1,582 GBP
Retailer 7£1,694 GBP
Retailer 8£1,694 GBP

11 data points across 8 retailers

5 retailers£340 GBP to £796 GBP

B+
Cheapest Retailer
-
£340 GBP
$455 USD
A
Retailer 2
-
£396 GBP
$530 USD
View
A
Retailer 3
-
£485 GBP
$650 USD
View
B+
Retailer 4
-
£675 GBP
$904 USD
View
Most Expensive
B+
MOH London
LG502150737 · Oct 29
£796 GBP
View
4 more retailers have this diamond
Prices start from £340 GBPSave up to £457 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
1.78ct Princess
£340 GBP