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Heart|Lab Grown|IGI

1.01ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG842622420

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842622420

Diamond specifications and retailer prices

From $220 SGD
As of November 6, 2026
Save $613 SGD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $833 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.01ct lab-grown heart diamond

This 1.01ct 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 LG842622420 or 842622420. Listed at 3 retailers as of November 6, 2026, with prices from $220 to $833, a $613 spread on the same certified stone. Brilliant Earth lists it at $833. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842622420
Dimensions6.25 × 6.86 × 4.09 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.25 mm6.86 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842622420
Side View
Table 62.0%Crown 34°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $833 SGD|Low: $220 SGD|High: $1,141 SGD|Avg: $637 SGD|-27.0%
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$220 SGD
Retailer 2$441 SGD
Brilliant Earth$833 SGD

28 data points across 3 retailers

3 retailers$220 SGD to $833 SGD

A
Cheapest Retailer
-
$220 SGD
Final sale: no returns
B+
Retailer 2
-
$441 SGD
View
Most Expensive
B
Brilliant Earth
21744066A · Nov 6
$833 SGD
$650 USD
View
2 more retailers have this diamond
Prices start from $220 SGDSave up to $613 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
1.01ct Heart
$220 SGD