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Marquise|Natural|GIA

0.64ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6555095615

Certificate GIA 6555095615

Diamond specifications and retailer prices

From $803 USD
₹76,515 INR
As of November 2, 2026
Save $622 USD (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,426 USD 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 F 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 6555095615. Listed at 3 retailers as of November 2, 2026, with prices from $803 to $1,426, a $622 spread on the same certified stone. 77 Diamonds lists it at $1,426. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555095615
Dimensions8.73 × 4.35 × 2.70 mm
L/W Ratio2.01
Top View
8.73 mm4.35 mm0.64 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555095615
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 2
Current: $1,426 USD|Low: $802 USD|High: $1,440 USD|Avg: $1,129 USD|+1.4%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$803 USD
Retailer 3$1,152 USD
77 Diamonds$1,426 USD

46 data points across 3 retailers

3 retailers$803 USD to $1,426 USD

A
Cheapest Retailer
-
$803 USD
₹76,515 INR
B
Retailer 2
-
$1,152 USD
View
Most Expensive
B
77 Diamonds
MQCPTAEWYNBR · Nov 2
$1,426 USD
£1,123 GBP
View
2 more retailers have this diamond
Prices start from $803 USDSave up to $622 USD

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
$803 USD