Princess|Lab Grown|IGI

1.51ct H VS1 Princess Lab Grown Diamond

VG • H/VS1 • IGI LG644479922

Shape and cutting style on the report: Princess cut

Certificate IGI LG644479922

Diamond specifications and retailer prices

From €340 EUR
$380 USD
As of October 30, 2026
Save €636 EUR (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €976 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG644479922 or 644479922. Listed at 7 retailers as of October 30, 2026, with prices from €340 to €976, a €636 spread on the same certified stone. MOH London lists it at €976. 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

1.51
Carat
H
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644479922
Dimensions6.12 × 6.11 × 4.59 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.12 mm6.11 mm1.51 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG644479922
Side View
Table 68.0%Crown 42.6°Girdle: MediumPavilion 39.6°Culet: NoneDepth 75.1%

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: €976 EUR|Low: €340 EUR|High: €988 EUR|Avg: €656 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5€340 EUR
Retailer 3€383 EUR
Retailer 4€450 EUR
Retailer 8€465 EUR
Retailer 2€747 EUR
Retailer 6€937 EUR
Retailer 7€946 EUR
MOH London€976 EUR

12 data points across 8 retailers

7 retailers€340 EUR to €976 EUR

A
Cheapest Retailer
-
€340 EUR
$380 USD
B+
Retailer 2
-
€383 EUR
$428 USD
View
B+
Retailer 3
-
€450 EUR
$503 USD
View
B+
Retailer 4
-
€747 EUR
$835 USD
View
Retailer 5
-
€779 EUR
$870 USD
View
Price last confirmed 83 days ago
B
Retailer 6
-
€937 EUR
$1,047 USD
View
Most Expensive
B
MOH London
LG644479922 · Nov 1
€976 EUR
£859 GBP
View
6 more retailers have this diamond
Prices start from €340 EURSave up to €636 EUR

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
1.51ct Princess
€340 EUR