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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 $987 NZD
$556 USD
As of November 1, 2026
Save $949 NZD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,935 NZD 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 $987 to $1,935, a $949 spread on the same certified stone. GemTrove lists it at $1,935. 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: $1,935 NZD|Low: $985 NZD|High: $1,935 NZD|Avg: $1,410 NZD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9$987 NZD
Retailer 5$1,010 NZD
Retailer 11$1,159 NZD
Retailer 8$1,233 NZD
Retailer 6$1,293 NZD
Retailer 4$1,373 NZD
Retailer 7$1,402 NZD
Retailer 3$1,403 NZD
Retailer 2$1,455 NZD
Retailer 10$1,455 NZD
GemTrove$1,935 NZD

43 data points across 11 retailers

11 retailers$987 NZD to $1,935 NZD

A
Cheapest Retailer
-
$987 NZD
$556 USD
A
Retailer 2
-
$1,010 NZD
$569 USD
View
Final sale: no returns
A
Retailer 3
-
$1,159 NZD
MYR 2,661 MYR
View
A
Retailer 4
-
$1,233 NZD
SGD 939 SGD
View
A
Retailer 5
-
$1,293 NZD
$729 USD
View
A
Retailer 6
-
$1,373 NZD
£609 GBP
View
A
Retailer 7
-
$1,402 NZD
$790 USD
View
Retailer 8
-
$1,403 NZD
$791 USD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$1,455 NZD
$820 USD
View
A
Retailer 10
-
$1,455 NZD
$820 USD
View
Most Expensive
B+
GemTrove
GT-N-01262966-98 · Nov 1
$1,935 NZD
A$1,678 AUD
View
10 more retailers have this diamond
Prices start from $987 NZDSave up to $949 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
0.64ct Heart
$987 NZD