CaratHunter
Plans
Heart|Natural|IGI

1.00ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 816643964

Shape and cutting style on the report: Heart brilliant

Certificate IGI 816643964

Diamond specifications and retailer prices

From HK$8,206 HKD
As of November 6, 2026
Save HK$15,926 HKD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$24,131 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 816643964. Listed at 11 retailers as of November 5, 2026, with prices from HK$8,206 to HK$24,131, a HK$15,926 spread on the same certified stone. NZ Jewellers lists it at HK$24,131. 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

1.00
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 816643964
Dimensions5.77 × 6.74 × 4.27 mm
L/W Ratio1.17
Girdle conditionFaceted
Top View
5.77 mm6.74 mm1.00 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643964
Side View
Table 57.0%Crown 39.4°Girdle: MED-THKPavilion 40.4°CuletDepth 63.4%

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$24,131 HKD|Low: HK$8,206 HKD|High: HK$24,131 HKD|Avg: HK$12,855 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$8,206 HKD
Retailer 3HK$9,593 HKD
Retailer 5HK$9,891 HKD
Retailer 9HK$9,914 HKD
Retailer 8HK$10,275 HKD
Retailer 10HK$11,074 HKD
Retailer 4HK$11,419 HKD
Retailer 6HK$12,070 HKD
Retailer 7HK$18,073 HKD
NZ JewellersHK$24,131 HKD

44 data points across 10 retailers

11 retailersHK$8,206 HKD to HK$24,131 HKD

A
Cheapest Retailer
-
HK$8,206 HKD
B+
Retailer 2
-
HK$9,593 HKD
View
B+
Retailer 3
-
HK$9,891 HKD
View
B+
Retailer 4
-
HK$9,914 HKD
View
B+
Retailer 5
-
HK$10,275 HKD
View
B+
Retailer 6
-
HK$10,949 HKD
View
B+
Retailer 7
-
HK$11,074 HKD
View
B+
Retailer 8
-
HK$11,419 HKD
View
B+
Retailer 9
-
HK$12,070 HKD
View
B
Retailer 10
-
HK$18,073 HKD
View
Most Expensive
C
NZ Jewellers
c8f7d190-9234-456a-88b7-f702d5630897 · Nov 5
HK$24,131 HKD
$3,079 USD
View
10 more retailers have this diamond
Prices start from HK$8,206 HKDSave up to HK$15,926 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
1.00ct Heart
HK$8,206 HKD