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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

GD • E/SI1 • GIA 2556351055

Certificate GIA 2556351055

Diamond specifications and retailer prices

From €1,203 EUR
₹128,005 INR
As of October 26, 2026
Save €1,599 EUR (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,802 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2556351055. Listed at 16 retailers as of October 26, 2026, with prices from €1,203 to €2,802, a €1,599 spread on the same certified stone. MOH London lists it at €2,802. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556351055
Dimensions6.41 × 5.14 × 3.65 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.41 mm5.14 mm1.00 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556351055
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.9%

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: Oct 26
Current: €2,802 EUR|Low: €1,199 EUR|High: €3,037 EUR|Avg: €1,787 EUR|-7.7%
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
Retailer 15
Retailer 16
October 27, 2026
Retailer 12€1,203 EUR
Retailer 16€1,258 EUR
Retailer 7€1,421 EUR
Retailer 6€1,439 EUR
Retailer 14€1,455 EUR
Retailer 2€1,563 EUR
Retailer 5€1,597 EUR
Retailer 13€1,621 EUR
Retailer 3€1,651 EUR
Retailer 4€1,720 EUR
Retailer 8€1,775 EUR
Retailer 9€1,779 EUR
Retailer 15€1,790 EUR
Retailer 11€1,945 EUR
Retailer 10€2,170 EUR
MOH London€2,802 EUR

18 data points across 16 retailers

16 retailers€1,203 EUR to €2,802 EUR

A
Cheapest Retailer
-
€1,203 EUR
₹128,005 INR
Retailer 2
-
€1,421 EUR
$1,587 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
€1,439 EUR
$1,608 USD
View
A
Retailer 4
-
€1,455 EUR
$1,626 USD
View
A
Retailer 5
-
€1,563 EUR
£1,375 GBP
View
B+
Retailer 6
-
€1,597 EUR
$1,784 USD
View
A
Retailer 7
-
€1,621 EUR
$1,811 USD
View
B+
Retailer 8
-
€1,651 EUR
$1,845 USD
View
A
Retailer 9
-
€1,720 EUR
$1,921 USD
View
A
Retailer 10
-
€1,775 EUR
$1,983 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
€1,779 EUR
£1,565 GBP
View
A
Retailer 12
-
€1,790 EUR
$2,000 USD
View
B+
Retailer 13
-
€1,945 EUR
ZAR 35,100 ZAR
View
B+
Retailer 14
-
€2,170 EUR
View
Retailer 15
-
€2,235 EUR
A$3,842 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
4344F8F96 · Oct 26
€2,802 EUR
£2,465 GBP
View
15 more retailers have this diamond
Prices start from €1,203 EURSave up to €1,599 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
1.00ct Cushion
€1,203 EUR