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Cushion|Natural|GIA

1.21ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1455976885

Certificate GIA 1455976885

Diamond specifications and retailer prices

From €2,086 EUR
$2,340 USD
As of October 28, 2026
Save €2,274 EUR (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,361 EUR at MOH London · As of November 1, 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 1455976885. Listed at 10 retailers as of October 28, 2026, with prices from €2,086 to €4,361, a €2,274 spread on the same certified stone. MOH London lists it at €4,361. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1455976885
Dimensions6.43 × 5.85 × 4.02 mm
L/W Ratio1.10
Key to symbols
Crystal, Cloud, Needle
Top View
6.43 mm5.85 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1455976885
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.6%

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: Oct 28
Current: €4,361 EUR|Low: €1,898 EUR|High: €4,414 EUR|Avg: €2,813 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4€2,086 EUR
Retailer 5€2,181 EUR
Retailer 6€2,586 EUR
Retailer 2€2,792 EUR
Retailer 3€2,885 EUR
MOH London€4,361 EUR

42 data points across 6 retailers

10 retailers€2,086 EUR to €4,361 EUR

A
Cheapest Retailer
-
€2,086 EUR
$2,340 USD
B+
Retailer 2
-
€2,135 EUR
$2,395 USD
View
B+
Retailer 3
-
€2,181 EUR
$2,446 USD
View
Final sale: no returns
B+
Retailer 4
-
€2,586 EUR
$2,901 USD
View
B
Retailer 5
-
€2,728 EUR
$3,060 USD
View
B
Retailer 6
-
€2,728 EUR
$3,060 USD
View
B
Retailer 7
-
€2,792 EUR
£2,465 GBP
View
B
Retailer 8
-
€2,817 EUR
$3,160 USD
View
B+
Retailer 9
-
€2,885 EUR
View
Most Expensive
B
MOH London
D2D4E4548 · Nov 1
€4,361 EUR
£3,851 GBP
View
9 more retailers have this diamond
Prices start from €2,086 EURSave up to €2,274 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
€2,086 EUR