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Cushion|Natural|GIA

1.30ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1558878113

Certificate GIA 1558878113

Diamond specifications and retailer prices

From €2,441 EUR
As of November 4, 2026
Save €2,848 EUR (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €5,288 EUR at MOH London · As of November 7, 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 1558878113. Listed at 6 retailers as of November 4, 2026, with prices from €2,441 to €5,288, a €2,848 spread on the same certified stone. MOH London lists it at €5,288. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558878113
Dimensions7.58 × 5.58 × 3.89 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.58 mm5.58 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1558878113
Side View
Table 60.0%CrownGirdle: STK-ETKPavilionCulet: 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 4
Current: €5,288 EUR|Low: €1,954 EUR|High: €5,345 EUR|Avg: €3,296 EUR|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 5€2,441 EUR
Retailer 6€2,564 EUR
Retailer 3€3,170 EUR
Retailer 2€3,290 EUR
Retailer 4€3,702 EUR
MOH London€5,288 EUR

45 data points across 6 retailers

6 retailers€2,441 EUR to €5,288 EUR

A
Cheapest Retailer
-
€2,441 EUR
Retailer 2
-
€2,564 EUR
View
Price last confirmed 23 days ago
B+
Retailer 3
-
€3,170 EUR
View
B
Retailer 4
-
€3,290 EUR
View
B
Retailer 5
-
€3,702 EUR
View
Most Expensive
B
MOH London
E77C6CB3A · Nov 7
€5,288 EUR
£4,649 GBP
View
5 more retailers have this diamond
Prices start from €2,441 EURSave up to €2,848 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
€2,441 EUR