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Princess|Lab Grown|IGI

0.51ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG841687947

Shape and cutting style on the report: Princess cut

Certificate IGI LG841687947

Diamond specifications and retailer prices

From $270 NZD
As of November 6, 2026
Save $1,178 NZD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,448 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct lab-grown princess diamond

This 0.51ct lab-grown princess sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841687947 or 841687947. Listed at 7 retailers as of November 4, 2026, with prices from $270 to $1,448, a $1,178 spread on the same certified stone. MOH London lists it at $1,448. 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

0.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841687947
Dimensions4.43 × 4.36 × 2.99 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.43 mm4.36 mm0.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG841687947
Side View
Table 70.0%Crown 42.7°Girdle: ThinPavilion 37.3°CuletDepth 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 6
Current: $1,448 NZD|Low: $270 NZD|High: $1,462 NZD|Avg: $579 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$270 NZD
Retailer 5$302 NZD
Retailer 2$363 NZD
Retailer 4$477 NZD
Retailer 3$498 NZD
Retailer 6$740 NZD
MOH London$1,448 NZD

24 data points across 7 retailers

7 retailers$270 NZD to $1,448 NZD

B+
Cheapest Retailer
-
$270 NZD
A
Retailer 2
-
$302 NZD
View
B+
Retailer 3
-
$363 NZD
View
B+
Retailer 4
-
$477 NZD
View
B+
Retailer 5
-
$498 NZD
View
B
Retailer 6
-
$740 NZD
View
Most Expensive
B
MOH London
LG841687947 · Nov 4
$1,448 NZD
£641 GBP
View
6 more retailers have this diamond
Prices start from $270 NZDSave up to $1,178 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
0.51ct Princess
$270 NZD