CaratHunter
Plans
Heart|Natural|IGI

1.00ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 671474661

Shape and cutting style on the report: Heart brilliant

Certificate IGI 671474661

Diamond specifications and retailer prices

From HK$11,051 HKD
As of November 6, 2026
Save HK$18,167 HKD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$29,218 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 671474661. Listed at 17 retailers as of November 5, 2026, with prices from HK$11,051 to HK$29,218, a HK$18,167 spread on the same certified stone. NZ Jewellers lists it at HK$29,218. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 671474661
Dimensions6.32 × 6.95 × 3.98 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.32 mm6.95 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474661
Side View
Table 61.0%Crown 39.5°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 57.3%

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$29,218 HKD|Low: HK$10,455 HKD|High: HK$29,218 HKD|Avg: HK$14,265 HKD
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 15HK$11,051 HKD
Retailer 4HK$11,098 HKD
Retailer 3HK$11,936 HKD
Retailer 7HK$11,976 HKD
Retailer 12HK$11,976 HKD
Retailer 13HK$12,508 HKD
Retailer 14HK$12,532 HKD
Retailer 11HK$12,657 HKD
Retailer 6HK$13,041 HKD
Retailer 8HK$13,457 HKD
Retailer 5HK$13,817 HKD
Retailer 9HK$14,617 HKD
Retailer 2HK$15,479 HKD
Retailer 10HK$20,926 HKD
NZ JewellersHK$29,218 HKD

41 data points across 15 retailers

17 retailersHK$11,051 HKD to HK$29,218 HKD

A
Cheapest Retailer
-
HK$11,051 HKD
Final sale: no returns
A
Retailer 2
-
HK$11,098 HKD
View
A
Retailer 3
-
HK$11,936 HKD
View
Retailer 4
-
HK$11,976 HKD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$11,976 HKD
View
Retailer 6
-
HK$12,360 HKD
View
Price last confirmed 54 days ago
A
Retailer 7
-
HK$12,508 HKD
View
A
Retailer 8
-
HK$12,532 HKD
View
B+
Retailer 9
-
HK$12,657 HKD
View
B+
Retailer 10
-
HK$13,041 HKD
View
B+
Retailer 11
-
HK$13,457 HKD
View
B+
Retailer 12
-
HK$13,817 HKD
View
Retailer 13
-
HK$14,256 HKD
View
Price last confirmed 62 days ago
B+
Retailer 14
-
HK$14,617 HKD
View
B+
Retailer 15
-
HK$15,479 HKD
View
B
Retailer 16
-
HK$20,926 HKD
View
Most Expensive
B
NZ Jewellers
670029f6-c686-4e30-8ea0-6695fb5a2655 · Nov 5
HK$29,218 HKD
$3,728 USD
View
16 more retailers have this diamond
Prices start from HK$11,051 HKDSave up to HK$18,167 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$11,051 HKD