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Princess|Lab Grown|IGI

1.51ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG447001296

Shape and cutting style on the report: Princess cut

Certificate IGI LG447001296

Diamond specifications and retailer prices

From $1,548 NZD
As of November 4, 2026
Save $7,101 NZD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,648 NZD at MOH London · As of November 3, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001296 or 447001296. Listed at 10 retailers as of November 3, 2026, with prices from $1,548 to $8,648, a $7,101 spread on the same certified stone. MOH London lists it at $8,648. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001296
Dimensions6.42 × 6.15 × 4.22 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
undefined
Top View
6.42 mm6.15 mm1.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001296
Side View
Table 73.0%Crown 50.6°Girdle: Slightly ThickPavilion 36.6°Culet: NoneDepth 68.6%

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: $8,648 NZD|Low: $1,548 NZD|High: $8,752 NZD|Avg: $4,308 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2$1,548 NZD
Retailer 3$2,320 NZD
Retailer 5$2,997 NZD
Retailer 7$3,707 NZD
Retailer 4$4,257 NZD
Retailer 6$5,016 NZD
MOH London$8,648 NZD

11 data points across 7 retailers

10 retailers$1,548 NZD to $8,648 NZD

A
Cheapest Retailer
-
$1,548 NZD
B+
Retailer 2
-
$2,320 NZD
View
B+
Retailer 3
-
$2,524 NZD
View
B
Retailer 4
-
$2,691 NZD
View
Retailer 5
-
$2,691 NZD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,997 NZD
View
B
Retailer 7
-
$4,257 NZD
View
B
Retailer 8
-
$5,016 NZD
View
B
Retailer 9
-
$5,045 NZD
View
Most Expensive
B
MOH London
LG447001296 · Nov 3
$8,648 NZD
£3,828 GBP
View
9 more retailers have this diamond
Prices start from $1,548 NZDSave up to $7,101 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
$1,548 NZD