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Heart|Lab Grown|IGI

4.54ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG775639558

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG775639558

Diamond specifications and retailer prices

From $2,147 NZD
$1,208 USD
As of November 1, 2026
Save $3,737 NZD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,379 NZD at Novita Diamonds · As of October 5, 2026
View at Novita Diamonds

About this 4.54ct lab-grown heart diamond

This 4.54ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG775639558 or 775639558. Listed at 8 retailers as of November 1, 2026, with a 174% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.54
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775639558
Dimensions10.34 × 11.37 × 6.51 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.34 mm11.37 mm4.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775639558
Side View
Table 58.0%Crown 37.7°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 57.3%

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: $6,379 NZD|Low: $2,147 NZD|High: $6,379 NZD|Avg: $3,670 NZD|+0.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$2,147 NZD
Retailer 6$2,271 NZD
Retailer 4$2,336 NZD
Retailer 3$2,405 NZD
Retailer 8$3,551 NZD
Retailer 7$5,166 NZD
Retailer 2$5,884 NZD
Novita Diamonds$6,379 NZD

39 data points across 8 retailers

8 retailers$2,147 NZD to $5,884 NZD

B+
Cheapest Retailer
-
$2,147 NZD
$1,208 USD
A
Retailer 2
-
$2,271 NZD
$1,278 USD
View
A
Retailer 3
-
$2,336 NZD
€1,252 EUR
View
A
Retailer 4
-
$2,405 NZD
£1,065 GBP
View
B+
Retailer 5
-
$3,551 NZD
$1,998 USD
View
B+
Retailer 6
-
$5,166 NZD
$2,907 USD
View
B
Retailer 7
-
$5,884 NZD
£2,607 GBP
View
Most Expensive
Novita Diamonds
cert_775639558 · Oct 5
$6,379 NZD
A$5,522 AUD
View
Price last confirmed 28 days ago
7 more retailers have this diamond
Prices start from $2,147 NZDSave up to $3,737 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
4.54ct Heart
$2,147 NZD