Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1553950564

Certificate GIA 1553950564

Diamond specifications and retailer prices

From €1,238 EUR
As of November 6, 2026
Save €1,649 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,887 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553950564. Listed at 14 retailers as of November 4, 2026, with prices from €1,238 to €2,887, a €1,649 spread on the same certified stone. MOH London lists it at €2,887. 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

1.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553950564
Dimensions7.09 × 5.46 × 3.75 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
7.09 mm5.46 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553950564
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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: €2,887 EUR|Low: €1,238 EUR|High: €2,926 EUR|Avg: €1,854 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8€1,238 EUR
Retailer 3€1,298 EUR
Retailer 6€1,529 EUR
Retailer 9€1,652 EUR
Retailer 5€1,721 EUR
Retailer 2€1,793 EUR
Retailer 7€2,016 EUR
Retailer 4€2,244 EUR
MOH London€2,887 EUR

34 data points across 9 retailers

14 retailers€1,238 EUR to €2,887 EUR

A
Cheapest Retailer
-
€1,238 EUR
A
Retailer 2
-
€1,298 EUR
View
B+
Retailer 3
-
€1,529 EUR
View
B+
Retailer 4
-
€1,558 EUR
View
B+
Retailer 5
-
€1,558 EUR
View
Retailer 6
-
€1,652 EUR
View
Price last confirmed 22 days ago
B+
Retailer 7
-
€1,704 EUR
View
B+
Retailer 8
-
€1,720 EUR
View
B+
Retailer 9
-
€1,721 EUR
View
B+
Retailer 10
-
€1,774 EUR
View
B+
Retailer 11
-
€1,793 EUR
View
B+
Retailer 12
-
€2,016 EUR
View
B+
Retailer 13
-
€2,244 EUR
View
Most Expensive
B
MOH London
A3A101AE3 · Nov 4
€2,887 EUR
£2,538 GBP
View
13 more retailers have this diamond
Prices start from €1,238 EURSave up to €1,649 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
1.20ct Cushion
€1,238 EUR