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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 €443 EUR
$497 USD
As of November 1, 2026
Save €1,046 EUR (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,489 EUR at Brilliant Earth · As of November 2, 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 1, 2026, with prices from €443 to €1,489, a €1,046 spread on the same certified stone. Brilliant Earth lists it at €1,489. 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 1
Current: €1,489 EUR|Low: €443 EUR|High: €1,534 EUR|Avg: €800 EUR|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5€443 EUR
Retailer 8€550 EUR
Retailer 6€560 EUR
Retailer 3€612 EUR
Retailer 7€641 EUR
Retailer 2€853 EUR
Retailer 4€1,378 EUR
Brilliant Earth€1,489 EUR

38 data points across 8 retailers

8 retailers€443 EUR to €1,489 EUR

A
Cheapest Retailer
-
€443 EUR
$497 USD
B+
Retailer 2
-
€560 EUR
$628 USD
View
B+
Retailer 3
-
€612 EUR
£541 GBP
View
B+
Retailer 4
-
€641 EUR
$719 USD
View
B
Retailer 5
-
€853 EUR
$957 USD
View
B
Retailer 6
-
€1,147 EUR
$1,286 USD
View
B
Retailer 7
-
€1,378 EUR
£1,217 GBP
View
Most Expensive
B
Brilliant Earth
8689633A · Nov 2
€1,489 EUR
$1,670 USD
View
7 more retailers have this diamond
Prices start from €443 EURSave up to €1,046 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
1.50ct Heart
€443 EUR