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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 5556749718

Certificate GIA 5556749718

Diamond specifications and retailer prices

From €1,188 EUR
$1,327 USD
As of October 30, 2026
Save €1,471 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,659 EUR at MOH London · As of October 29, 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556749718. Listed at 11 retailers as of October 29, 2026, with prices from €1,188 to €2,659, a €1,471 spread on the same certified stone. MOH London lists it at €2,659. 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

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

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5556749718
Dimensions6.57 × 5.26 × 3.57 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.57 mm5.26 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556749718
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.8%

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: Oct 30
Current: €2,659 EUR|Low: €1,144 EUR|High: €2,831 EUR|Avg: €1,725 EUR|-5.1%
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
October 29, 2026
Retailer 8€1,188 EUR
Retailer 12€1,236 EUR
Retailer 2€1,325 EUR
Retailer 3€1,455 EUR
Retailer 4€1,458 EUR
Retailer 9€1,571 EUR
Retailer 14€1,597 EUR
Retailer 5€1,620 EUR
Retailer 7€1,719 EUR
Retailer 10€1,743 EUR
Retailer 6€1,790 EUR
Retailer 15€1,953 EUR
Retailer 13€2,083 EUR
Retailer 11€2,172 EUR
MOH London€2,659 EUR

37 data points across 15 retailers

11 retailers€1,188 EUR to €2,659 EUR

A
Cheapest Retailer
-
€1,188 EUR
$1,327 USD
Final sale: no returns
A
Retailer 2
-
€1,325 EUR
$1,480 USD
View
Retailer 3
-
€1,455 EUR
$1,625 USD
View
Price last confirmed 25 days ago
Retailer 4
-
€1,458 EUR
$1,629 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
€1,571 EUR
$1,755 USD
View
Retailer 6
-
€1,597 EUR
$1,784 USD
View
Price last confirmed 23 days ago
Retailer 7
-
€1,719 EUR
$1,921 USD
View
Price last confirmed 22 days ago
Retailer 8
-
€1,790 EUR
$2,000 USD
View
Price last confirmed 22 days ago
Retailer 9
-
€1,953 EUR
ZAR 35,242 ZAR
View
Price last confirmed 27 days ago
Retailer 10
-
€2,083 EUR
A$3,581 AUD
View
Price last confirmed 25 days ago
Most Expensive
B+
MOH London
FAAA90EC6 · Oct 29
€2,659 EUR
£2,339 GBP
View
10 more retailers have this diamond
Prices start from €1,188 EURSave up to €1,471 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
€1,188 EUR