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Heart|Natural|IGI

0.51ct I SI2 Heart Natural Diamond

VG • I/SI2 • IGI 692555256

Shape and cutting style on the report: Heart brilliant

Certificate IGI 692555256

Diamond specifications and retailer prices

From HK$2,597 HKD
₹31,517 INR
As of November 2, 2026
Save HK$5,604 HKD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$13,605 HKD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 692555256. Listed at 8 retailers as of November 1, 2026, with a 216% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle44°
Pavilion angle42.7°
OriginNatural
Grading LabIGI
CertificateIGI 692555256
Dimensions4.79 × 5.29 × 3.24 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Top View
4.79 mm5.29 mm0.51 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 692555256
Side View
Table 61.0%Crown 44°Girdle: STK-VTKPavilion 42.7°Culet: NoneDepth 61.2%

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 2
Current: HK$13,605 HKD|Low: HK$2,591 HKD|High: HK$13,676 HKD|Avg: HK$6,109 HKD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2HK$2,597 HKD
Retailer 3HK$4,239 HKD
Retailer 7HK$4,577 HKD
Retailer 6HK$4,975 HKD
Retailer 4HK$5,371 HKD
Retailer 5HK$8,201 HKD
NZ JewellersHK$13,605 HKD

39 data points across 7 retailers

8 retailersHK$2,597 HKD to HK$8,201 HKD

A
Cheapest Retailer
-
HK$2,597 HKD
₹31,517 INR
B+
Retailer 2
-
HK$4,239 HKD
£425 GBP
View
B
Retailer 3
-
HK$4,577 HKD
$583 USD
View
B
Retailer 4
-
HK$4,975 HKD
$634 USD
View
B
Retailer 5
-
HK$5,371 HKD
€652 EUR
View
C
Retailer 6
-
HK$8,201 HKD
£823 GBP
View
Retailer 7
-
HK$13,605 HKD
$1,734 USD
View
Price under review
Most Expensive
NZ Jewellers
5bb2a694-0ad7-4da9-9867-c169d9d8d3a7 · Oct 27
HK$13,605 HKD
$1,734 USD
View
Price under review
7 more retailers have this diamond
Prices start from HK$2,597 HKDSave up to HK$5,604 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$2,597 HKD