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Heart|Natural|IGI

1.00ct E SI2 Heart Natural Diamond

VG • E/SI2 • IGI 743535121

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743535121

Diamond specifications and retailer prices

From $1,621 SGD
As of November 4, 2026
Save $2,664 SGD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,286 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743535121. Listed at 13 retailers as of November 4, 2026, with prices from $1,621 to $4,286, a $2,664 spread on the same certified stone. NZ Jewellers lists it at $4,286. 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

1.00
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 743535121
Dimensions5.91 × 6.87 × 4.23 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Top View
5.91 mm6.87 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743535121
Side View
Table 56.0%Crown 35.1°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 61.6%

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 4
Current: $3,217 SGD|Low: $1,352 SGD|High: $3,257 SGD|Avg: $1,964 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$1,352 SGD
Retailer 4$1,621 SGD
Retailer 2$1,629 SGD
Retailer 8$1,757 SGD
Retailer 7$1,783 SGD
Retailer 5$1,831 SGD
Retailer 9$1,930 SGD
Retailer 6$1,999 SGD
Retailer 10$2,117 SGD
Retailer 11$2,393 SGD
Retailer 1$3,217 SGD

13 data points across 11 retailers

13 retailers$1,621 SGD to $4,286 SGD

A
Cheapest Retailer
-
$1,621 SGD
Final sale: no returns
A
Retailer 2
-
$1,629 SGD
View
Retailer 3
-
$1,757 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,757 SGD
View
A
Retailer 5
-
$1,783 SGD
View
A
Retailer 6
-
$1,831 SGD
View
A
Retailer 7
-
$1,838 SGD
View
A
Retailer 8
-
$1,930 SGD
View
Retailer 9
-
$1,999 SGD
View
Price last confirmed 41 days ago
Retailer 10
-
$2,027 SGD
View
Price last confirmed 61 days ago
A
Retailer 11
-
$2,027 SGD
View
B+
Retailer 12
-
$3,217 SGD
View
Most Expensive
B
NZ Jewellers
5fe15320-b569-402a-823e-e9349cda630a · Nov 5
$4,286 SGD
$3,344 USD
View
12 more retailers have this diamond
Prices start from $1,621 SGDSave up to $2,664 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
1.00ct Heart
$1,621 SGD