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Cushion|Natural|GIA

1.21ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6542540034

Certificate GIA 6542540034

Diamond specifications and retailer prices

From €2,561 EUR
$2,872 USD
As of October 30, 2026
Save €2,747 EUR (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,307 EUR at MOH London · As of October 29, 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 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 6542540034. Listed at 19 retailers as of October 29, 2026, with prices from €2,561 to €5,307, a €2,747 spread on the same certified stone. MOH London lists it at €5,307. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542540034
Dimensions7.29 × 5.37 × 3.69 mm
L/W Ratio1.36
Cert comments
Additional pinpoints are not shown.
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.29 mm5.37 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542540034
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €5,307 EUR|Low: €2,419 EUR|High: €5,342 EUR|Avg: €3,373 EUR|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12€2,561 EUR
Retailer 10€2,638 EUR
Retailer 11€2,677 EUR
Retailer 3€2,685 EUR
Retailer 9€2,859 EUR
Retailer 2€3,079 EUR
Retailer 8€3,243 EUR
Retailer 5€3,299 EUR
Retailer 4€3,381 EUR
Retailer 7€3,695 EUR
Retailer 6€3,879 EUR
MOH London€5,307 EUR

38 data points across 12 retailers

19 retailers€2,561 EUR to €5,307 EUR

Retailer 1
-
€2,504 EUR
$2,809 USD
Price last confirmed 26 days ago
B+
Retailer 2
-
€2,561 EUR
$2,872 USD
View
B+
Retailer 3
-
€2,638 EUR
$2,959 USD
View
Final sale: no returns
B+
Retailer 4
-
€2,677 EUR
$3,002 USD
View
B+
Retailer 5
-
€2,685 EUR
$3,012 USD
View
B+
Retailer 6
-
€2,859 EUR
$3,207 USD
View
B
Retailer 7
-
€3,074 EUR
$3,448 USD
View
B+
Retailer 8
-
€3,079 EUR
£2,719 GBP
View
B
Retailer 9
-
€3,243 EUR
$3,637 USD
View
Retailer 10
-
€3,243 EUR
$3,637 USD
View
Price last confirmed 14 days ago
B
Retailer 11
-
€3,245 EUR
$3,640 USD
View
B
Retailer 12
-
€3,245 EUR
$3,640 USD
View
B
Retailer 13
-
€3,299 EUR
£2,913 GBP
View
B
Retailer 14
-
€3,352 EUR
$3,760 USD
View
Retailer 15
-
€3,381 EUR
A$5,834 AUD
View
Price last confirmed 25 days ago
Retailer 16
-
€3,576 EUR
$4,011 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
€3,695 EUR
View
B
Retailer 18
-
€3,879 EUR
ZAR 70,295 ZAR
View
Most Expensive
B
MOH London
AB3735B3F · Oct 29
€5,307 EUR
£4,687 GBP
View
18 more retailers have this diamond
Prices start from €2,561 EURSave up to €2,747 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+
1.21ct Cushion
€2,561 EUR