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Heart|Lab Grown|IGI

1.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836620977

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620977

Diamond specifications and retailer prices

From $684 USD
As of October 27, 2026
Save $4,376 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,060 USD at Brilliant Earth · As of October 28, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620977 or 836620977. Listed at 18 retailers as of October 27, 2026, with prices from $684 to $5,060, a $4,376 spread on the same certified stone. Brilliant Earth lists it at $5,060. 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 angle37.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620977
Dimensions6.99 × 8.01 × 4.77 mm
L/W Ratio1.15
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
6.99 mm8.01 mm1.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620977
Side View
Table 58.0%Crown 37.7°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 59.6%

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 27
Current: $5,060 USD|Low: $684 USD|High: $5,220 USD|Avg: $2,343 USD|-3.1%
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 6$684 USD
Retailer 17$744 USD
Retailer 14$793 USD
Retailer 4$865 USD
Retailer 12$970 USD
Retailer 16$1,225 USD
Retailer 2$1,270 USD
Retailer 13$1,291 USD
Retailer 11$1,458 USD
Retailer 8$1,781 USD
Retailer 15$2,230 USD
Retailer 7$2,614 USD
Retailer 3$2,736 USD
Retailer 9$3,106 USD
Retailer 10$3,359 USD
Retailer 5$4,408 USD
Brilliant Earth$5,060 USD

38 data points across 17 retailers

18 retailers$684 USD to $5,060 USD

A
Cheapest Retailer
-
$684 USD
A
Retailer 2
-
$744 USD
View
A
Retailer 3
-
$793 USD
View
Retailer 4
-
$821 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$865 USD
View
Final sale: no returns
A
Retailer 6
-
$970 USD
View
A
Retailer 7
-
$1,225 USD
View
A
Retailer 8
-
$1,270 USD
£1,000 GBP
View
B+
Retailer 9
-
$1,291 USD
View
B+
Retailer 10
-
$1,458 USD
ZAR 23,555 ZAR
View
B+
Retailer 11
-
$1,781 USD
View
B+
Retailer 12
-
$2,230 USD
View
B+
Retailer 13
-
$2,614 USD
View
B
Retailer 14
-
$2,736 USD
View
B
Retailer 15
-
$3,106 USD
SGD 4,197 SGD
View
B
Retailer 16
-
$3,359 USD
£2,645 GBP
View
B
Retailer 17
-
$4,408 USD
View
Most Expensive
B
Brilliant Earth
21590137A · Oct 28
$5,060 USD
View
17 more retailers have this diamond
Prices start from $684 USDSave up to $4,376 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