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Princess|Lab Grown|IGI

1.51ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • IGI LG814633215

Shape and cutting style on the report: Princess cut

Certificate IGI LG814633215

Diamond specifications and retailer prices

From $545 NZD
As of November 6, 2026
Save $1,341 NZD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,885 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG814633215 or 814633215. Listed at 8 retailers as of November 5, 2026, with prices from $545 to $1,885, a $1,341 spread on the same certified stone. MOH London lists it at $1,885. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.9°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814633215
Dimensions6.34 × 6.01 × 4.44 mm
L/W Ratio1.05
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.34 mm6.01 mm1.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG814633215
Side View
Table 71.0%Crown 44.9°Girdle: ThickPavilion 36.9°Culet: NoneDepth 73.9%

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 6
Current: $1,885 NZD|Low: $545 NZD|High: $1,938 NZD|Avg: $1,084 NZD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$545 NZD
Retailer 3$696 NZD
Retailer 4$729 NZD
Retailer 2$823 NZD
Retailer 6$1,008 NZD
Retailer 7$1,396 NZD
Retailer 8$1,528 NZD
MOH London$1,885 NZD

19 data points across 8 retailers

8 retailers$545 NZD to $1,885 NZD

B+
Cheapest Retailer
-
$545 NZD
Retailer 2
-
$696 NZD
View
Price last confirmed 9 days ago
Retailer 3
-
$729 NZD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$823 NZD
View
B+
Retailer 5
-
$1,008 NZD
View
B
Retailer 6
-
$1,396 NZD
View
Retailer 7
-
$1,528 NZD
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
LG814633215 · Nov 5
$1,885 NZD
£823 GBP
View
7 more retailers have this diamond
Prices start from $545 NZDSave up to $1,341 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
$545 NZD