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 $684 USD
As of October 30, 2026
Save $3,724 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,408 USD 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 14 retailers as of October 30, 2026, with prices from $684 to $4,408, a $3,724 spread on the same certified stone. With Clarity lists it at $4,408. 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 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: $970 USD|Low: $684 USD|High: $5,060 USD|Avg: $1,942 USD
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
With Clarity
October 31, 2026
Retailer 9$684 USD
Retailer 2$793 USD
Retailer 3$865 USD
Retailer 10$899 USD
Retailer 1$970 USD
Retailer 6$1,038 USD
Retailer 13$1,225 USD
Retailer 11$1,270 USD
Retailer 8$1,291 USD
Retailer 5$2,614 USD
Retailer 12$2,736 USD
Retailer 4$3,106 USD
Retailer 7$3,780 USD
With Clarity$4,408 USD

3 data points across 14 retailers

14 retailers$684 USD to $4,408 USD

A
Cheapest Retailer
-
$684 USD
A
Retailer 2
-
$793 USD
View
A
Retailer 3
-
$865 USD
View
Final sale: no returns
A
Retailer 4
-
$899 USD
£708 GBP
View
A
Retailer 5
-
$970 USD
View
A
Retailer 6
-
$1,038 USD
View
B+
Retailer 7
-
$1,225 USD
View
B+
Retailer 8
-
$1,270 USD
£1,000 GBP
View
B+
Retailer 9
-
$1,291 USD
View
B
Retailer 10
-
$2,614 USD
View
B
Retailer 11
-
$2,736 USD
View
B
Retailer 12
-
$3,106 USD
SGD 4,197 SGD
View
B
Retailer 13
-
$3,780 USD
View
Most Expensive
B
With Clarity
830620135 · Oct 31
$4,408 USD
View
13 more retailers have this diamond
Prices start from $684 USDSave up to $3,724 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
$684 USD