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Heart|Natural|GIA

1.02ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 3545519851

Certificate GIA 3545519851

Diamond specifications and retailer prices

From $2,403 AUD
As of November 6, 2026
Save $4,034 AUD (63%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,437 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545519851. Listed at 20 retailers as of November 5, 2026, with prices from $2,403 to $6,437, a $4,034 spread on the same certified stone. NZ Jewellers lists it at $6,437. 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

1.02
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 3545519851
Dimensions6.14 × 6.90 × 4.06 mm
L/W Ratio1.12
Top View
6.14 mm6.90 mm1.02 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545519851
Side View
Table 59.0%CrownGirdle: MED-THKPavilion 37.9°Culet: NoneDepth 58.9%

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: $6,437 AUD|Low: $2,384 AUD|High: $6,580 AUD|Avg: $3,532 AUD|-2.2%
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
November 7, 2026
Retailer 8$2,403 AUD
Retailer 10$2,438 AUD
Retailer 19$2,575 AUD
Retailer 4$2,669 AUD
Retailer 14$2,787 AUD
Retailer 3$2,847 AUD
Retailer 16$2,853 AUD
Retailer 11$2,917 AUD
Retailer 7$2,969 AUD
Retailer 15$2,986 AUD
Retailer 18$3,029 AUD
Retailer 6$3,209 AUD
Retailer 12$3,334 AUD
Retailer 13$3,374 AUD
Retailer 17$3,758 AUD
Retailer 5$4,931 AUD
Retailer 9$5,050 AUD
Retailer 2$5,365 AUD
NZ Jewellers$6,437 AUD

20 data points across 19 retailers

20 retailers$2,403 AUD to $6,437 AUD

A
Cheapest Retailer
-
$2,403 AUD
A
Retailer 2
-
$2,438 AUD
View
A
Retailer 3
-
$2,575 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,669 AUD
View
A
Retailer 5
-
$2,787 AUD
View
A
Retailer 6
-
$2,847 AUD
View
A
Retailer 7
-
$2,853 AUD
View
A
Retailer 8
-
$2,917 AUD
View
A
Retailer 9
-
$2,969 AUD
View
A
Retailer 10
-
$2,986 AUD
View
A
Retailer 11
-
$3,029 AUD
View
B+
Retailer 12
-
$3,209 AUD
View
B+
Retailer 13
-
$3,334 AUD
View
B+
Retailer 14
-
$3,374 AUD
View
B+
Retailer 15
-
$3,758 AUD
View
Retailer 16
-
$3,981 AUD
View
Price last confirmed 32 days ago
B
Retailer 17
-
$4,931 AUD
View
B
Retailer 18
-
$5,050 AUD
View
B
Retailer 19
-
$5,365 AUD
View
Most Expensive
B
NZ Jewellers
403bec99-246d-4ded-b7e2-18fc349f5c48 · Nov 5
$6,437 AUD
$4,423 USD
View
19 more retailers have this diamond
Prices start from $2,403 AUDSave up to $4,034 AUD

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
1.02ct Heart
$2,403 AUD