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Heart|Natural|IGI

1.20ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 749558736

Shape and cutting style on the report: Heart brilliant

Certificate IGI 749558736

Diamond specifications and retailer prices

From $1,984 SGD
As of October 31, 2026
Save $4,275 SGD (68%) vs most expensive(unlock to see where)
16 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 749558736. Listed at 16 retailers as of October 31, 2026, with prices from $1,984 to $6,259, a $4,275 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 angle32.6°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 749558736
Dimensions6.70 × 7.35 × 4.11 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.70 mm7.35 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 749558736
Side View
Table 62.0%Crown 32.6°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 55.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,259 SGD|Low: $1,984 SGD|High: $6,259 SGD|Avg: $3,165 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
November 7, 2026
Retailer 9$1,984 SGD
Retailer 4$2,368 SGD
Retailer 5$2,489 SGD
Retailer 10$2,566 SGD
Retailer 12$2,566 SGD
Retailer 11$2,685 SGD
Retailer 2$2,826 SGD
Retailer 7$3,131 SGD
Retailer 6$3,362 SGD
Retailer 3$3,788 SGD
Retailer 8$4,483 SGD
NZ Jewellers$6,259 SGD

33 data points across 12 retailers

16 retailers$1,984 SGD to $6,259 SGD

A
Cheapest Retailer
-
$1,984 SGD
B+
Retailer 2
-
$2,317 SGD
View
B+
Retailer 3
-
$2,368 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,489 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
-
$2,743 SGD
View
B+
Retailer 10
-
$2,826 SGD
View
Retailer 11
-
$2,960 SGD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
$3,131 SGD
View
B
Retailer 13
-
$3,362 SGD
View
B
Retailer 14
-
$3,788 SGD
View
B
Retailer 15
-
$4,483 SGD
View
Most Expensive
C
NZ Jewellers
ede8d819-5314-4d83-b522-5ab9ddfebec2 · Nov 5
$6,259 SGD
$4,884 USD
View
15 more retailers have this diamond
Prices start from $1,984 SGDSave up to $4,275 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
$1,984 SGD