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Heart|Natural|IGI

1.00ct E SI2 Heart Natural Diamond

VG • E/SI2 • IGI 743559130

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743559130

Diamond specifications and retailer prices

From $1,253 SGD
As of November 2, 2026
Save $2,857 SGD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,110 SGD at NZ Jewellers · As of November 3, 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 743559130. Listed at 14 retailers as of November 2, 2026, with prices from $1,253 to $4,110, a $2,857 spread on the same certified stone. NZ Jewellers lists it at $4,110. 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 angle34.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 743559130
Dimensions5.95 × 6.87 × 4.09 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
5.95 mm6.87 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559130
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 59.5%

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 2
Current: $4,110 SGD|Low: $1,253 SGD|High: $4,110 SGD|Avg: $1,939 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 7$1,253 SGD
Retailer 10$1,419 SGD
Retailer 4$1,556 SGD
Retailer 12$1,588 SGD
Retailer 2$1,662 SGD
Retailer 3$1,685 SGD
Retailer 5$1,685 SGD
Retailer 9$1,698 SGD
Retailer 13$1,762 SGD
Retailer 6$1,857 SGD
Retailer 11$1,858 SGD
Retailer 14$1,944 SGD
Retailer 8$3,085 SGD
NZ Jewellers$4,110 SGD

35 data points across 14 retailers

14 retailers$1,253 SGD to $4,110 SGD

A
Cheapest Retailer
-
$1,253 SGD
A
Retailer 2
-
$1,419 SGD
View
B+
Retailer 3
-
$1,556 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,588 SGD
View
A
Retailer 5
-
$1,662 SGD
View
A
Retailer 6
-
$1,685 SGD
View
Retailer 7
-
$1,685 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,698 SGD
View
A
Retailer 9
-
$1,762 SGD
View
A
Retailer 10
-
$1,857 SGD
View
Retailer 11
-
$1,858 SGD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$1,944 SGD
View
B+
Retailer 13
-
$3,085 SGD
View
Most Expensive
B
NZ Jewellers
2ac9501a-f69a-483e-82a9-785b2124e472 · Nov 3
$4,110 SGD
$3,207 USD
View
13 more retailers have this diamond
Prices start from $1,253 SGDSave up to $2,857 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
$1,253 SGD