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Marquise|Natural|GIA

1.20ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 6545918778

Certificate GIA 6545918778

Diamond specifications and retailer prices

From €3,215 EUR
As of November 5, 2026
Save €3,689 EUR (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,905 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded F 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 6545918778. Listed at 21 retailers as of November 4, 2026, with prices from €3,215 to €6,905, a €3,689 spread on the same certified stone. MOH London lists it at €6,905. 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

1.20
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545918778
Dimensions10.36 × 5.54 × 3.53 mm
L/W Ratio1.87
Top View
10.36 mm5.54 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545918778
Side View
Table 63.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 63.8%

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 5
Current: €6,905 EUR|Low: €3,215 EUR|High: €7,363 EUR|Avg: €4,402 EUR|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 18€3,215 EUR
Retailer 7€3,396 EUR
Retailer 13€3,430 EUR
Retailer 5€3,464 EUR
Retailer 8€3,473 EUR
Retailer 15€3,594 EUR
Retailer 6€3,634 EUR
Retailer 12€3,660 EUR
Retailer 4€3,915 EUR
Retailer 19€4,003 EUR
Retailer 10€4,133 EUR
Retailer 17€4,254 EUR
Retailer 14€4,274 EUR
Retailer 9€4,434 EUR
Retailer 20€4,434 EUR
Retailer 3€4,577 EUR
Retailer 16€4,615 EUR
Retailer 2€4,693 EUR
Retailer 11€6,289 EUR
MOH London€6,905 EUR

23 data points across 20 retailers

21 retailers€3,215 EUR to €6,905 EUR

A
Cheapest Retailer
-
€3,215 EUR
B+
Retailer 2
-
€3,341 EUR
View
B+
Retailer 3
-
€3,396 EUR
View
B+
Retailer 4
-
€3,430 EUR
View
B+
Retailer 5
-
€3,464 EUR
View
B+
Retailer 6
-
€3,473 EUR
View
B+
Retailer 7
-
€3,593 EUR
View
B+
Retailer 8
-
€3,594 EUR
View
B+
Retailer 9
-
€3,634 EUR
View
Final sale: no returns
B+
Retailer 10
-
€3,915 EUR
View
B+
Retailer 11
-
€4,003 EUR
View
B
Retailer 12
-
€4,133 EUR
View
B+
Retailer 13
-
€4,254 EUR
View
B+
Retailer 14
-
€4,274 EUR
View
B+
Retailer 15
-
€4,434 EUR
View
B+
Retailer 16
-
€4,434 EUR
View
B
Retailer 17
-
€4,577 EUR
View
B+
Retailer 18
-
€4,615 EUR
View
Retailer 19
-
€4,693 EUR
View
B
Retailer 20
-
€6,289 EUR
View
Most Expensive
B
MOH London
DF1557164 · Nov 4
€6,905 EUR
£6,070 GBP
View
20 more retailers have this diamond
Prices start from €3,215 EURSave up to €3,689 EUR

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
1.20ct Marquise
€3,215 EUR