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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 $455 USD
As of October 30, 2026
Save $612 USD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,067 USD 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 $455 to $1,067, a $612 spread on the same certified stone. MOH London lists it at $1,067. 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
Color
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: $1,067 USD|Low: $358 USD|High: $2,270 USD|Avg: $1,328 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3$455 USD
Retailer 5$530 USD
Retailer 4$650 USD
Retailer 2$904 USD
MOH London$1,067 USD
Retailer 6$2,120 USD
Retailer 7$2,270 USD
Retailer 8$2,270 USD

11 data points across 8 retailers

5 retailers$455 USD to $1,067 USD

B+
Cheapest Retailer
-
$455 USD
A
Retailer 2
-
$530 USD
View
A
Retailer 3
-
$650 USD
View
B+
Retailer 4
-
$904 USD
View
Most Expensive
B+
MOH London
LG502150737 · Oct 29
$1,067 USD
£840 GBP
View
4 more retailers have this diamond
Prices start from $455 USDSave up to $612 USD

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
$455 USD