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Heart|Natural|IGI

0.73ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 815656656

Shape and cutting style on the report: Heart brilliant

Certificate IGI 815656656

Diamond specifications and retailer prices

From HK$3,911 HKD
As of November 3, 2026
Save HK$12,720 HKD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$16,631 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.73ct natural heart diamond

This 0.73ct natural heart sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815656656. Listed at 17 retailers as of November 3, 2026, with prices from HK$3,911 to HK$16,631, a HK$12,720 spread on the same certified stone. NZ Jewellers lists it at HK$16,631. 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

0.73
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.9°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 815656656
Dimensions5.46 × 6.26 × 3.67 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
5.46 mm6.26 mm0.73 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815656656
Side View
Table 60.0%Crown 40.9°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 58.6%

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 3
Current: HK$16,631 HKD|Low: HK$3,911 HKD|High: HK$16,874 HKD|Avg: HK$7,587 HKD|-1.4%
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
Retailer 16
Retailer 17
November 7, 2026
Retailer 3HK$3,911 HKD
Retailer 15HK$5,204 HKD
Retailer 16HK$5,306 HKD
Retailer 8HK$5,329 HKD
Retailer 2HK$5,510 HKD
Retailer 4HK$5,886 HKD
Retailer 10HK$6,043 HKD
Retailer 14HK$6,121 HKD
Retailer 6HK$6,317 HKD
Retailer 12HK$6,646 HKD
Retailer 7HK$6,740 HKD
Retailer 13HK$7,077 HKD
Retailer 17HK$7,931 HKD
Retailer 11HK$7,939 HKD
Retailer 9HK$12,375 HKD
Retailer 5HK$15,259 HKD
NZ JewellersHK$16,631 HKD

20 data points across 17 retailers

17 retailersHK$3,911 HKD to HK$16,631 HKD

A
Cheapest Retailer
-
HK$3,911 HKD
A
Retailer 2
-
HK$5,204 HKD
View
A
Retailer 3
-
HK$5,306 HKD
View
Retailer 4
-
HK$5,329 HKD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$5,510 HKD
View
B+
Retailer 6
-
HK$5,886 HKD
View
B+
Retailer 7
-
HK$6,043 HKD
View
B+
Retailer 8
-
HK$6,121 HKD
View
B+
Retailer 9
-
HK$6,317 HKD
View
B+
Retailer 10
-
HK$6,646 HKD
View
B+
Retailer 11
-
HK$6,740 HKD
View
B+
Retailer 12
-
HK$7,077 HKD
View
B
Retailer 13
-
HK$7,931 HKD
View
B
Retailer 14
-
HK$7,939 HKD
View
Retailer 15
-
HK$12,375 HKD
View
Price last confirmed 13 days ago
C
Retailer 16
-
HK$15,259 HKD
View
Most Expensive
B
NZ Jewellers
b2af5e46-4b90-4f88-8be0-cf11bee2f9e0 · Nov 5
HK$16,631 HKD
$2,122 USD
View
16 more retailers have this diamond
Prices start from HK$3,911 HKDSave up to HK$12,720 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
0.73ct Heart
HK$3,911 HKD