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Heart|Lab Grown|IGI

1.01ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG831660345

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831660345

Diamond specifications and retailer prices

From $217 SGD
As of November 6, 2026
Save $719 SGD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $936 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 very-good cut grade and certified by IGI LG831660345 or 831660345. Listed at 3 retailers as of November 6, 2026, with prices from $217 to $936, a $719 spread on the same certified stone. Brilliant Earth lists it at $936. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831660345
Dimensions5.98 × 6.94 × 4.16 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.98 mm6.94 mm1.01 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831660345
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.9%

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: $936 SGD|Low: $217 SGD|High: $1,141 SGD|Avg: $538 SGD|-18.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3$217 SGD
Retailer 4$381 SGD
Retailer 2$432 SGD
Retailer 5$437 SGD
Brilliant Earth$936 SGD

38 data points across 5 retailers

3 retailers$217 SGD to $936 SGD

A
Cheapest Retailer
-
$217 SGD
Final sale: no returns
B+
Retailer 2
-
$432 SGD
View
Most Expensive
B
Brilliant Earth
21233187A · Nov 6
$936 SGD
$730 USD
View
2 more retailers have this diamond
Prices start from $217 SGDSave up to $719 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
$217 SGD