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 HK$12,132 HKD
As of October 31, 2026
Save HK$26,146 HKD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$38,278 HKD 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 HK$12,132 to HK$38,278, a HK$26,146 spread on the same certified stone. NZ Jewellers lists it at HK$38,278. 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: HK$38,278 HKD|Low: HK$12,132 HKD|High: HK$38,278 HKD|Avg: HK$19,355 HKD
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 6, 2026
Retailer 9HK$12,132 HKD
Retailer 4HK$14,484 HKD
Retailer 2HK$15,220 HKD
Retailer 10HK$15,690 HKD
Retailer 12HK$15,690 HKD
Retailer 11HK$16,419 HKD
Retailer 6HK$17,336 HKD
Retailer 7HK$19,147 HKD
Retailer 5HK$20,558 HKD
Retailer 3HK$23,167 HKD
Retailer 8HK$27,415 HKD
NZ JewellersHK$38,278 HKD

32 data points across 12 retailers

16 retailersHK$12,132 HKD to HK$38,278 HKD

A
Cheapest Retailer
-
HK$12,132 HKD
B+
Retailer 2
-
HK$14,170 HKD
View
B+
Retailer 3
-
HK$14,484 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$15,220 HKD
View
B+
Retailer 5
-
HK$15,690 HKD
View
Retailer 6
-
HK$15,690 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$15,988 HKD
View
B+
Retailer 8
-
HK$16,419 HKD
View
B+
Retailer 9
-
HK$16,772 HKD
View
B+
Retailer 10
-
HK$17,336 HKD
View
Retailer 11
-
HK$18,104 HKD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
HK$19,147 HKD
View
B
Retailer 13
-
HK$20,558 HKD
View
B
Retailer 14
-
HK$23,167 HKD
View
B
Retailer 15
-
HK$27,415 HKD
View
Most Expensive
C
NZ Jewellers
ede8d819-5314-4d83-b522-5ab9ddfebec2 · Nov 5
HK$38,278 HKD
$4,884 USD
View
15 more retailers have this diamond
Prices start from HK$12,132 HKDSave up to HK$26,146 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.

A
1.20ct Heart
HK$12,132 HKD