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Heart|Natural|IGI

1.51ct H SI2 Heart Natural Diamond

VG • H/SI2 • IGI 803629080

Shape and cutting style on the report: Heart brilliant

Certificate IGI 803629080

Diamond specifications and retailer prices

From $3,379 SGD
$2,642 USD
As of October 31, 2026
Save $4,507 SGD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,886 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 803629080. Listed at 14 retailers as of October 30, 2026, with prices from $3,379 to $7,886, a $4,507 spread on the same certified stone. NZ Jewellers lists it at $7,886. 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

1.51
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 803629080
Dimensions7.26 × 8.00 × 4.49 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
7.26 mm8.00 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629080
Side View
Table 59.0%Crown 37°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 56.1%

Caratlytics Score

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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: Oct 31
Current: $7,886 SGD|Low: $3,288 SGD|High: $7,886 SGD|Avg: $4,497 SGD|+16.4%
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
November 2, 2026
Retailer 10$3,379 SGD
Retailer 13$3,481 SGD
Retailer 11$3,604 SGD
Retailer 9$3,628 SGD
Retailer 2$3,654 SGD
Retailer 3$3,888 SGD
Retailer 5$3,888 SGD
Retailer 7$3,954 SGD
Retailer 4$4,036 SGD
Retailer 12$4,352 SGD
Retailer 6$4,415 SGD
Retailer 8$6,308 SGD
NZ Jewellers$7,886 SGD

45 data points across 13 retailers

14 retailers$3,379 SGD to $7,886 SGD

A
Cheapest Retailer
-
$3,379 SGD
$2,642 USD
A
Retailer 2
-
$3,481 SGD
$2,722 USD
View
Final sale: no returns
A
Retailer 3
-
$3,604 SGD
$2,818 USD
View
A
Retailer 4
-
$3,628 SGD
$2,837 USD
View
A
Retailer 5
-
$3,654 SGD
£2,250 GBP
View
B+
Retailer 6
-
$3,888 SGD
$3,040 USD
View
B+
Retailer 7
-
$3,888 SGD
$3,040 USD
View
Retailer 8
-
$3,888 SGD
$3,040 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$3,954 SGD
$3,092 USD
View
B+
Retailer 10
-
$4,036 SGD
$3,156 USD
View
A
Retailer 11
-
$4,352 SGD
$3,403 USD
View
B+
Retailer 12
-
$4,415 SGD
€3,288 EUR
View
B+
Retailer 13
-
$6,308 SGD
£3,884 GBP
View
Most Expensive
B
NZ Jewellers
6dc05a17-ff07-41b6-8585-84b4a869d57e · Oct 30
$7,886 SGD
$6,166 USD
View
13 more retailers have this diamond
Prices start from $3,379 SGDSave up to $4,507 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
1.51ct Heart
$3,379 SGD