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Heart|Lab Grown|IGI

1.09ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG839615483

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839615483

Diamond specifications and retailer prices

From $219 SGD
As of November 6, 2026
Save $563 SGD (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $782 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839615483 or 839615483. Listed at 3 retailers as of November 6, 2026, with prices from $219 to $782, a $563 spread on the same certified stone. Brilliant Earth lists it at $782. 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

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839615483
Dimensions6.27 × 7.13 × 4.24 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.27 mm7.13 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839615483
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $782 SGD|Low: $219 SGD|High: $1,230 SGD|Avg: $675 SGD|-36.5%
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$219 SGD
Retailer 2$438 SGD
Brilliant Earth$782 SGD

34 data points across 3 retailers

3 retailers$219 SGD to $782 SGD

A
Cheapest Retailer
-
$219 SGD
Final sale: no returns
B+
Retailer 2
-
$438 SGD
View
Most Expensive
B
Brilliant Earth
21583444A · Nov 6
$782 SGD
$610 USD
View
2 more retailers have this diamond
Prices start from $219 SGDSave up to $563 SGD

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
1.09ct Heart
$219 SGD