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Marquise|Natural|GIA

1.20ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6552321194

Certificate GIA 6552321194

Diamond specifications and retailer prices

From €2,051 EUR
As of November 5, 2026
Save €2,038 EUR (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,089 EUR at Wholesale Diamonds Direct · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552321194. Listed at 11 retailers as of November 4, 2026, with prices from €2,051 to €4,089, a €2,038 spread on the same certified stone. Wholesale Diamonds Direct lists it at €4,089. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle39.29°
Pavilion angle38.47°
OriginNatural
Grading LabGIA
CertificateGIA 6552321194
Dimensions10.46 × 5.53 × 3.40 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.46 mm5.53 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552321194
Side View
Table 59.0%Crown 39.29°Girdle: THN-THKPavilion 38.47°Culet: NoneDepth 61.5%

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: €2,051 EUR|Low: €2,039 EUR|High: €4,687 EUR|Avg: €3,139 EUR|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 1€2,051 EUR
Retailer 2€2,511 EUR
Retailer 9€2,519 EUR
Retailer 7€2,734 EUR
Retailer 5€2,932 EUR
Retailer 8€2,968 EUR
Retailer 6€3,021 EUR
Retailer 4€3,028 EUR
Retailer 3€3,828 EUR
Wholesale Diamonds Direct€4,089 EUR

32 data points across 10 retailers

11 retailers€2,051 EUR to €4,089 EUR

A
Cheapest Retailer
-
€2,051 EUR
A
Retailer 2
-
€2,511 EUR
View
A
Retailer 3
-
€2,519 EUR
View
A
Retailer 4
-
€2,734 EUR
View
B+
Retailer 5
-
€2,932 EUR
View
B+
Retailer 6
-
€2,968 EUR
View
B+
Retailer 7
-
€3,021 EUR
View
B+
Retailer 8
-
€3,028 EUR
View
B+
Retailer 9
-
€3,420 EUR
View
B+
Retailer 10
-
€3,828 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
643534585 · Nov 4
€4,089 EUR
$4,565 USD
View
10 more retailers have this diamond
Prices start from €2,051 EURSave up to €2,038 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
€2,051 EUR