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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 $2,721 AUD
HK$14,900 HKD
As of November 1, 2026
Save $3,668 AUD (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,390 AUD 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 $2,721 to $6,390, a $3,668 spread on the same certified stone. MOH London lists it at $6,390. 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
Colour
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: $6,390 AUD|Low: $2,685 AUD|High: $6,424 AUD|Avg: $4,119 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 4$2,721 AUD
Retailer 5$3,393 AUD
Retailer 2$3,898 AUD
Retailer 6$4,196 AUD
Retailer 3$4,553 AUD
MOH London$6,390 AUD

8 data points across 6 retailers

6 retailers$2,721 AUD to $6,390 AUD

B+
Cheapest Retailer
-
$2,721 AUD
HK$14,900 HKD
B
Retailer 2
-
$3,393 AUD
$2,378 USD
View
B+
Retailer 3
-
$3,898 AUD
£2,151 GBP
View
B
Retailer 4
-
$4,196 AUD
$2,941 USD
View
B
Retailer 5
-
$4,553 AUD
€3,039 EUR
View
Most Expensive
B
MOH London
96F548AFB · Nov 2
$6,390 AUD
£3,526 GBP
View
5 more retailers have this diamond
Prices start from $2,721 AUDSave up to $3,668 AUD

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
$2,721 AUD