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Cushion|Natural|GIA

1.21ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6555373722

Certificate GIA 6555373722

Diamond specifications and retailer prices

From €1,754 EUR
As of November 6, 2026
Save €2,195 EUR (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,948 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555373722. Listed at 23 retailers as of November 4, 2026, with prices from €1,754 to €3,948, a €2,195 spread on the same certified stone. MOH London lists it at €3,948. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555373722
Dimensions6.26 × 6.00 × 4.00 mm
L/W Ratio1.04
Girdle conditionFaceted
Top View
6.26 mm6.00 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555373722
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

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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 6
Current: €3,948 EUR|Low: €1,730 EUR|High: €4,235 EUR|Avg: €2,411 EUR|-6.8%
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 7, 2026
Retailer 5€1,754 EUR
Retailer 7€1,888 EUR
Retailer 19€1,928 EUR
Retailer 8€1,930 EUR
Retailer 12€2,067 EUR
Retailer 13€2,067 EUR
Retailer 11€2,079 EUR
Retailer 3€2,104 EUR
Retailer 16€2,126 EUR
Retailer 4€2,185 EUR
Retailer 6€2,189 EUR
Retailer 10€2,210 EUR
Retailer 9€2,322 EUR
Retailer 15€2,391 EUR
Retailer 14€2,418 EUR
Retailer 2€2,458 EUR
Retailer 18€2,758 EUR
Retailer 17€2,805 EUR
Retailer 20€3,600 EUR
MOH London€3,948 EUR

23 data points across 20 retailers

23 retailers€1,754 EUR to €3,948 EUR

A
Cheapest Retailer
-
€1,754 EUR
A
Retailer 2
-
€1,888 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,928 EUR
View
A
Retailer 4
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€1,930 EUR
View
A
Retailer 5
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€2,067 EUR
View
A
Retailer 6
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€2,067 EUR
View
A
Retailer 7
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€2,079 EUR
View
A
Retailer 8
-
€2,104 EUR
View
A
Retailer 9
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€2,126 EUR
View
A
Retailer 10
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€2,185 EUR
View
A
Retailer 11
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€2,189 EUR
View
A
Retailer 12
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€2,210 EUR
View
A
Retailer 13
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€2,322 EUR
View
Retailer 14
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€2,388 EUR
View
Price last confirmed 30 days ago
B+
Retailer 15
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€2,391 EUR
View
Retailer 16
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€2,418 EUR
View
B+
Retailer 17
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€2,432 EUR
View
Retailer 18
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€2,458 EUR
View
Retailer 19
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€2,679 EUR
View
Price last confirmed 31 days ago
B+
Retailer 20
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€2,758 EUR
View
B+
Retailer 21
-
€2,805 EUR
View
B+
Retailer 22
-
€3,600 EUR
View
Most Expensive
B
MOH London
6AB239AD3 · Nov 4
€3,948 EUR
£3,471 GBP
View
22 more retailers have this diamond
Prices start from €1,754 EURSave up to €2,195 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
1.21ct Cushion
€1,754 EUR