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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 HK$7,006 HKD
$893 USD
As of November 2, 2026
Save HK$1,764 HKD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$8,771 HKD 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 HK$7,006 to HK$8,771, a HK$1,764 spread on the same certified stone. 77 Diamonds lists it at HK$8,771. 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: HK$8,771 HKD|Low: HK$6,284 HKD|High: HK$9,284 HKD|Avg: HK$7,907 HKD|+6.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3HK$7,006 HKD
Retailer 5HK$7,035 HKD
Retailer 2HK$8,042 HKD
Retailer 4HK$8,593 HKD
77 DiamondsHK$8,771 HKD

40 data points across 5 retailers

4 retailersHK$7,006 HKD to HK$8,771 HKD

A
Cheapest Retailer
-
HK$7,006 HKD
$893 USD
Final sale: no returns
B+
Retailer 2
-
HK$8,042 HKD
$1,025 USD
View
B+
Retailer 3
-
HK$8,593 HKD
SGD 1,480 SGD
View
Most Expensive
B+
77 Diamonds
MQCPJGQQHD3A · Nov 2
HK$8,771 HKD
£880 GBP
View
3 more retailers have this diamond
Prices start from HK$7,006 HKDSave up to HK$1,764 HKD

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
HK$7,006 HKD