Heart|Natural|GIA

1.00ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 5553588987

Certificate GIA 5553588987

Diamond specifications and retailer prices

From $2,455 NZD
As of November 6, 2026
Save $5,634 NZD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,089 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553588987. Listed at 14 retailers as of November 5, 2026, with prices from $2,455 to $8,089, a $5,634 spread on the same certified stone. NZ Jewellers lists it at $8,089. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553588987
Dimensions6.86 × 5.79 × 4.15 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle
Top View
6.86 mm5.79 mm1.00 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553588987
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.5%

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: $8,089 NZD|Low: $2,289 NZD|High: $8,089 NZD|Avg: $3,705 NZD|+0.9%
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
November 6, 2026
Retailer 8$2,455 NZD
Retailer 6$2,646 NZD
Retailer 5$2,747 NZD
Retailer 14$3,005 NZD
Retailer 16$3,005 NZD
Retailer 7$3,103 NZD
Retailer 15$3,142 NZD
Retailer 2$3,260 NZD
Retailer 9$3,314 NZD
Retailer 17$3,328 NZD
Retailer 13$3,467 NZD
Retailer 3$3,536 NZD
Retailer 18$3,536 NZD
Retailer 4$3,644 NZD
Retailer 10$3,694 NZD
Retailer 11$4,503 NZD
Retailer 12$5,809 NZD
NZ Jewellers$8,089 NZD

35 data points across 18 retailers

14 retailers$2,455 NZD to $8,089 NZD

A
Cheapest Retailer
-
$2,455 NZD
A
Retailer 2
-
$2,646 NZD
View
A
Retailer 3
-
$3,005 NZD
View
B+
Retailer 4
-
$3,103 NZD
View
B+
Retailer 5
-
$3,142 NZD
View
B+
Retailer 6
-
$3,260 NZD
View
B+
Retailer 7
-
$3,328 NZD
View
B+
Retailer 8
-
$3,467 NZD
View
B+
Retailer 9
-
$3,536 NZD
View
B+
Retailer 10
-
$3,536 NZD
View
B+
Retailer 11
-
$3,644 NZD
View
B+
Retailer 12
-
$4,503 NZD
View
B
Retailer 13
-
$5,809 NZD
View
Most Expensive
B
NZ Jewellers
d5307ce0-16e2-407b-9e7e-13e2ee616e02 · Nov 5
$8,089 NZD
$4,484 USD
View
13 more retailers have this diamond
Prices start from $2,455 NZDSave up to $5,634 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
$2,455 NZD