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Heart|Lab Grown|IGI

4.19ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG694554157

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694554157

Diamond specifications and retailer prices

From $726 USD
As of November 6, 2026
Save $568 USD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,240 USD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 4.19ct lab-grown heart diamond

This 4.19ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694554157 or 694554157. Listed at 6 retailers as of November 6, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.19
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694554157
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm4.19 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694554157
Side View
Table 63.0%Crown 36.8°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 55.2%

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: Nov 6
Current: $6,240 USD|Low: $725 USD|High: $6,430 USD|Avg: $2,453 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$726 USD
Retailer 5$970 USD
Retailer 4$1,251 USD
Retailer 2$1,288 USD
Retailer 6$1,294 USD
Retailer 7$1,313 USD
Retailer 8$1,773 USD
Brilliant Earth$6,240 USD

10 data points across 8 retailers

6 retailers$726 USD to $1,294 USD

A
Cheapest Retailer
-
$726 USD
B+
Retailer 2
-
$970 USD
View
B+
Retailer 3
-
$1,251 USD
View
B+
Retailer 4
-
$1,288 USD
View
B+
Retailer 5
-
$1,294 USD
View
Most Expensive
Brilliant Earth
15816477A · Oct 18
$6,240 USD
View
Price under review
5 more retailers have this diamond
Prices start from $726 USDSave up to $568 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
4.19ct Heart
$726 USD