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Heart|Lab Grown|IGI

4.54ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG836618379

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836618379

Diamond specifications and retailer prices

From $2,147 NZD
$1,208 USD
As of November 1, 2026
Save $2,871 NZD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,747 NZD at MOH London · As of October 19, 2026
View at MOH London

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 LG836618379 or 836618379. Listed at 5 retailers as of October 31, 2026, with a 134% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836618379
Dimensions11.25 × 10.06 × 6.99 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.25 mm10.06 mm4.54 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836618379
Side View
Table 61.0%Crown 36.8°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.1%

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: $5,747 NZD|Low: $2,147 NZD|High: $5,785 NZD|Avg: $3,749 NZD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$2,147 NZD
Retailer 2$2,333 NZD
Retailer 4$3,537 NZD
Retailer 5$5,018 NZD
MOH London$5,747 NZD

30 data points across 5 retailers

5 retailers$2,147 NZD to $5,018 NZD

B+
Cheapest Retailer
-
$2,147 NZD
$1,208 USD
A
Retailer 2
-
$2,333 NZD
£1,034 GBP
View
B+
Retailer 3
-
$3,537 NZD
$1,990 USD
View
B+
Retailer 4
-
$5,018 NZD
$2,824 USD
View
Most Expensive
MOH London
LG836618379 · Oct 19
$5,747 NZD
£2,546 GBP
View
Price last confirmed 14 days ago
4 more retailers have this diamond
Prices start from $2,147 NZDSave up to $2,871 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