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Heart|Natural|IGI

1.51ct J SI2 Heart Natural Diamond

VG • J/SI2 • IGI 737595032

Shape and cutting style on the report: Heart brilliant

Certificate IGI 737595032

Diamond specifications and retailer prices

From HK$18,579 HKD
$2,368 USD
As of October 31, 2026
Save HK$24,785 HKD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$43,363 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 737595032. Listed at 12 retailers as of October 30, 2026, with prices from HK$18,579 to HK$43,363, a HK$24,785 spread on the same certified stone. NZ Jewellers lists it at HK$43,363. 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

1.51
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.6°
Pavilion angle42.4°
OriginNatural
Grading LabIGI
CertificateIGI 737595032
Dimensions6.83 × 8.02 × 4.89 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
6.83 mm8.02 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 737595032
Side View
Table 58.0%Crown 35.6°Girdle: STK-THKPavilion 42.4°Culet: NoneDepth 61.0%

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$43,363 HKD|Low: HK$18,084 HKD|High: HK$44,697 HKD|Avg: HK$24,801 HKD|-3.0%
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
November 2, 2026
Retailer 9HK$18,579 HKD
Retailer 12HK$19,144 HKD
Retailer 8HK$20,156 HKD
Retailer 2HK$20,506 HKD
Retailer 4HK$21,380 HKD
Retailer 13HK$21,380 HKD
Retailer 6HK$21,848 HKD
Retailer 10HK$21,853 HKD
Retailer 3HK$22,203 HKD
Retailer 11HK$23,929 HKD
Retailer 5HK$25,441 HKD
Retailer 7HK$36,339 HKD
NZ JewellersHK$43,363 HKD

46 data points across 13 retailers

12 retailersHK$18,579 HKD to HK$43,363 HKD

A
Cheapest Retailer
-
HK$18,579 HKD
$2,368 USD
A
Retailer 2
-
HK$19,144 HKD
$2,440 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$20,156 HKD
$2,569 USD
View
A
Retailer 4
-
HK$20,506 HKD
£2,058 GBP
View
B+
Retailer 5
-
HK$21,380 HKD
$2,725 USD
View
B+
Retailer 6
-
HK$21,380 HKD
$2,725 USD
View
B+
Retailer 7
-
HK$21,848 HKD
$2,785 USD
View
B+
Retailer 8
-
HK$21,853 HKD
$2,785 USD
View
B+
Retailer 9
-
HK$22,203 HKD
$2,830 USD
View
B+
Retailer 10
-
HK$23,929 HKD
$3,050 USD
View
B
Retailer 11
-
HK$36,339 HKD
£3,647 GBP
View
Most Expensive
B
NZ Jewellers
c0fb1cf0-8e2f-4bab-8937-feac363ca609 · Oct 30
HK$43,363 HKD
$5,527 USD
View
11 more retailers have this diamond
Prices start from HK$18,579 HKDSave up to HK$24,785 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
1.51ct Heart
HK$18,579 HKD