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Heart|Natural|IGI

1.20ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 743513531

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743513531

Diamond specifications and retailer prices

From $2,317 SGD
As of November 6, 2026
Save $3,942 SGD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,259 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 743513531. Listed at 14 retailers as of November 5, 2026, with prices from $2,317 to $6,259, a $3,942 spread on the same certified stone. NZ Jewellers lists it at $6,259. 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

1.20
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 743513531
Dimensions6.81 × 7.47 × 4.11 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.81 mm7.47 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743513531
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 55.0%

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: $6,259 SGD|Low: $2,317 SGD|High: $6,259 SGD|Avg: $3,121 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 7, 2026
Retailer 4$2,317 SGD
Retailer 5$2,368 SGD
Retailer 7$2,489 SGD
Retailer 6$2,548 SGD
Retailer 11$2,566 SGD
Retailer 13$2,566 SGD
Retailer 3$2,614 SGD
Retailer 12$2,685 SGD
Retailer 2$2,826 SGD
Retailer 14$2,960 SGD
Retailer 9$3,131 SGD
Retailer 8$3,486 SGD
Retailer 10$4,483 SGD
NZ Jewellers$6,259 SGD

31 data points across 14 retailers

14 retailers$2,317 SGD to $6,259 SGD

A
Cheapest Retailer
-
$2,317 SGD
B+
Retailer 2
-
$2,368 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,489 SGD
View
A
Retailer 4
-
$2,548 SGD
View
B+
Retailer 5
-
$2,566 SGD
View
Retailer 6
-
$2,566 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,614 SGD
View
B+
Retailer 8
-
$2,685 SGD
View
B+
Retailer 9
-
$2,826 SGD
View
B+
Retailer 10
-
$2,960 SGD
View
B+
Retailer 11
-
$3,131 SGD
View
B
Retailer 12
-
$3,486 SGD
View
B
Retailer 13
-
$4,483 SGD
View
Most Expensive
C
NZ Jewellers
045ecf2b-a6fe-4461-baf6-c2eeecaa63b2 · Nov 5
$6,259 SGD
$4,884 USD
View
13 more retailers have this diamond
Prices start from $2,317 SGDSave up to $3,942 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
1.20ct Heart
$2,317 SGD