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Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

VG • D/IF • IGI LG845656920

Shape and cutting style on the report: Princess cut

Certificate IGI LG845656920

Diamond specifications and retailer prices

From $1,440 NZD
As of November 4, 2026
Save $4,406 NZD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,846 NZD 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG845656920 or 845656920. Listed at 13 retailers as of November 4, 2026, with prices from $1,440 to $5,846, a $4,406 spread on the same certified stone. MOH London lists it at $5,846. 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
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845656920
Dimensions6.29 × 6.21 × 4.49 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm6.21 mm1.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845656920
Side View
Table 69.0%Crown 45.1°Girdle: THN-MEDPavilion 39.6°Culet: NoneDepth 72.3%

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: Nov 4
Current: $5,846 NZD|Low: $1,440 NZD|High: $5,896 NZD|Avg: $3,020 NZD|-0.8%
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
November 5, 2026
Retailer 13$1,440 NZD
Retailer 6$1,684 NZD
Retailer 11$1,724 NZD
Retailer 7$1,809 NZD
Retailer 12$2,138 NZD
Retailer 2$2,370 NZD
Retailer 4$2,375 NZD
Retailer 8$2,743 NZD
Retailer 10$3,678 NZD
Retailer 9$3,715 NZD
Retailer 5$4,921 NZD
Retailer 3$5,022 NZD
MOH London$5,846 NZD

15 data points across 13 retailers

13 retailers$1,440 NZD to $5,846 NZD

A
Cheapest Retailer
-
$1,440 NZD
Final sale: no returns
A
Retailer 2
-
$1,684 NZD
View
A
Retailer 3
-
$1,724 NZD
View
A
Retailer 4
-
$1,809 NZD
View
A
Retailer 5
-
$2,138 NZD
View
A
Retailer 6
-
$2,370 NZD
View
A
Retailer 7
-
$2,375 NZD
View
B+
Retailer 8
-
$2,743 NZD
View
B+
Retailer 9
-
$3,678 NZD
View
B
Retailer 10
-
$3,715 NZD
View
B
Retailer 11
-
$4,921 NZD
View
B
Retailer 12
-
$5,022 NZD
View
Most Expensive
B
MOH London
LG845656920 · Nov 5
$5,846 NZD
£2,595 GBP
View
12 more retailers have this diamond
Prices start from $1,440 NZDSave up to $4,406 NZD

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
$1,440 NZD