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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2546010111

Certificate GIA 2546010111

Diamond specifications and retailer prices

From $2,585 NZD
As of November 6, 2026
Save $4,246 NZD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,831 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 2546010111. Listed at 16 retailers as of November 5, 2026, with prices from $2,585 to $6,831, a $4,246 spread on the same certified stone. NZ Jewellers lists it at $6,831. 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
SymmetryVery Good
FluorescenceNone
Crown angle37.78°
Pavilion angle38.79°
OriginNatural
Grading LabGIA
CertificateGIA 2546010111
Dimensions6.06 × 6.87 × 3.96 mm
L/W Ratio1.13
Top View
6.06 mm6.87 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546010111
Side View
Table 56.0%Crown 37.78°Girdle: THK-VTKPavilion 38.79°Culet: NoneDepth 57.6%

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: $6,831 NZD|Low: $2,369 NZD|High: $6,831 NZD|Avg: $3,358 NZD
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 14$2,585 NZD
Retailer 4$2,596 NZD
Retailer 13$2,598 NZD
Retailer 8$2,717 NZD
Retailer 11$2,722 NZD
Retailer 3$2,800 NZD
Retailer 5$2,800 NZD
Retailer 12$2,930 NZD
Retailer 2$3,085 NZD
Retailer 15$3,094 NZD
Retailer 6$3,231 NZD
Retailer 9$3,417 NZD
Retailer 7$3,781 NZD
Retailer 10$4,892 NZD
NZ Jewellers$6,831 NZD

37 data points across 15 retailers

16 retailers$2,585 NZD to $6,831 NZD

A
Cheapest Retailer
-
$2,585 NZD
Final sale: no returns
A
Retailer 2
-
$2,596 NZD
View
A
Retailer 3
-
$2,598 NZD
View
A
Retailer 4
-
$2,717 NZD
View
A
Retailer 5
-
$2,722 NZD
View
Retailer 6
-
$2,800 NZD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$2,800 NZD
View
A
Retailer 8
-
$2,930 NZD
View
A
Retailer 9
-
$3,085 NZD
View
A
Retailer 10
-
$3,094 NZD
View
B+
Retailer 11
-
$3,231 NZD
View
Retailer 12
-
$3,299 NZD
View
Price last confirmed 42 days ago
B+
Retailer 13
-
$3,417 NZD
View
Retailer 14
-
$3,781 NZD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$4,892 NZD
View
Most Expensive
B
NZ Jewellers
0c9d224c-bc33-4999-bb6f-ec63abb3d2eb · Nov 5
$6,831 NZD
$3,787 USD
View
15 more retailers have this diamond
Prices start from $2,585 NZDSave up to $4,246 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
$2,585 NZD