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Marquise|Natural|GIA

1.20ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2566156667

Certificate GIA 2566156667

Diamond specifications and retailer prices

From €2,187 EUR
As of November 5, 2026
Save €1,648 EUR (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,835 EUR at Wholesale Diamonds Direct · As of November 3, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566156667. Listed at 10 retailers as of November 3, 2026, with prices from €2,187 to €3,835, a €1,648 spread on the same certified stone. Wholesale Diamonds Direct lists it at €3,835. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle37.99°
Pavilion angle37.89°
OriginNatural
Grading LabGIA
CertificateGIA 2566156667
Dimensions10.60 × 5.54 × 3.31 mm
L/W Ratio1.91
Culet sizeNone
Top View
10.60 mm5.54 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2566156667
Side View
Table 61.0%Crown 37.99°Girdle: VTN-THKPavilion 37.89°Culet: NoneDepth 59.8%

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 5
Current: €3,618 EUR|Low: €2,175 EUR|High: €4,067 EUR|Avg: €2,835 EUR|+19.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 2€2,187 EUR
Retailer 5€2,322 EUR
Retailer 9€2,507 EUR
Retailer 4€2,551 EUR
Retailer 8€2,572 EUR
Retailer 6€2,794 EUR
Retailer 7€2,866 EUR
Retailer 3€2,963 EUR
Retailer 1€3,618 EUR
Wholesale Diamonds Direct€3,835 EUR

34 data points across 10 retailers

10 retailers€2,187 EUR to €3,835 EUR

A
Cheapest Retailer
-
€2,187 EUR
A
Retailer 2
-
€2,322 EUR
View
B+
Retailer 3
-
€2,507 EUR
View
A
Retailer 4
-
€2,551 EUR
View
A
Retailer 5
-
€2,572 EUR
View
B+
Retailer 6
-
€2,794 EUR
View
B+
Retailer 7
-
€2,866 EUR
View
B+
Retailer 8
-
€2,963 EUR
View
B
Retailer 9
-
€3,618 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
348918947 · Nov 3
€3,835 EUR
$4,282 USD
View
9 more retailers have this diamond
Prices start from €2,187 EURSave up to €1,648 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
€2,187 EUR