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Marquise|Natural|GIA

0.64ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6545688659

Certificate GIA 6545688659

Diamond specifications and retailer prices

From $1,584 NZD
$893 USD
As of November 2, 2026
Save $399 NZD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,983 NZD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.64ct natural marquise diamond

This 0.64ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545688659. Listed at 4 retailers as of November 2, 2026, with prices from $1,584 to $1,983, a $399 spread on the same certified stone. 77 Diamonds lists it at $1,983. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545688659
Dimensions8.43 × 4.56 × 2.90 mm
L/W Ratio1.85
Top View
8.43 mm4.56 mm0.64 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545688659
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.6%

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 2
Current: $1,983 NZD|Low: $1,421 NZD|High: $2,099 NZD|Avg: $1,788 NZD|+6.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$1,584 NZD
Retailer 5$1,591 NZD
Retailer 2$1,819 NZD
Retailer 4$1,943 NZD
77 Diamonds$1,983 NZD

40 data points across 5 retailers

4 retailers$1,584 NZD to $1,983 NZD

A
Cheapest Retailer
-
$1,584 NZD
$893 USD
Final sale: no returns
B+
Retailer 2
-
$1,819 NZD
$1,025 USD
View
B+
Retailer 3
-
$1,943 NZD
SGD 1,480 SGD
View
Most Expensive
B+
77 Diamonds
MQCPJGQQHD3A · Nov 2
$1,983 NZD
£880 GBP
View
3 more retailers have this diamond
Prices start from $1,584 NZDSave up to $399 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 Marquise
$1,584 NZD