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Cushion|Natural|GIA

1.30ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 2557251710

Certificate GIA 2557251710

Diamond specifications and retailer prices

From €2,258 EUR
As of November 6, 2026
Save €2,029 EUR (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,287 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 2557251710. Listed at 8 retailers as of November 2, 2026, with prices from €2,258 to €4,287, a €2,029 spread on the same certified stone. MOH London lists it at €4,287. 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

1.30
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557251710
Dimensions7.03 × 5.46 × 3.81 mm
L/W Ratio1.29
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Natural
Top View
7.03 mm5.46 mm1.30 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557251710
Side View
Table 55.0%CrownGirdlePavilionCulet: NoneDepth 69.8%

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: €4,287 EUR|Low: €2,071 EUR|High: €4,340 EUR|Avg: €2,867 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7€2,258 EUR
Retailer 6€2,356 EUR
Retailer 5€2,447 EUR
Retailer 2€2,590 EUR
Retailer 8€2,742 EUR
Retailer 3€2,849 EUR
Retailer 4€2,987 EUR
MOH London€4,287 EUR

46 data points across 8 retailers

8 retailers€2,258 EUR to €4,287 EUR

A
Cheapest Retailer
-
€2,258 EUR
Final sale: no returns
A
Retailer 2
-
€2,356 EUR
View
Retailer 3
-
€2,447 EUR
View
Price last confirmed 9 days ago
A
Retailer 4
-
€2,590 EUR
View
Retailer 5
-
€2,742 EUR
View
Price last confirmed 31 days ago
B+
Retailer 6
-
€2,849 EUR
View
B+
Retailer 7
-
€2,987 EUR
View
Most Expensive
B
MOH London
AA3B9E014 · Nov 2
€4,287 EUR
£3,769 GBP
View
7 more retailers have this diamond
Prices start from €2,258 EURSave up to €2,029 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
1.30ct Cushion
€2,258 EUR