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Heart|Natural|IGI

1.20ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 828653750

Shape and cutting style on the report: Heart brilliant

Certificate IGI 828653750

Diamond specifications and retailer prices

From $2,666 SGD
As of November 6, 2026
Save $3,627 SGD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,293 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828653750. Listed at 15 retailers as of November 5, 2026, with prices from $2,666 to $6,293, a $3,627 spread on the same certified stone. NZ Jewellers lists it at $6,293. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 828653750
Dimensions6.15 × 7.24 × 4.55 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Top View
6.15 mm7.24 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653750
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 62.8%

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: Nov 6
Current: $6,293 SGD|Low: $2,666 SGD|High: $6,421 SGD|Avg: $3,488 SGD|-2.0%
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
Retailer 15
November 7, 2026
Retailer 10$2,666 SGD
Retailer 8$2,723 SGD
Retailer 9$2,723 SGD
Retailer 11$2,862 SGD
Retailer 5$2,944 SGD
Retailer 3$3,010 SGD
Retailer 7$3,071 SGD
Retailer 12$3,128 SGD
Retailer 4$3,149 SGD
Retailer 6$3,167 SGD
Retailer 2$3,251 SGD
Retailer 13$3,405 SGD
Retailer 14$3,673 SGD
Retailer 15$5,258 SGD
NZ Jewellers$6,293 SGD

15 data points across 15 retailers

15 retailers$2,666 SGD to $6,293 SGD

A
Cheapest Retailer
-
$2,666 SGD
B+
Retailer 2
-
$2,723 SGD
View
Final sale: no returns
B+
Retailer 3
-
$2,723 SGD
View
B+
Retailer 4
-
$2,862 SGD
View
B+
Retailer 5
-
$2,944 SGD
View
B+
Retailer 6
-
$3,010 SGD
View
Retailer 7
-
$3,071 SGD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,128 SGD
View
B+
Retailer 9
-
$3,149 SGD
View
B+
Retailer 10
-
$3,167 SGD
View
B+
Retailer 11
-
$3,251 SGD
View
B+
Retailer 12
-
$3,405 SGD
View
B
Retailer 13
-
$3,673 SGD
View
B
Retailer 14
-
$5,258 SGD
View
Most Expensive
B
NZ Jewellers
05724fd7-2c60-418b-ab97-b3717312dcc7 · Nov 5
$6,293 SGD
$4,910 USD
View
14 more retailers have this diamond
Prices start from $2,666 SGDSave up to $3,627 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
$2,666 SGD