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Princess|Lab Grown|IGI

0.51ct H SI1 Princess Lab Grown Diamond

ID • H/SI1 • IGI LG436073344

Shape and cutting style on the report: Princess cut

Certificate IGI LG436073344

Diamond specifications and retailer prices

From $541 NZD
$305 USD
As of November 2, 2026
Save $2,163 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,704 NZD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073344 or 436073344. Listed at 11 retailers as of October 29, 2026, with prices from $541 to $2,704, a $2,163 spread on the same certified stone. MOH London lists it at $2,704. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073344
Dimensions4.42 × 4.32 × 3.18 mm
L/W Ratio1.02
Culet sizePointed
Top View
4.42 mm4.32 mm0.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073344
Side View
Table 71.0%Crown 41°Girdle: MediumPavilion 40°Culet: NoneDepth 73.6%

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 2
Current: $2,704 NZD|Low: $520 NZD|High: $2,722 NZD|Avg: $1,222 NZD|-0.7%
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
Retailer 15
October 31, 2026
Retailer 10$541 NZD
Retailer 8$586 NZD
Retailer 3$607 NZD
Retailer 15$628 NZD
Retailer 11$671 NZD
Retailer 14$671 NZD
Retailer 7$946 NZD
Retailer 4$949 NZD
Retailer 12$1,095 NZD
Retailer 2$1,228 NZD
Retailer 5$1,320 NZD
Retailer 9$2,064 NZD
Retailer 13$2,158 NZD
Retailer 6$2,697 NZD
MOH London$2,704 NZD

24 data points across 15 retailers

11 retailers$541 NZD to $2,704 NZD

A
Cheapest Retailer
-
$541 NZD
$305 USD
A
Retailer 2
-
$586 NZD
$330 USD
View
A
Retailer 3
-
$607 NZD
$342 USD
View
Final sale: no returns
A
Retailer 4
-
$628 NZD
$354 USD
View
Retailer 5
-
$671 NZD
$378 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$671 NZD
$378 USD
View
B+
Retailer 7
-
$1,095 NZD
$617 USD
View
B
Retailer 8
-
$1,228 NZD
€659 EUR
View
B
Retailer 9
-
$2,064 NZD
$1,163 USD
View
B
Retailer 10
-
$2,158 NZD
$1,216 USD
View
Most Expensive
B
MOH London
LG436073344 · Oct 29
$2,704 NZD
£1,200 GBP
View
10 more retailers have this diamond
Prices start from $541 NZDSave up to $2,163 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
$541 NZD