Princess|Lab Grown|IGI

1.51ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG634405515

Shape and cutting style on the report: Princess cut

Certificate IGI LG634405515

Diamond specifications and retailer prices

From $336 USD
As of November 4, 2026
Save $1,329 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,665 USD at MOH London · As of November 5, 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 top-tier cut grade and certified by IGI LG634405515 or 634405515. Listed at 15 retailers as of November 4, 2026, with prices from $336 to $1,665, a $1,329 spread on the same certified stone. MOH London lists it at $1,665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634405515
Dimensions6.53 × 6.37 × 4.32 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.53 mm6.37 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634405515
Side View
Table 69.0%Crown 39.7°Girdle: THN-MEDPavilion 37.8°Culet: NoneDepth 67.8%

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: Nov 4
Current: $1,665 USD|Low: $323 USD|High: $1,689 USD|Avg: $871 USD|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 11$336 USD
Retailer 5$390 USD
Retailer 3$417 USD
Retailer 12$417 USD
Retailer 9$570 USD
Retailer 6$673 USD
Retailer 13$673 USD
Retailer 7$718 USD
Retailer 2$978 USD
Retailer 8$1,180 USD
Retailer 10$1,222 USD
Retailer 14$1,339 USD
Retailer 4$1,615 USD
MOH London$1,665 USD

33 data points across 14 retailers

15 retailers$336 USD to $1,665 USD

A
Cheapest Retailer
-
$336 USD
A
Retailer 2
-
$390 USD
View
A
Retailer 3
-
$417 USD
View
Retailer 4
-
$417 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$570 USD
View
B+
Retailer 6
-
$673 USD
View
B+
Retailer 7
-
$673 USD
View
B+
Retailer 8
-
$718 USD
View
B+
Retailer 9
-
$857 USD
View
B+
Retailer 10
-
$978 USD
View
B
Retailer 11
-
$1,180 USD
View
B
Retailer 12
-
$1,222 USD
View
B
Retailer 13
-
$1,339 USD
View
B
Retailer 14
-
$1,615 USD
View
Most Expensive
B
MOH London
LG634405515 · Nov 5
$1,665 USD
£1,311 GBP
View
14 more retailers have this diamond
Prices start from $336 USDSave up to $1,329 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
1.51ct Princess
$336 USD