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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 1555914398

Certificate GIA 1555914398

Diamond specifications and retailer prices

From $2,724 NZD
As of November 6, 2026
Save $6,110 NZD (69%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,834 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 1555914398. Listed at 23 retailers as of November 5, 2026, with prices from $2,724 to $8,834, a $6,110 spread on the same certified stone. NZ Jewellers lists it at $8,834. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555914398
Dimensions6.41 × 7.05 × 3.84 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Needle
Top View
6.41 mm7.05 mm1.00 ctH / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555914398
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 54.5%

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: $8,834 NZD|Low: $2,724 NZD|High: $8,834 NZD|Avg: $4,474 NZD|+15.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 7, 2026
Retailer 10$2,724 NZD
Retailer 14$2,854 NZD
Retailer 9$3,343 NZD
Retailer 20$3,377 NZD
Retailer 18$3,382 NZD
Retailer 13$3,436 NZD
Retailer 15$3,512 NZD
Retailer 4$3,622 NZD
Retailer 12$3,646 NZD
Retailer 17$3,772 NZD
Retailer 5$3,788 NZD
Retailer 6$3,788 NZD
Retailer 8$3,869 NZD
Retailer 2$3,922 NZD
Retailer 7$4,180 NZD
Retailer 19$4,420 NZD
Retailer 16$4,919 NZD
Retailer 3$6,326 NZD
Retailer 11$7,845 NZD
NZ Jewellers$8,834 NZD

22 data points across 20 retailers

23 retailers$2,724 NZD to $8,834 NZD

A
Cheapest Retailer
-
$2,724 NZD
A
Retailer 2
-
$2,854 NZD
View
B+
Retailer 3
-
$3,343 NZD
View
Final sale: no returns
B+
Retailer 4
-
$3,377 NZD
View
B+
Retailer 5
-
$3,382 NZD
View
B+
Retailer 6
-
$3,436 NZD
View
B+
Retailer 7
-
$3,436 NZD
View
B+
Retailer 8
-
$3,512 NZD
View
B+
Retailer 9
-
$3,622 NZD
View
Retailer 10
-
$3,646 NZD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$3,738 NZD
View
B+
Retailer 12
-
$3,772 NZD
View
B+
Retailer 13
-
$3,788 NZD
View
B+
Retailer 14
-
$3,788 NZD
View
B+
Retailer 15
-
$3,869 NZD
View
B+
Retailer 16
-
$3,922 NZD
View
B+
Retailer 17
-
$4,180 NZD
View
B+
Retailer 18
-
$4,420 NZD
View
Retailer 19
-
$4,524 NZD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$4,919 NZD
View
B
Retailer 21
-
$6,326 NZD
View
Retailer 22
-
$7,845 NZD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
6d2906d9-6a01-487d-a4f8-06178ea42c17 · Nov 5
$8,834 NZD
$4,897 USD
View
22 more retailers have this diamond
Prices start from $2,724 NZDSave up to $6,110 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
$2,724 NZD