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Heart|Lab Grown|IGI

1.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG830620135

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830620135

Diamond specifications and retailer prices

From $974 AUD
$684 USD
As of October 30, 2026
Save $5,301 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,275 AUD at With Clarity · As of October 31, 2026
View at With Clarity

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620135 or 830620135. Listed at 17 retailers as of October 30, 2026, with prices from $974 to $6,275, a $5,301 spread on the same certified stone. With Clarity lists it at $6,275. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620135
Dimensions7.20 × 8.07 × 4.56 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.20 mm8.07 mm1.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620135
Side View
Table 57.0%Crown 38.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 56.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,059 AUD|Low: $974 AUD|High: $7,203 AUD|Avg: $2,736 AUD
Retailer 1
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
With Clarity
November 1, 2026
Retailer 2$974 AUD
Retailer 1$1,059 AUD
Retailer 5$1,129 AUD
Retailer 6$1,231 AUD
Retailer 10$1,276 AUD
Retailer 13$1,381 AUD
Retailer 14$1,478 AUD
Retailer 4$1,744 AUD
Retailer 12$1,808 AUD
Retailer 16$1,838 AUD
Retailer 11$3,175 AUD
Retailer 8$3,721 AUD
Retailer 3$3,895 AUD
Retailer 7$4,421 AUD
Retailer 9$4,757 AUD
Retailer 15$5,381 AUD
With Clarity$6,275 AUD

4 data points across 17 retailers

17 retailers$974 AUD to $6,275 AUD

A
Cheapest Retailer
-
$974 AUD
$684 USD
A
Retailer 2
-
$1,059 AUD
$744 USD
View
A
Retailer 3
-
$1,129 AUD
$793 USD
View
A
Retailer 4
-
$1,231 AUD
$865 USD
View
Final sale: no returns
A
Retailer 5
-
$1,276 AUD
£706 GBP
View
A
Retailer 6
-
$1,381 AUD
$970 USD
View
A
Retailer 7
-
$1,478 AUD
$1,038 USD
View
B+
Retailer 8
-
$1,744 AUD
$1,225 USD
View
B+
Retailer 9
-
$1,808 AUD
£1,000 GBP
View
B+
Retailer 10
-
$1,838 AUD
$1,291 USD
View
B
Retailer 11
-
$3,175 AUD
$2,230 USD
View
B
Retailer 12
-
$3,721 AUD
$2,614 USD
View
B
Retailer 13
-
$3,895 AUD
$2,736 USD
View
B
Retailer 14
-
$4,421 AUD
SGD 4,197 SGD
View
B
Retailer 15
-
$4,757 AUD
£2,631 GBP
View
B
Retailer 16
-
$5,381 AUD
$3,780 USD
View
Most Expensive
B
With Clarity
830620135 · Oct 31
$6,275 AUD
$4,408 USD
View
16 more retailers have this diamond
Prices start from $974 AUDSave up to $5,301 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
$974 AUD