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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7551045067

Certificate GIA 7551045067

Diamond specifications and retailer prices

From €2,894 EUR
As of November 6, 2026
Save €3,224 EUR (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,117 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 J 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 7551045067. Listed at 16 retailers as of November 4, 2026, with prices from €2,894 to €6,117, a €3,224 spread on the same certified stone. MOH London lists it at €6,117. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551045067
Dimensions10.22 × 5.49 × 3.61 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
10.22 mm5.49 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551045067
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €6,117 EUR|Low: €2,637 EUR|High: €6,207 EUR|Avg: €3,742 EUR|-1.4%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 7, 2026
Retailer 12€2,637 EUR
Retailer 8€2,643 EUR
Retailer 14€2,730 EUR
Retailer 22€2,894 EUR
Retailer 9€2,915 EUR
Retailer 4€3,177 EUR
Retailer 11€3,260 EUR
Retailer 3€3,275 EUR
Retailer 18€3,349 EUR
Retailer 21€3,450 EUR
Retailer 2€3,771 EUR
Retailer 20€3,833 EUR
Retailer 13€3,938 EUR
Retailer 5€3,977 EUR
Retailer 6€3,977 EUR
Retailer 7€4,111 EUR
Retailer 17€4,126 EUR
Retailer 15€4,336 EUR
Retailer 16€4,345 EUR
Retailer 10€4,478 EUR
Retailer 19€5,622 EUR
MOH London€6,117 EUR

29 data points across 22 retailers

16 retailers€2,894 EUR to €6,117 EUR

Retailer 1
-
€2,637 EUR
Price last confirmed 66 days ago
B
Retailer 2
-
€2,894 EUR
View
B
Retailer 3
-
€3,177 EUR
View
B
Retailer 4
-
€3,275 EUR
View
B
Retailer 5
-
€3,349 EUR
View
B
Retailer 6
-
€3,450 EUR
View
Retailer 7
-
€3,771 EUR
View
B
Retailer 8
-
€3,833 EUR
View
B
Retailer 9
-
€3,938 EUR
View
B
Retailer 10
-
€3,977 EUR
View
B
Retailer 11
-
€3,977 EUR
View
B
Retailer 12
-
€4,111 EUR
View
B
Retailer 13
-
€4,126 EUR
View
B
Retailer 14
-
€4,345 EUR
View
B
Retailer 15
-
€5,622 EUR
View
Most Expensive
B
MOH London
1B08443EC · Nov 4
€6,117 EUR
£5,378 GBP
View
15 more retailers have this diamond
Prices start from €2,894 EURSave up to €3,224 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.

B
1.20ct Marquise
€2,894 EUR