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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 $2,978 NZD
As of November 6, 2026
Save $5,000 NZD (63%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,979 NZD 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 $2,978 to $7,979, a $5,000 spread on the same certified stone. NZ Jewellers lists it at $7,979. 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: $7,979 NZD|Low: $2,955 NZD|High: $8,155 NZD|Avg: $4,378 NZD|-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$2,978 NZD
Retailer 10$3,022 NZD
Retailer 19$3,191 NZD
Retailer 4$3,308 NZD
Retailer 14$3,454 NZD
Retailer 3$3,528 NZD
Retailer 16$3,536 NZD
Retailer 11$3,615 NZD
Retailer 7$3,680 NZD
Retailer 15$3,702 NZD
Retailer 18$3,754 NZD
Retailer 6$3,978 NZD
Retailer 12$4,133 NZD
Retailer 13$4,181 NZD
Retailer 17$4,658 NZD
Retailer 5$6,112 NZD
Retailer 9$6,260 NZD
Retailer 2$6,649 NZD
NZ Jewellers$7,979 NZD

20 data points across 19 retailers

20 retailers$2,978 NZD to $7,979 NZD

A
Cheapest Retailer
-
$2,978 NZD
A
Retailer 2
-
$3,022 NZD
View
A
Retailer 3
-
$3,191 NZD
View
Final sale: no returns
A
Retailer 4
-
$3,308 NZD
View
A
Retailer 5
-
$3,454 NZD
View
A
Retailer 6
-
$3,528 NZD
View
A
Retailer 7
-
$3,536 NZD
View
A
Retailer 8
-
$3,615 NZD
View
A
Retailer 9
-
$3,680 NZD
View
A
Retailer 10
-
$3,702 NZD
View
A
Retailer 11
-
$3,754 NZD
View
B+
Retailer 12
-
$3,978 NZD
View
B+
Retailer 13
-
$4,133 NZD
View
B+
Retailer 14
-
$4,181 NZD
View
B+
Retailer 15
-
$4,658 NZD
View
Retailer 16
-
$4,934 NZD
View
Price last confirmed 32 days ago
B
Retailer 17
-
$6,112 NZD
View
B
Retailer 18
-
$6,260 NZD
View
B
Retailer 19
-
$6,649 NZD
View
Most Expensive
B
NZ Jewellers
403bec99-246d-4ded-b7e2-18fc349f5c48 · Nov 5
$7,979 NZD
$4,423 USD
View
19 more retailers have this diamond
Prices start from $2,978 NZDSave up to $5,000 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
1.02ct Heart
$2,978 NZD