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Marquise|Natural|GIA

0.80ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 5566580172

Certificate GIA 5566580172

Diamond specifications and retailer prices

From $2,665 CAD
HK$14,900 HKD
As of November 1, 2026
Save $3,592 CAD (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,258 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-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 5566580172. Listed at 6 retailers as of November 1, 2026, with prices from $2,665 to $6,258, a $3,592 spread on the same certified stone. MOH London lists it at $6,258. 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

0.80
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566580172
Dimensions10.19 × 4.62 × 2.99 mm
L/W Ratio2.21
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
10.19 mm4.62 mm0.80 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566580172
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,258 CAD|Low: $2,629 CAD|High: $6,291 CAD|Avg: $4,022 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$2,665 CAD
Retailer 5$3,323 CAD
Retailer 3$3,785 CAD
Retailer 6$4,110 CAD
Retailer 2$4,459 CAD
MOH London$6,258 CAD

7 data points across 6 retailers

6 retailers$2,665 CAD to $6,258 CAD

B+
Cheapest Retailer
-
$2,665 CAD
HK$14,900 HKD
B
Retailer 2
-
$3,323 CAD
$2,378 USD
View
B+
Retailer 3
-
$3,785 CAD
£2,133 GBP
View
B
Retailer 4
-
$4,110 CAD
$2,941 USD
View
B
Retailer 5
-
$4,459 CAD
€3,039 EUR
View
Most Expensive
B
MOH London
96F548AFB · Nov 2
$6,258 CAD
£3,526 GBP
View
5 more retailers have this diamond
Prices start from $2,665 CADSave up to $3,592 CAD

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.

B+
0.80ct Marquise
$2,665 CAD