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Heart|Natural|IGI

0.51ct E SI2 Heart Natural Diamond

VG • E/SI2 • IGI 790616518

Shape and cutting style on the report: Heart brilliant

Certificate IGI 790616518

Diamond specifications and retailer prices

From HK$3,205 HKD
As of November 6, 2026
Save HK$10,126 HKD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$13,331 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 790616518. Listed at 11 retailers as of November 5, 2026, with prices from HK$3,205 to HK$13,331, a HK$10,126 spread on the same certified stone. NZ Jewellers lists it at HK$13,331. 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

0.51
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle37°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 790616518
Dimensions5.06 × 5.04 × 3.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.06 mm5.04 mm0.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 790616518
Side View
Table 62.0%Crown 37°Girdle: STK-VTKPavilion 41.3°Culet: NoneDepth 63.3%

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: HK$13,331 HKD|Low: HK$2,963 HKD|High: HK$13,512 HKD|Avg: HK$5,375 HKD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8HK$3,205 HKD
Retailer 6HK$3,480 HKD
Retailer 7HK$3,746 HKD
Retailer 3HK$3,754 HKD
Retailer 9HK$4,013 HKD
Retailer 2HK$4,130 HKD
Retailer 10HK$4,358 HKD
Retailer 5HK$4,499 HKD
Retailer 4HK$5,243 HKD
Retailer 11HK$8,049 HKD
NZ JewellersHK$13,331 HKD

35 data points across 11 retailers

11 retailersHK$3,205 HKD to HK$13,331 HKD

B+
Cheapest Retailer
-
HK$3,205 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,480 HKD
View
A
Retailer 3
-
HK$3,746 HKD
View
Retailer 4
-
HK$3,754 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$4,013 HKD
View
A
Retailer 6
-
HK$4,130 HKD
View
B+
Retailer 7
-
HK$4,358 HKD
View
B+
Retailer 8
-
HK$4,499 HKD
View
B+
Retailer 9
-
HK$5,243 HKD
View
B
Retailer 10
-
HK$8,049 HKD
View
Most Expensive
C
NZ Jewellers
0971bbf3-e5f1-4a8c-a6d6-bd5342f273d4 · Nov 5
HK$13,331 HKD
$1,701 USD
View
10 more retailers have this diamond
Prices start from HK$3,205 HKDSave up to HK$10,126 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
0.51ct Heart
HK$3,205 HKD