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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 €612 EUR
$684 USD
As of October 30, 2026
Save €3,333 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,946 EUR 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 €612 to €3,946, a €3,333 spread on the same certified stone. With Clarity lists it at €3,946. 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: €666 EUR|Low: €612 EUR|High: €4,529 EUR|Avg: €1,720 EUR
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€612 EUR
Retailer 1€666 EUR
Retailer 5€710 EUR
Retailer 6€774 EUR
Retailer 10€803 EUR
Retailer 13€868 EUR
Retailer 14€929 EUR
Retailer 4€1,096 EUR
Retailer 12€1,137 EUR
Retailer 16€1,156 EUR
Retailer 11€1,996 EUR
Retailer 8€2,340 EUR
Retailer 3€2,449 EUR
Retailer 7€2,780 EUR
Retailer 9€2,991 EUR
Retailer 15€3,383 EUR
With Clarity€3,946 EUR

4 data points across 17 retailers

17 retailers€612 EUR to €3,946 EUR

A
Cheapest Retailer
-
€612 EUR
$684 USD
A
Retailer 2
-
€666 EUR
$744 USD
View
A
Retailer 3
-
€710 EUR
$793 USD
View
A
Retailer 4
-
€774 EUR
$865 USD
View
Final sale: no returns
A
Retailer 5
-
€803 EUR
£706 GBP
View
A
Retailer 6
-
€868 EUR
$970 USD
View
A
Retailer 7
-
€929 EUR
$1,038 USD
View
B+
Retailer 8
-
€1,096 EUR
$1,225 USD
View
B+
Retailer 9
-
€1,137 EUR
£1,000 GBP
View
B+
Retailer 10
-
€1,156 EUR
$1,291 USD
View
B
Retailer 11
-
€1,996 EUR
$2,230 USD
View
B
Retailer 12
-
€2,340 EUR
$2,614 USD
View
B
Retailer 13
-
€2,449 EUR
$2,736 USD
View
B
Retailer 14
-
€2,780 EUR
SGD 4,197 SGD
View
B
Retailer 15
-
€2,991 EUR
£2,631 GBP
View
B
Retailer 16
-
€3,383 EUR
$3,780 USD
View
Most Expensive
B
With Clarity
830620135 · Oct 31
€3,946 EUR
$4,408 USD
View
16 more retailers have this diamond
Prices start from €612 EURSave up to €3,333 EUR

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
€612 EUR