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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 $906 NZD
₹48,621 INR
As of November 1, 2026
Save $2,881 NZD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,786 NZD 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 $906 to $3,786, a $2,881 spread on the same certified stone. NZ Jewellers lists it at $3,786. 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

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: $3,786 NZD|Low: $904 NZD|High: $3,786 NZD|Avg: $1,556 NZD
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
November 2, 2026
Retailer 9$906 NZD
Retailer 15$1,022 NZD
Retailer 4$1,114 NZD
Retailer 13$1,163 NZD
Retailer 16$1,171 NZD
Retailer 7$1,207 NZD
Retailer 14$1,254 NZD
Retailer 8$1,266 NZD
Retailer 6$1,393 NZD
Retailer 12$1,474 NZD
Retailer 10$1,482 NZD
Retailer 2$1,504 NZD
Retailer 5$1,506 NZD
Retailer 3$1,699 NZD
Retailer 11$2,787 NZD
NZ Jewellers$3,786 NZD

24 data points across 16 retailers

18 retailers$906 NZD to $3,786 NZD

A
Cheapest Retailer
-
$906 NZD
₹48,621 INR
A
Retailer 2
-
$1,022 NZD
HK$4,500 HKD
View
A
Retailer 3
-
$1,075 NZD
$606 USD
View
A
Retailer 4
-
$1,114 NZD
$628 USD
View
Final sale: no returns
Retailer 5
-
$1,163 NZD
€624 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,171 NZD
SGD 892 SGD
View
A
Retailer 7
-
$1,207 NZD
$680 USD
View
A
Retailer 8
-
$1,254 NZD
$707 USD
View
A
Retailer 9
-
$1,266 NZD
SGD 964 SGD
View
A
Retailer 10
-
$1,393 NZD
$785 USD
View
A
Retailer 11
-
$1,474 NZD
£654 GBP
View
B+
Retailer 12
-
$1,482 NZD
£658 GBP
View
B+
Retailer 13
-
$1,504 NZD
£668 GBP
View
B+
Retailer 14
-
$1,506 NZD
$849 USD
View
B+
Retailer 15
-
$1,699 NZD
$957 USD
View
Retailer 16
-
$1,718 NZD
$968 USD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$2,787 NZD
£1,237 GBP
View
Most Expensive
B
NZ Jewellers
c593a272-9d06-45be-94bd-0cb6913adfcf · Oct 30
$3,786 NZD
$2,134 USD
View
17 more retailers have this diamond
Prices start from $906 NZDSave up to $2,881 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
$906 NZD