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 $1,720 AUD
$1,208 USD
As of October 30, 2026
Save $2,300 AUD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,603 AUD 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 30, 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: Oct 30
Current: $4,603 AUD|Low: $1,720 AUD|High: $4,634 AUD|Avg: $3,003 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$1,720 AUD
Retailer 2$1,869 AUD
Retailer 4$2,833 AUD
Retailer 5$4,020 AUD
MOH London$4,603 AUD

27 data points across 5 retailers

5 retailers$1,720 AUD to $4,020 AUD

B+
Cheapest Retailer
-
$1,720 AUD
$1,208 USD
A
Retailer 2
-
$1,869 AUD
£1,034 GBP
View
B+
Retailer 3
-
$2,833 AUD
$1,990 USD
View
B+
Retailer 4
-
$4,020 AUD
$2,824 USD
View
Most Expensive
MOH London
LG836618379 · Oct 19
$4,603 AUD
£2,546 GBP
View
Price last confirmed 12 days ago
4 more retailers have this diamond
Prices start from $1,720 AUDSave up to $2,300 AUD

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
$1,720 AUD