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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 $1,700 USD
£1,338 GBP
As of November 2, 2026
Save $2,493 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,193 USD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $1,700 to $4,193, a $2,493 spread on the same certified stone. NZ Jewellers lists it at $4,193. 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
Color
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: $4,193 USD|Low: $1,614 USD|High: $4,193 USD|Avg: $2,329 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$1,614 USD
Retailer 2$1,700 USD
Retailer 4$1,719 USD
Retailer 6$1,798 USD
Retailer 5$1,847 USD
Retailer 8$2,100 USD
Retailer 9$2,353 USD
Retailer 3$3,012 USD
NZ Jewellers$4,193 USD

28 data points across 9 retailers

6 retailers$1,700 USD to $4,193 USD

A
Cheapest Retailer
-
$1,700 USD
£1,338 GBP
A
Retailer 2
-
$1,719 USD
View
A
Retailer 3
-
$1,798 USD
View
A
Retailer 4
-
$1,847 USD
View
B+
Retailer 5
-
$3,012 USD
£2,372 GBP
View
Most Expensive
B
NZ Jewellers
ea271e85-02d0-421d-bd70-cd62fb49ac31 · Oct 30
$4,193 USD
View
5 more retailers have this diamond
Prices start from $1,700 USDSave up to $2,493 USD

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
$1,700 USD