Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1553750815

Certificate GIA 1553750815

Diamond specifications and retailer prices

From €1,685 EUR
As of November 6, 2026
Save €2,226 EUR (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,911 EUR at MOH London · As of November 7, 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 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 1553750815. Listed at 17 retailers as of November 6, 2026, with prices from €1,685 to €3,911, a €2,226 spread on the same certified stone. MOH London lists it at €3,911. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553750815
Dimensions7.02 × 5.24 × 3.60 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.02 mm5.24 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553750815
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €3,911 EUR|Low: €1,685 EUR|High: €3,974 EUR|Avg: €2,460 EUR|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8€1,685 EUR
Retailer 3€1,762 EUR
Retailer 7€1,967 EUR
Retailer 4€2,177 EUR
Retailer 9€2,245 EUR
Retailer 2€2,374 EUR
Retailer 6€2,739 EUR
Retailer 5€2,786 EUR
MOH London€3,911 EUR

27 data points across 9 retailers

17 retailers€1,685 EUR to €3,911 EUR

A
Cheapest Retailer
-
€1,685 EUR
A
Retailer 2
-
€1,762 EUR
View
A
Retailer 3
-
€1,967 EUR
View
B+
Retailer 4
-
€2,071 EUR
View
Final sale: no returns
B+
Retailer 5
-
€2,089 EUR
View
B+
Retailer 6
-
€2,091 EUR
View
B+
Retailer 7
-
€2,177 EUR
View
Retailer 8
-
€2,245 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€2,346 EUR
View
B+
Retailer 10
-
€2,370 EUR
View
B+
Retailer 11
-
€2,374 EUR
View
B+
Retailer 12
-
€2,391 EUR
View
B+
Retailer 13
-
€2,436 EUR
View
Retailer 14
-
€2,514 EUR
View
Price last confirmed 31 days ago
B+
Retailer 15
-
€2,739 EUR
View
B
Retailer 16
-
€2,786 EUR
View
Most Expensive
B
MOH London
98F9CC2F9 · Nov 7
€3,911 EUR
£3,438 GBP
View
16 more retailers have this diamond
Prices start from €1,685 EURSave up to €2,226 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
€1,685 EUR