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Heart|Natural|GIA

0.64ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6535657775

Certificate GIA 6535657775

Diamond specifications and retailer prices

From $653 SGD
₹48,621 INR
As of November 1, 2026
Save $2,075 SGD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,728 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6535657775. Listed at 18 retailers as of October 30, 2026, with prices from $653 to $2,728, a $2,075 spread on the same certified stone. NZ Jewellers lists it at $2,728. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535657775
Dimensions5.17 × 6.09 × 3.50 mm
L/W Ratio1.18
Top View
5.17 mm6.09 mm0.64 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535657775
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.5%

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: $2,728 SGD|Low: $651 SGD|High: $2,728 SGD|Avg: $1,095 SGD
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
November 1, 2026
Retailer 2$653 SGD
Retailer 16$736 SGD
Retailer 9$775 SGD
Retailer 4$803 SGD
Retailer 14$838 SGD
Retailer 17$844 SGD
Retailer 7$869 SGD
Retailer 15$904 SGD
Retailer 8$912 SGD
Retailer 6$1,004 SGD
Retailer 13$1,062 SGD
Retailer 10$1,068 SGD
Retailer 12$1,084 SGD
Retailer 5$1,085 SGD
Retailer 3$1,224 SGD
Retailer 11$2,008 SGD
NZ Jewellers$2,728 SGD

23 data points across 17 retailers

18 retailers$653 SGD to $2,728 SGD

A
Cheapest Retailer
-
$653 SGD
₹48,621 INR
A
Retailer 2
-
$736 SGD
HK$4,500 HKD
View
A
Retailer 3
-
$775 SGD
$606 USD
View
A
Retailer 4
-
$803 SGD
$628 USD
View
Final sale: no returns
Retailer 5
-
$838 SGD
€624 EUR
View
Price last confirmed 6 days ago
A
Retailer 6
-
$844 SGD
View
A
Retailer 7
-
$869 SGD
$680 USD
View
A
Retailer 8
-
$904 SGD
$707 USD
View
A
Retailer 9
-
$912 SGD
View
A
Retailer 10
-
$1,004 SGD
$785 USD
View
A
Retailer 11
-
$1,062 SGD
£654 GBP
View
B+
Retailer 12
-
$1,068 SGD
£658 GBP
View
B+
Retailer 13
-
$1,084 SGD
£668 GBP
View
B+
Retailer 14
-
$1,085 SGD
$849 USD
View
B+
Retailer 15
-
$1,224 SGD
$957 USD
View
Retailer 16
-
$1,238 SGD
$968 USD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$2,008 SGD
£1,237 GBP
View
Most Expensive
B
NZ Jewellers
c593a272-9d06-45be-94bd-0cb6913adfcf · Oct 30
$2,728 SGD
$2,134 USD
View
17 more retailers have this diamond
Prices start from $653 SGDSave up to $2,075 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
$653 SGD