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Heart|Natural|IGI

1.00ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 762534753

Shape and cutting style on the report: Heart brilliant

Certificate IGI 762534753

Diamond specifications and retailer prices

From $2,087 NZD
As of November 6, 2026
Save $3,429 NZD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,516 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 762534753. Listed at 15 retailers as of November 5, 2026, with prices from $2,087 to $5,516, a $3,429 spread on the same certified stone. NZ Jewellers lists it at $5,516. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle42.2°
OriginNatural
Grading LabIGI
CertificateIGI 762534753
Dimensions5.82 × 6.85 × 4.27 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
5.82 mm6.85 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 762534753
Side View
Table 59.0%Crown 35.5°Girdle: STK-THKPavilion 42.2°Culet: NoneDepth 62.3%

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: $5,516 NZD|Low: $2,087 NZD|High: $5,682 NZD|Avg: $2,850 NZD|-2.9%
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 7, 2026
Retailer 6$2,087 NZD
Retailer 4$2,165 NZD
Retailer 9$2,194 NZD
Retailer 12$2,262 NZD
Retailer 7$2,329 NZD
Retailer 13$2,349 NZD
Retailer 3$2,352 NZD
Retailer 15$2,406 NZD
Retailer 8$2,471 NZD
Retailer 14$2,504 NZD
Retailer 2$2,590 NZD
Retailer 5$2,608 NZD
Retailer 10$2,760 NZD
Retailer 11$4,129 NZD
NZ Jewellers$5,516 NZD

39 data points across 15 retailers

15 retailers$2,087 NZD to $5,516 NZD

A
Cheapest Retailer
-
$2,087 NZD
Final sale: no returns
A
Retailer 2
-
$2,165 NZD
View
A
Retailer 3
-
$2,194 NZD
View
A
Retailer 4
-
$2,262 NZD
View
Retailer 5
-
$2,329 NZD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,349 NZD
View
B+
Retailer 7
-
$2,352 NZD
View
A
Retailer 8
-
$2,406 NZD
View
B+
Retailer 9
-
$2,471 NZD
View
B+
Retailer 10
-
$2,504 NZD
View
A
Retailer 11
-
$2,590 NZD
View
A
Retailer 12
-
$2,608 NZD
View
A
Retailer 13
-
$2,760 NZD
View
B
Retailer 14
-
$4,129 NZD
View
Most Expensive
B
NZ Jewellers
ee8beb01-7cd9-4a4e-980b-a75e2751408b · Nov 5
$5,516 NZD
$3,058 USD
View
14 more retailers have this diamond
Prices start from $2,087 NZDSave up to $3,429 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.

A
1.00ct Heart
$2,087 NZD