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Heart|Natural|GIA

0.64ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6515484361

Certificate GIA 6515484361

Diamond specifications and retailer prices

From $792 AUD
$556 USD
As of November 1, 2026
Save $761 AUD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,553 AUD at GemTrove · As of November 1, 2026
View at GemTrove

About this 0.64ct natural heart diamond

This 0.64ct natural heart sits in the half to three-quarter carat band, graded D 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 6515484361. Listed at 11 retailers as of November 1, 2026, with prices from $792 to $1,553, a $761 spread on the same certified stone. GemTrove lists it at $1,553. 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

0.64
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6515484361
Dimensions5.96 × 5.44 × 3.11 mm
L/W Ratio1.10
Top View
5.96 mm5.44 mm0.64 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6515484361
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,553 AUD|Low: $790 AUD|High: $1,553 AUD|Avg: $1,134 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$792 AUD
Retailer 4$810 AUD
Retailer 11$930 AUD
Retailer 7$989 AUD
Retailer 5$1,038 AUD
Retailer 2$1,102 AUD
Retailer 6$1,125 AUD
Retailer 3$1,126 AUD
Retailer 9$1,167 AUD
Retailer 10$1,210 AUD
GemTrove$1,553 AUD

43 data points across 11 retailers

11 retailers$792 AUD to $1,553 AUD

A
Cheapest Retailer
-
$792 AUD
$556 USD
A
Retailer 2
-
$810 AUD
$569 USD
View
Final sale: no returns
A
Retailer 3
-
$930 AUD
MYR 2,661 MYR
View
A
Retailer 4
-
$989 AUD
SGD 939 SGD
View
A
Retailer 5
-
$1,038 AUD
$729 USD
View
A
Retailer 6
-
$1,102 AUD
£609 GBP
View
A
Retailer 7
-
$1,125 AUD
$790 USD
View
Retailer 8
-
$1,126 AUD
$791 USD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$1,167 AUD
$820 USD
View
B+
Retailer 10
-
$1,210 AUD
$850 USD
View
Most Expensive
B+
GemTrove
GT-N-01262966-98 · Nov 1
$1,553 AUD
View
10 more retailers have this diamond
Prices start from $792 AUDSave up to $761 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
0.64ct Heart
$792 AUD