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Cushion|Natural|GIA

5.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2221388113

Certificate GIA 2221388113

Diamond specifications and retailer prices

From €54,545 EUR
$60,938 USD
As of October 31, 2026
Save €13,568 EUR (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €68,113 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 5.5ct natural cushion diamond

This 5.5ct natural cushion sits in the over five 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 2221388113. Listed at 3 retailers as of October 31, 2026, with prices from €54,545 to €68,113, a €13,568 spread on the same certified stone. 77 Diamonds lists it at €68,113. 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

5.50
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2221388113
Dimensions10.37 × 9.94 × 6.75 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
10.37 mm9.94 mm5.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2221388113
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

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 31
Current: €68,113 EUR|Low: €54,545 EUR|High: €111,331 EUR|Avg: €88,201 EUR|-30.4%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€54,545 EUR
Retailer 3€57,947 EUR
77 Diamonds€68,113 EUR

21 data points across 3 retailers

3 retailers€54,545 EUR to €68,113 EUR

A
Cheapest Retailer
-
€54,545 EUR
$60,938 USD
A
Retailer 2
-
€57,947 EUR
$64,739 USD
View
Most Expensive
A
77 Diamonds
CUSZ7DGDXRJB · Nov 1
€68,113 EUR
£59,919 GBP
View
2 more retailers have this diamond
Prices start from €54,545 EURSave up to €13,568 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
5.50ct Cushion
€54,545 EUR