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Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG595367647

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG595367647

Diamond specifications and retailer prices

From $497 USD
As of November 6, 2026
Save $1,173 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,670 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG595367647 or 595367647. Listed at 8 retailers as of November 4, 2026, with prices from $497 to $1,670, a $1,173 spread on the same certified stone. Brilliant Earth lists it at $1,670. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595367647
Dimensions7.80 × 6.79 × 4.64 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.80 mm6.79 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595367647
Side View
Table 55.0%Crown 35.5°Girdle: ThickPavilion 38.1°Culet: NoneDepth 59.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,670 USD|Low: $497 USD|High: $1,720 USD|Avg: $902 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$497 USD
Retailer 8$617 USD
Retailer 6$628 USD
Retailer 2$680 USD
Retailer 7$719 USD
Retailer 4$957 USD
Retailer 3$1,541 USD
Brilliant Earth$1,670 USD

40 data points across 8 retailers

8 retailers$497 USD to $1,670 USD

A
Cheapest Retailer
-
$497 USD
B+
Retailer 2
-
$628 USD
View
B+
Retailer 3
-
$680 USD
View
B+
Retailer 4
-
$719 USD
View
B
Retailer 5
-
$957 USD
View
B
Retailer 6
-
$1,286 USD
View
B
Retailer 7
-
$1,541 USD
View
Most Expensive
B
Brilliant Earth
8689633A · Nov 4
$1,670 USD
View
7 more retailers have this diamond
Prices start from $497 USDSave up to $1,173 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
1.50ct Heart
$497 USD