CaratHunter
Plans
Cushion|Natural|GIA

1.21ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6411171191

Certificate GIA 6411171191

Diamond specifications and retailer prices

From €1,626 EUR
As of November 6, 2026
Save €2,176 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,801 EUR at MOH London · As of November 7, 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 6411171191. Listed at 14 retailers as of November 6, 2026, with prices from €1,626 to €3,801, a €2,176 spread on the same certified stone. MOH London lists it at €3,801. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6411171191
Dimensions6.18 × 5.94 × 4.10 mm
L/W Ratio1.04
Top View
6.18 mm5.94 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6411171191
Side View
Table 65.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.9%

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: €3,801 EUR|Low: €1,626 EUR|High: €3,863 EUR|Avg: €2,509 EUR|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 4€1,626 EUR
Retailer 9€1,627 EUR
Retailer 2€2,130 EUR
Retailer 3€2,308 EUR
Retailer 8€2,476 EUR
Retailer 10€2,505 EUR
Retailer 6€2,662 EUR
Retailer 5€2,709 EUR
Retailer 7€3,178 EUR
MOH London€3,801 EUR

25 data points across 10 retailers

14 retailers€1,626 EUR to €3,801 EUR

A
Cheapest Retailer
-
€1,626 EUR
A
Retailer 2
-
€1,627 EUR
View
A
Retailer 3
-
€2,130 EUR
View
A
Retailer 4
-
€2,210 EUR
View
Retailer 5
-
€2,255 EUR
View
Price last confirmed 11 days ago
B+
Retailer 6
-
€2,306 EUR
View
A
Retailer 7
-
€2,308 EUR
View
B+
Retailer 8
-
€2,434 EUR
View
B+
Retailer 9
-
€2,476 EUR
View
B+
Retailer 10
-
€2,662 EUR
View
Retailer 11
-
€2,685 EUR
View
Price last confirmed 31 days ago
B+
Retailer 12
-
€2,709 EUR
View
B+
Retailer 13
-
€3,178 EUR
View
Most Expensive
B
MOH London
63BA0D0F2 · Nov 7
€3,801 EUR
£3,342 GBP
View
13 more retailers have this diamond
Prices start from €1,626 EURSave up to €2,176 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
€1,626 EUR