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Heart|Lab Grown|IGI

5.27ct F SI1 Heart Lab Grown Diamond

EX • F/SI1 • IGI LG841654858

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841654858

Diamond specifications and retailer prices

From $726 USD
As of November 1, 2026
Save $3,424 USD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,150 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.27ct lab-grown heart diamond

This 5.27ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841654858 or 841654858. Listed at 3 retailers as of November 1, 2026, with prices from $726 to $4,150, a $3,424 spread on the same certified stone. Brilliant Earth lists it at $4,150. 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

5.27
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841654858
Dimensions11.22 × 12.22 × 6.81 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.22 mm12.22 mm5.27 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841654858
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 55.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,150 USD|Low: $726 USD|High: $7,830 USD|Avg: $3,557 USD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$726 USD
Retailer 2$1,253 USD
Brilliant Earth$4,150 USD

25 data points across 3 retailers

3 retailers$726 USD to $4,150 USD

A
Cheapest Retailer
-
$726 USD
Final sale: no returns
A
Retailer 2
-
$1,253 USD
£986 GBP
View
Most Expensive
B
Brilliant Earth
21706897A · Nov 2
$4,150 USD
View
2 more retailers have this diamond
Prices start from $726 USDSave up to $3,424 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
5.27ct Heart
$726 USD