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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1555689564

Certificate GIA 1555689564

Diamond specifications and retailer prices

From €2,097 EUR
As of November 6, 2026
Save €2,006 EUR (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,103 EUR at MOH London · As of November 2, 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 1555689564. Listed at 8 retailers as of November 2, 2026, with prices from €2,097 to €4,103, a €2,006 spread on the same certified stone. MOH London lists it at €4,103. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555689564
Dimensions7.26 × 5.38 × 3.70 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
7.26 mm5.38 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555689564
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.8%

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: Nov 6
Current: €4,103 EUR|Low: €1,586 EUR|High: €4,152 EUR|Avg: €2,236 EUR|+44.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3€1,586 EUR
Retailer 11€1,625 EUR
Retailer 10€1,775 EUR
Retailer 8€2,097 EUR
Retailer 6€2,214 EUR
Retailer 2€2,250 EUR
Retailer 7€2,315 EUR
Retailer 9€2,468 EUR
Retailer 4€2,625 EUR
Retailer 5€2,858 EUR
MOH London€4,103 EUR

34 data points across 11 retailers

8 retailers€2,097 EUR to €4,103 EUR

B+
Cheapest Retailer
-
€2,097 EUR
B+
Retailer 2
-
€2,214 EUR
View
B+
Retailer 3
-
€2,250 EUR
View
B
Retailer 4
-
€2,315 EUR
View
B
Retailer 5
-
€2,468 EUR
View
B
Retailer 6
-
€2,625 EUR
View
B
Retailer 7
-
€2,858 EUR
View
Most Expensive
B
MOH London
57F3EF09A · Nov 2
€4,103 EUR
£3,607 GBP
View
7 more retailers have this diamond
Prices start from €2,097 EURSave up to €2,006 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+
1.20ct Cushion
€2,097 EUR