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Heart|Natural|GIA

1.64ct F I1 Heart Natural Diamond

ID • F/I1 • GIA 2517167385

Certificate GIA 2517167385

Diamond specifications and retailer prices

From $5,636 AUD
$3,950 USD
As of November 1, 2026
Save $5,526 AUD (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,163 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.64ct natural heart diamond

This 1.64ct natural heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2517167385. Listed at 6 retailers as of October 30, 2026, with prices from $5,636 to $11,163, a $5,526 spread on the same certified stone. NZ Jewellers lists it at $11,163. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
F
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2517167385
Dimensions7.22 × 8.19 × 4.52 mm
L/W Ratio1.13
Top View
7.22 mm8.19 mm1.64 ctF / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2517167385
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 55.2%

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 1
Current: $11,163 AUD|Low: $4,870 AUD|High: $11,163 AUD|Avg: $6,906 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 10$4,870 AUD
Retailer 2$5,636 AUD
Retailer 7$5,651 AUD
Retailer 3$6,407 AUD
Retailer 4$6,407 AUD
Retailer 5$6,407 AUD
Retailer 9$7,085 AUD
Retailer 6$7,393 AUD
Retailer 8$7,624 AUD
NZ Jewellers$11,163 AUD

16 data points across 10 retailers

6 retailers$5,636 AUD to $11,163 AUD

A
Cheapest Retailer
-
$5,636 AUD
$3,950 USD
A
Retailer 2
-
$6,407 AUD
$4,490 USD
View
A
Retailer 3
-
$6,407 AUD
$4,490 USD
View
A
Retailer 4
-
$6,407 AUD
$4,490 USD
View
B+
Retailer 5
-
$7,393 AUD
$5,181 USD
View
Most Expensive
B
NZ Jewellers
d464de04-418e-4312-9dd3-fb5465929689 · Oct 30
$11,163 AUD
$7,823 USD
View
5 more retailers have this diamond
Prices start from $5,636 AUDSave up to $5,526 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
1.64ct Heart
$5,636 AUD