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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 $2,195 NZD
As of November 4, 2026
Save $3,584 NZD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,780 NZD 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 $2,195 to $5,780, a $3,584 spread on the same certified stone. NZ Jewellers lists it at $5,780. 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: $5,780 NZD|Low: $2,139 NZD|High: $5,780 NZD|Avg: $2,909 NZD|+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 13$2,195 NZD
Retailer 2$2,298 NZD
Retailer 9$2,370 NZD
Retailer 11$2,370 NZD
Retailer 10$2,479 NZD
Retailer 3$2,507 NZD
Retailer 12$2,571 NZD
Retailer 6$2,724 NZD
Retailer 4$2,735 NZD
Retailer 7$2,892 NZD
Retailer 5$3,040 NZD
Retailer 8$4,329 NZD
NZ Jewellers$5,780 NZD

31 data points across 13 retailers

12 retailers$2,195 NZD to $5,780 NZD

B+
Cheapest Retailer
-
$2,195 NZD
B+
Retailer 2
-
$2,298 NZD
View
B+
Retailer 3
-
$2,370 NZD
View
Retailer 4
-
$2,370 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,479 NZD
View
B+
Retailer 6
-
$2,507 NZD
View
B+
Retailer 7
-
$2,571 NZD
View
B+
Retailer 8
-
$2,724 NZD
View
B+
Retailer 9
-
$2,735 NZD
View
B
Retailer 10
-
$2,892 NZD
View
B
Retailer 11
-
$4,329 NZD
View
Most Expensive
C
NZ Jewellers
d45b50d3-fb9b-4f1a-91c6-4344749663fc · Nov 5
$5,780 NZD
$3,204 USD
View
11 more retailers have this diamond
Prices start from $2,195 NZDSave up to $3,584 NZD

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
$2,195 NZD