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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 1489291904

Certificate GIA 1489291904

Diamond specifications and retailer prices

From $3,023 NZD
As of November 6, 2026
Save $5,477 NZD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,500 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1489291904. Listed at 19 retailers as of November 5, 2026, with prices from $3,023 to $8,500, a $5,477 spread on the same certified stone. NZ Jewellers lists it at $8,500. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle1°
Pavilion angle1°
OriginNatural
Grading LabGIA
CertificateGIA 1489291904
Dimensions5.79 × 6.76 × 4.17 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
5.79 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489291904
Side View
Table 58.0%Crown 1°Girdle: ETK-ETKPavilion 1°Culet: NoneDepth 61.7%

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: $8,500 NZD|Low: $2,993 NZD|High: $8,704 NZD|Avg: $4,788 NZD|-2.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 14$3,023 NZD
Retailer 5$3,565 NZD
Retailer 4$3,673 NZD
Retailer 7$3,752 NZD
Retailer 16$3,848 NZD
Retailer 3$4,066 NZD
Retailer 9$4,066 NZD
Retailer 19$4,077 NZD
Retailer 8$4,199 NZD
Retailer 15$4,254 NZD
Retailer 18$4,315 NZD
Retailer 2$4,403 NZD
Retailer 17$4,690 NZD
Retailer 6$4,741 NZD
Retailer 12$4,961 NZD
Retailer 11$5,125 NZD
Retailer 10$5,841 NZD
Retailer 13$7,104 NZD
NZ Jewellers$8,500 NZD

46 data points across 19 retailers

19 retailers$3,023 NZD to $8,500 NZD

A
Cheapest Retailer
-
$3,023 NZD
B+
Retailer 2
-
$3,565 NZD
View
B+
Retailer 3
-
$3,673 NZD
View
B+
Retailer 4
-
$3,752 NZD
View
Final sale: no returns
B+
Retailer 5
-
$3,848 NZD
View
Retailer 6
-
$4,066 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,066 NZD
View
B+
Retailer 8
-
$4,077 NZD
View
B
Retailer 9
-
$4,199 NZD
View
B
Retailer 10
-
$4,254 NZD
View
B
Retailer 11
-
$4,315 NZD
View
B+
Retailer 12
-
$4,403 NZD
View
B+
Retailer 13
-
$4,690 NZD
View
B
Retailer 14
-
$4,741 NZD
View
B+
Retailer 15
-
$4,961 NZD
View
Retailer 16
-
$5,125 NZD
View
Price last confirmed 31 days ago
B
Retailer 17
-
$5,841 NZD
View
B
Retailer 18
-
$7,104 NZD
View
Most Expensive
B
NZ Jewellers
468513ec-9b8d-4a44-bbbc-c7da6172cc2c · Nov 5
$8,500 NZD
$4,712 USD
View
18 more retailers have this diamond
Prices start from $3,023 NZDSave up to $5,477 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
$3,023 NZD