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Heart|Lab Grown|IGI

1.58ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG671487121

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG671487121

Diamond specifications and retailer prices

From $438 AUD
$308 USD
As of October 30, 2026
Save $1,604 AUD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,872 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG671487121 or 671487121. Listed at 18 retailers as of October 30, 2026, with a 366% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671487121
Dimensions7.02 × 8.19 × 4.86 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm8.19 mm1.58 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671487121
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.3%

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: Oct 30
Current: $3,872 AUD|Low: $438 AUD|High: $3,986 AUD|Avg: $1,278 AUD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 17$438 AUD
Retailer 6$480 AUD
Retailer 15$487 AUD
Retailer 16$517 AUD
Retailer 13$712 AUD
Retailer 3$803 AUD
Retailer 11$836 AUD
Retailer 2$854 AUD
Retailer 8$968 AUD
Retailer 7$969 AUD
Retailer 10$1,131 AUD
Retailer 14$1,495 AUD
Retailer 9$1,636 AUD
Retailer 5$1,871 AUD
Retailer 12$1,953 AUD
Retailer 4$2,043 AUD
Brilliant Earth$3,872 AUD

34 data points across 17 retailers

18 retailers$438 AUD to $2,043 AUD

A
Cheapest Retailer
-
$438 AUD
$308 USD
Final sale: no returns
Retailer 2
-
$480 AUD
$337 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$487 AUD
$342 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$487 AUD
$342 USD
View
Retailer 5
-
$517 AUD
£286 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$712 AUD
$500 USD
View
A
Retailer 7
-
$803 AUD
$564 USD
View
A
Retailer 8
-
$836 AUD
ZAR 9,485 ZAR
View
A
Retailer 9
-
$854 AUD
£473 GBP
View
B+
Retailer 10
-
$968 AUD
$680 USD
View
B+
Retailer 11
-
$969 AUD
$681 USD
View
B+
Retailer 12
-
$1,131 AUD
View
B
Retailer 13
-
$1,495 AUD
$1,050 USD
View
B
Retailer 14
-
$1,636 AUD
$1,149 USD
View
B
Retailer 15
-
$1,871 AUD
$1,314 USD
View
B+
Retailer 16
-
$1,953 AUD
£1,080 GBP
View
B
Retailer 17
-
$2,043 AUD
$1,435 USD
View
Most Expensive
Brilliant Earth
12892121A · Oct 16
$3,872 AUD
$2,720 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from $438 AUDSave up to $1,604 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
1.58ct Heart
$438 AUD