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Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2567792143

Certificate GIA 2567792143

Diamond specifications and retailer prices

From €3,198 EUR
As of November 6, 2026
Save €3,576 EUR (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €6,775 EUR at MOH London · As of November 7, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567792143. Listed at 12 retailers as of November 6, 2026, with prices from €3,198 to €6,775, a €3,576 spread on the same certified stone. MOH London lists it at €6,775. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567792143
Dimensions10.50 × 5.50 × 3.48 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
10.50 mm5.50 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567792143
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

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 6
Current: €6,775 EUR|Low: €3,198 EUR|High: €6,775 EUR|Avg: €4,331 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 8€3,198 EUR
Retailer 7€3,332 EUR
Retailer 5€3,948 EUR
Retailer 4€4,035 EUR
Retailer 9€4,149 EUR
Retailer 2€4,210 EUR
Retailer 6€4,353 EUR
Retailer 10€4,411 EUR
Retailer 11€4,935 EUR
Retailer 3€5,218 EUR
MOH London€6,775 EUR

3 data points across 11 retailers

12 retailers€3,198 EUR to €6,775 EUR

A
Cheapest Retailer
-
€3,198 EUR
B+
Retailer 2
-
€3,332 EUR
View
B+
Retailer 3
-
€3,677 EUR
View
B+
Retailer 4
-
€3,948 EUR
View
Final sale: no returns
B+
Retailer 5
-
€4,035 EUR
View
B
Retailer 6
-
€4,149 EUR
View
B
Retailer 7
-
€4,210 EUR
View
B+
Retailer 8
-
€4,353 EUR
View
B+
Retailer 9
-
€4,411 EUR
View
B
Retailer 10
-
€4,935 EUR
View
B
Retailer 11
-
€5,218 EUR
View
Most Expensive
B
MOH London
7CEE5CF2E · Nov 7
€6,775 EUR
£5,956 GBP
View
11 more retailers have this diamond
Prices start from €3,198 EURSave up to €3,576 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
€3,198 EUR