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Heart|Natural|IGI

1.20ct K SI1 Heart Natural Diamond

GD • K/SI1 • IGI 270787421

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 270787421

Diamond specifications and retailer prices

From HK$8,982 HKD
As of November 6, 2026
Save HK$7,014 HKD (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$15,995 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 270787421. Listed at 4 retailers as of November 4, 2026, with prices from HK$8,982 to HK$15,995, a HK$7,014 spread on the same certified stone. MOH London lists it at HK$15,995. 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
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceFaint
Crown angle39°
Pavilion angle32.8°
OriginNatural
Grading LabIGI
CertificateIGI 270787421
Dimensions6.50 × 5.65 × 3.93 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
6.50 mm5.65 mm1.20 ctK / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 270787421
Side View
Table 54.5%Crown 39°Girdle: STK-VTKPavilion 32.8°Culet: NoneDepth 69.6%

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: HK$15,995 HKD|Low: HK$7,845 HKD|High: HK$16,234 HKD|Avg: HK$10,811 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5HK$7,845 HKD
Retailer 4HK$8,982 HKD
Retailer 3HK$10,040 HKD
Retailer 2HK$12,203 HKD
MOH LondonHK$15,995 HKD

40 data points across 5 retailers

4 retailersHK$8,982 HKD to HK$15,995 HKD

B+
Cheapest Retailer
-
HK$8,982 HKD
B+
Retailer 2
-
HK$10,040 HKD
View
B+
Retailer 3
-
HK$12,203 HKD
View
Most Expensive
B
MOH London
47E42449B · Nov 4
HK$15,995 HKD
£1,607 GBP
View
3 more retailers have this diamond
Prices start from HK$8,982 HKDSave up to HK$7,014 HKD

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+
1.20ct Heart
HK$8,982 HKD