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Heart|Natural|GIA

1.03ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 6541531057

Certificate GIA 6541531057

Diamond specifications and retailer prices

From $3,021 NZD
£1,338 GBP
As of November 2, 2026
Save $4,431 NZD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,452 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541531057. Listed at 6 retailers as of November 2, 2026, with prices from $3,021 to $7,452, a $4,431 spread on the same certified stone. NZ Jewellers lists it at $7,452. 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

1.03
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.17°
Pavilion angle42.89°
OriginNatural
Grading LabGIA
CertificateGIA 6541531057
Dimensions6.03 × 7.04 × 4.20 mm
L/W Ratio1.17
Top View
6.03 mm7.04 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6541531057
Side View
Table 62.0%Crown 38.17°Girdle: STK-THKPavilion 42.89°Culet: NoneDepth 59.7%

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 2
Current: $7,452 NZD|Low: $2,868 NZD|High: $7,452 NZD|Avg: $4,133 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$2,868 NZD
Retailer 2$3,021 NZD
Retailer 4$3,055 NZD
Retailer 6$3,196 NZD
Retailer 5$3,283 NZD
Retailer 8$3,732 NZD
Retailer 9$4,182 NZD
Retailer 3$5,354 NZD
NZ Jewellers$7,452 NZD

27 data points across 9 retailers

6 retailers$3,021 NZD to $7,452 NZD

A
Cheapest Retailer
-
$3,021 NZD
£1,338 GBP
A
Retailer 2
-
$3,055 NZD
$1,719 USD
View
A
Retailer 3
-
$3,196 NZD
$1,798 USD
View
A
Retailer 4
-
$3,283 NZD
$1,847 USD
View
B+
Retailer 5
-
$5,354 NZD
£2,372 GBP
View
Most Expensive
B
NZ Jewellers
ea271e85-02d0-421d-bd70-cd62fb49ac31 · Nov 3
$7,452 NZD
$4,193 USD
View
5 more retailers have this diamond
Prices start from $3,021 NZDSave up to $4,431 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
1.03ct Heart
$3,021 NZD