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Heart|Natural|IGI

1.51ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 749558441

Shape and cutting style on the report: Heart brilliant

Certificate IGI 749558441

Diamond specifications and retailer prices

From $4,479 SGD
As of November 6, 2026
Save $4,391 SGD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,870 SGD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 749558441. Listed at 17 retailers as of November 5, 2026, with prices from $4,479 to $8,870, a $4,391 spread on the same certified stone. NZ Jewellers lists it at $8,870. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.9°
OriginNatural
Grading LabIGI
CertificateIGI 749558441
Dimensions7.12 × 7.87 × 4.47 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Top View
7.12 mm7.87 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 749558441
Side View
Table 60.0%Crown 34°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 56.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,870 SGD|Low: $4,698 SGD|High: $8,870 SGD|Avg: $6,135 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$4,698 SGD
Retailer 2$4,871 SGD
Retailer 9$5,091 SGD
Retailer 4$5,252 SGD
Retailer 3$5,751 SGD
Retailer 10$5,874 SGD
Retailer 7$6,038 SGD
Retailer 5$6,213 SGD
Retailer 6$8,514 SGD
NZ Jewellers$8,870 SGD

30 data points across 10 retailers

17 retailers$4,479 SGD to $8,870 SGD

B+
Cheapest Retailer
-
$4,479 SGD
B+
Retailer 2
-
$4,580 SGD
View
B+
Retailer 3
-
$4,698 SGD
View
Final sale: no returns
B+
Retailer 4
-
$4,857 SGD
View
B+
Retailer 5
-
$4,871 SGD
View
B+
Retailer 6
-
$5,012 SGD
View
B+
Retailer 7
-
$5,091 SGD
View
B+
Retailer 8
-
$5,091 SGD
View
Retailer 9
-
$5,091 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$5,252 SGD
View
B
Retailer 11
-
$5,279 SGD
View
B
Retailer 12
-
$5,751 SGD
View
B
Retailer 13
-
$5,874 SGD
View
B
Retailer 14
-
$6,213 SGD
View
B
Retailer 15
-
$7,560 SGD
View
B
Retailer 16
-
$8,514 SGD
View
Most Expensive
C
NZ Jewellers
0ada1b4f-21ab-4fcf-8be3-23a729e1c4a5 · Nov 5
$8,870 SGD
$6,921 USD
View
16 more retailers have this diamond
Prices start from $4,479 SGDSave up to $4,391 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.

B+
1.51ct Heart
$4,479 SGD