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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 $711 SGD
$556 USD
As of November 1, 2026
Save $684 SGD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,394 SGD 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 $711 to $1,394, a $684 spread on the same certified stone. GemTrove lists it at $1,394. 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

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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: $1,394 SGD|Low: $710 SGD|High: $1,394 SGD|Avg: $1,019 SGD
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$711 SGD
Retailer 4$727 SGD
Retailer 11$835 SGD
Retailer 7$888 SGD
Retailer 5$932 SGD
Retailer 2$989 SGD
Retailer 6$1,010 SGD
Retailer 3$1,011 SGD
Retailer 9$1,048 SGD
Retailer 10$1,087 SGD
GemTrove$1,394 SGD

43 data points across 11 retailers

11 retailers$711 SGD to $1,394 SGD

A
Cheapest Retailer
-
$711 SGD
$556 USD
A
Retailer 2
-
$727 SGD
$569 USD
View
Final sale: no returns
A
Retailer 3
-
$835 SGD
MYR 2,661 MYR
View
A
Retailer 4
-
$888 SGD
View
A
Retailer 5
-
$932 SGD
$729 USD
View
A
Retailer 6
-
$989 SGD
£609 GBP
View
A
Retailer 7
-
$1,010 SGD
$790 USD
View
Retailer 8
-
$1,011 SGD
$791 USD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$1,048 SGD
$820 USD
View
B+
Retailer 10
-
$1,087 SGD
$850 USD
View
Most Expensive
B+
GemTrove
GT-N-01262966-98 · Nov 1
$1,394 SGD
A$1,678 AUD
View
10 more retailers have this diamond
Prices start from $711 SGDSave up to $684 SGD

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
$711 SGD