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Cushion|Natural|GIA

1.21ct D SI1 Cushion Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From €3,693 EUR
As of November 5, 2026
Save €568 EUR (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €4,261 EUR at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded D 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. Listed at 4 retailers as of November 5, 2026, with prices from €3,693 to €4,261, a €568 spread on the same certified stone. The Diamond Guys lists it at €4,261. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions6.42 × 5.69 × 3.79 mm
L/W Ratio1.13
Top View
6.42 mm5.69 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCuletDepth 66.6%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €4,045 EUR|Low: €3,693 EUR|High: €4,261 EUR|Avg: €3,971 EUR|-0.8%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 6, 2026
Retailer 2€3,693 EUR
Retailer 3€3,834 EUR
Retailer 1€4,045 EUR
The Diamond Guys€4,261 EUR

41 data points across 4 retailers

4 retailers€3,693 EUR to €4,261 EUR

B+
Cheapest Retailer
-
€3,693 EUR
B
Retailer 2
-
€3,834 EUR
View
B
Retailer 3
-
€4,045 EUR
View
Most Expensive
B
The Diamond Guys
1957405758 · Nov 6
€4,261 EUR
$4,757 USD
View
3 more retailers have this diamond
Prices start from €3,693 EURSave up to €568 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
€3,693 EUR