Heart|Lab Grown|IGI

1.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG830628658

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830628658

Diamond specifications and retailer prices

From $589 USD
As of October 30, 2026
Save $4,641 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,230 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG830628658 or 830628658. Listed at 11 retailers as of October 30, 2026, with prices from $589 to $5,230, a $4,641 spread on the same certified stone. Do Amore Diamonds lists it at $5,230. 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830628658
Dimensions8.41 × 7.00 × 4.73 mm
L/W Ratio1.20
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
8.41 mm7.00 mm1.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830628658
Side View
Table 65.0%Crown 33.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 56.2%

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: $5,230 USD|Low: $589 USD|High: $7,530 USD|Avg: $2,341 USD|-30.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$589 USD
Retailer 9$660 USD
Retailer 10$880 USD
Retailer 11$947 USD
Retailer 6$1,122 USD
Retailer 7$1,813 USD
Retailer 8$2,121 USD
Retailer 3$2,259 USD
Retailer 2$3,179 USD
Retailer 4$3,510 USD
Do Amore Diamonds$5,230 USD

22 data points across 11 retailers

11 retailers$589 USD to $5,230 USD

A
Cheapest Retailer
-
$589 USD
A
Retailer 2
-
$660 USD
View
A
Retailer 3
-
$880 USD
View
A
Retailer 4
-
$947 USD
View
A
Retailer 5
-
$1,122 USD
View
B+
Retailer 6
-
$1,813 USD
View
B+
Retailer 7
-
$2,121 USD
View
B+
Retailer 8
-
$2,259 USD
View
B
Retailer 9
-
$3,179 USD
£2,503 GBP
View
B
Retailer 10
-
$3,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-EA431941C · Oct 31
$5,230 USD
View
10 more retailers have this diamond
Prices start from $589 USDSave up to $4,641 USD

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
$589 USD