Heart|Lab Grown|IGI

4.09ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG715586778

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG715586778

Diamond specifications and retailer prices

From $675 AUD
$474 USD
As of October 30, 2026
Save $2,016 AUD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,691 AUD at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 4.09ct lab-grown heart diamond

This 4.09ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG715586778 or 715586778. Listed at 11 retailers as of October 29, 2026, with prices from $675 to $2,691, a $2,016 spread on the same certified stone. NZ Jewellers lists it at $2,691. 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

4.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715586778
Dimensions10.10 × 11.39 × 6.25 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.10 mm11.39 mm4.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715586778
Side View
Table 63.0%Crown 34°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 54.9%

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: $2,691 AUD|Low: $675 AUD|High: $9,609 AUD|Avg: $2,164 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 3$675 AUD
Retailer 2$701 AUD
Retailer 13$756 AUD
Retailer 7$837 AUD
Retailer 10$929 AUD
Retailer 8$1,039 AUD
Retailer 12$1,305 AUD
Retailer 9$1,325 AUD
Retailer 6$1,389 AUD
Retailer 4$1,928 AUD
Retailer 11$2,022 AUD
NZ Jewellers$2,691 AUD
Retailer 5$9,609 AUD

4 data points across 13 retailers

11 retailers$675 AUD to $2,691 AUD

A
Cheapest Retailer
-
$675 AUD
$474 USD
A
Retailer 2
-
$701 AUD
£388 GBP
View
A
Retailer 3
-
$756 AUD
$531 USD
View
A
Retailer 4
-
$837 AUD
$588 USD
View
A
Retailer 5
-
$929 AUD
HK$5,100 HKD
View
A
Retailer 6
-
$1,039 AUD
$730 USD
View
B+
Retailer 7
-
$1,305 AUD
$917 USD
View
B+
Retailer 8
-
$1,325 AUD
$931 USD
View
B+
Retailer 9
-
$1,389 AUD
£768 GBP
View
B
Retailer 10
-
$2,022 AUD
$1,420 USD
View
Most Expensive
B
NZ Jewellers
dfef6dcb-7db5-4b81-9bbe-af8b7300ad88 · Oct 29
$2,691 AUD
$1,890 USD
View
10 more retailers have this diamond
Prices start from $675 AUDSave up to $2,016 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
4.09ct Heart
$675 AUD