Heart|Natural|IGI

1.00ct K SI1 Heart Natural Diamond

GD • K/SI1 • IGI 569314122

Shape and cutting style on the report: Heart brilliant

Certificate IGI 569314122

Diamond specifications and retailer prices

From HK$9,538 HKD
As of November 4, 2026
Save HK$15,573 HKD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$25,111 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 standard cut grade and certified by IGI 569314122. Listed at 12 retailers as of November 4, 2026, with prices from HK$9,538 to HK$25,111, a HK$15,573 spread on the same certified stone. NZ Jewellers lists it at HK$25,111. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38.7°
Pavilion angle34.7°
OriginNatural
Grading LabIGI
CertificateIGI 569314122
Dimensions5.47 × 6.77 × 3.97 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
5.47 mm6.77 mm1.00 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 569314122
Side View
Table 56.0%Crown 38.7°Girdle: VTK-ETKPavilion 34.7°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$25,111 HKD|Low: HK$9,295 HKD|High: HK$25,111 HKD|Avg: HK$12,637 HKD|+6.1%
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 6, 2026
Retailer 13HK$9,538 HKD
Retailer 2HK$9,985 HKD
Retailer 9HK$10,298 HKD
Retailer 11HK$10,298 HKD
Retailer 10HK$10,769 HKD
Retailer 3HK$10,894 HKD
Retailer 12HK$11,168 HKD
Retailer 6HK$11,834 HKD
Retailer 4HK$11,881 HKD
Retailer 7HK$12,563 HKD
Retailer 5HK$13,206 HKD
Retailer 8HK$18,810 HKD
NZ JewellersHK$25,111 HKD

31 data points across 13 retailers

12 retailersHK$9,538 HKD to HK$25,111 HKD

B+
Cheapest Retailer
-
HK$9,538 HKD
B+
Retailer 2
-
HK$9,985 HKD
View
B+
Retailer 3
-
HK$10,298 HKD
View
Retailer 4
-
HK$10,298 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$10,769 HKD
View
B+
Retailer 6
-
HK$10,894 HKD
View
B+
Retailer 7
-
HK$11,168 HKD
View
B+
Retailer 8
-
HK$11,834 HKD
View
B+
Retailer 9
-
HK$11,881 HKD
View
B
Retailer 10
-
HK$12,563 HKD
View
B
Retailer 11
-
HK$18,810 HKD
View
Most Expensive
C
NZ Jewellers
d45b50d3-fb9b-4f1a-91c6-4344749663fc · Nov 5
HK$25,111 HKD
$3,204 USD
View
11 more retailers have this diamond
Prices start from HK$9,538 HKDSave up to HK$15,573 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.

B+
1.00ct Heart
HK$9,538 HKD