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Heart|Natural|IGI

1.00ct H I1 Heart Natural Diamond

VG • H/I1 • IGI 808620039

Shape and cutting style on the report: Heart brilliant

Certificate IGI 808620039

Diamond specifications and retailer prices

From $1,600 NZD
$900 USD
As of October 29, 2026
Save $3,414 NZD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,014 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 808620039. Listed at 8 retailers as of October 30, 2026, with prices from $1,600 to $5,014, a $3,414 spread on the same certified stone. NZ Jewellers lists it at $5,014. 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
H
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 808620039
Dimensions6.08 × 6.69 × 4.09 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
6.08 mm6.69 mm1.00 ctH / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 808620039
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 38.1°CuletDepth 61.1%

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: Oct 29
Current: $5,014 NZD|Low: $1,600 NZD|High: $5,014 NZD|Avg: $2,214 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$1,600 NZD
Retailer 8$1,600 NZD
Retailer 7$1,617 NZD
Retailer 3$1,648 NZD
Retailer 4$1,660 NZD
Retailer 5$1,845 NZD
Retailer 2$2,252 NZD
NZ Jewellers$5,014 NZD

11 data points across 8 retailers

8 retailers$1,600 NZD to $5,014 NZD

A
Cheapest Retailer
-
$1,600 NZD
$900 USD
A
Retailer 2
-
$1,600 NZD
$900 USD
View
B+
Retailer 3
-
$1,617 NZD
$910 USD
View
B+
Retailer 4
-
$1,648 NZD
$927 USD
View
B+
Retailer 5
-
$1,660 NZD
$934 USD
View
B+
Retailer 6
-
$1,845 NZD
$1,038 USD
View
B+
Retailer 7
-
$2,252 NZD
€1,207 EUR
View
Most Expensive
C
NZ Jewellers
c41d2456-6d96-4a60-a91e-a360704b6fe4 · Oct 30
$5,014 NZD
$2,821 USD
View
7 more retailers have this diamond
Prices start from $1,600 NZDSave up to $3,414 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
$1,600 NZD