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Princess|Lab Grown|IGI

4.51ct H VVS2 Princess Lab Grown Diamond

EX • H/VVS2 • IGI LG574351211

Shape and cutting style on the report: Princess cut

Certificate IGI LG574351211

Diamond specifications and retailer prices

From $3,098 NZD
$1,746 USD
As of November 1, 2026
Save $5,951 NZD (66%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $9,049 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.51ct lab-grown princess diamond

This 4.51ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG574351211 or 574351211. Listed at 5 retailers as of October 31, 2026, with prices from $3,098 to $9,049, a $5,951 spread on the same certified stone. Taylor and Hart lists it at $9,049. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574351211
Dimensions8.89 × 8.72 × 6.41 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.89 mm8.72 mm4.51 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574351211
Side View
Table 68.0%Crown 44.9°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 73.5%

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 1
Current: $8,288 NZD|Low: $2,769 NZD|High: $9,049 NZD|Avg: $4,728 NZD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 1, 2026
Retailer 5$2,769 NZD
Retailer 6$2,883 NZD
Retailer 3$3,098 NZD
Retailer 4$3,492 NZD
Retailer 2$4,088 NZD
Retailer 1$8,288 NZD
Taylor and Hart$9,049 NZD

6 data points across 7 retailers

5 retailers$3,098 NZD to $9,049 NZD

A
Cheapest Retailer
-
$3,098 NZD
$1,746 USD
B+
Retailer 2
-
$3,492 NZD
$1,968 USD
View
B+
Retailer 3
-
$4,088 NZD
$2,304 USD
View
B
Retailer 4
-
$8,288 NZD
£3,678 GBP
View
Most Expensive
B
Taylor and Hart
FBBKK7J · Oct 31
$9,049 NZD
$5,100 USD
View
4 more retailers have this diamond
Prices start from $3,098 NZDSave up to $5,951 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
4.51ct Princess
$3,098 NZD