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Cushion|Natural|GIA

1.21ct D SI1 Cushion Natural Diamond

D/SI1 • GIA 1567014123

Certificate GIA 1567014123

Diamond specifications and retailer prices

From €2,797 EUR
As of November 6, 2026
Save €1,142 EUR (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,939 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

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) and certified by GIA 1567014123. Listed at 7 retailers as of October 31, 2026, with prices from €2,797 to €3,939, a €1,142 spread on the same certified stone. Blue Nile lists it at €3,939. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567014123
Dimensions7.47 × 5.67 × 3.68 mm
L/W Ratio1.32
Top View
7.47 mm5.67 mm1.21 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567014123
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.0%

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 6
Current: €3,939 EUR|Low: €2,786 EUR|High: €3,977 EUR|Avg: €3,277 EUR|-0.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6€2,797 EUR
Retailer 2€2,799 EUR
Retailer 3€2,809 EUR
Retailer 5€3,421 EUR
Retailer 4€3,538 EUR
Retailer 7€3,742 EUR
Blue Nile€3,939 EUR

44 data points across 7 retailers

7 retailers€2,797 EUR to €3,939 EUR

B+
Cheapest Retailer
-
€2,797 EUR
Final sale: no returns
B+
Retailer 2
-
€2,799 EUR
View
B+
Retailer 3
-
€2,809 EUR
View
B+
Retailer 4
-
€3,421 EUR
View
Retailer 5
-
€3,538 EUR
View
Price last confirmed 11 days ago
B
Retailer 6
-
€3,742 EUR
View
Most Expensive
B
Blue Nile
30380913 · Oct 31
€3,939 EUR
$4,398 USD
View
6 more retailers have this diamond
Prices start from €2,797 EURSave up to €1,142 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
€2,797 EUR