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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 5231875067

Certificate GIA 5231875067

Diamond specifications and retailer prices

From €2,400 EUR
As of November 6, 2026
Save €2,374 EUR (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,774 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 5231875067. Listed at 16 retailers as of November 6, 2026, with prices from €2,400 to €4,774, a €2,374 spread on the same certified stone. MOH London lists it at €4,774. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231875067
Dimensions7.30 × 5.63 × 3.53 mm
L/W Ratio1.30
Top View
7.30 mm5.63 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231875067
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

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: €4,774 EUR|Low: €2,400 EUR|High: €4,900 EUR|Avg: €3,096 EUR|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 4€2,400 EUR
Retailer 7€2,503 EUR
Retailer 5€2,622 EUR
Retailer 3€2,626 EUR
Retailer 8€2,784 EUR
Retailer 11€2,822 EUR
Retailer 12€2,974 EUR
Retailer 14€2,974 EUR
Retailer 2€2,977 EUR
Retailer 13€3,072 EUR
Retailer 9€3,341 EUR
Retailer 6€3,359 EUR
Retailer 10€3,503 EUR
MOH London€4,774 EUR

30 data points across 14 retailers

16 retailers€2,400 EUR to €4,774 EUR

B+
Cheapest Retailer
-
€2,400 EUR
Final sale: no returns
B+
Retailer 2
-
€2,503 EUR
View
Retailer 3
-
€2,622 EUR
View
Price last confirmed 9 days ago
B+
Retailer 4
-
€2,626 EUR
View
B
Retailer 5
-
€2,729 EUR
View
B+
Retailer 6
-
€2,784 EUR
View
B
Retailer 7
-
€2,822 EUR
View
B+
Retailer 8
-
€2,974 EUR
View
B+
Retailer 9
-
€2,974 EUR
View
B+
Retailer 10
-
€2,977 EUR
View
B
Retailer 11
-
€3,072 EUR
View
Retailer 12
-
€3,119 EUR
View
Price last confirmed 31 days ago
B
Retailer 13
-
€3,341 EUR
View
Retailer 14
-
€3,359 EUR
View
Price last confirmed 15 days ago
B
Retailer 15
-
€3,503 EUR
View
Most Expensive
B
MOH London
534729B15 · Nov 7
€4,774 EUR
£4,197 GBP
View
15 more retailers have this diamond
Prices start from €2,400 EURSave up to €2,374 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
€2,400 EUR