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Cushion|Natural|GIA

0.51ct E SI1 Cushion Natural Diamond

VG • E/SI1 • GIA 5523919294

Certificate GIA 5523919294

Diamond specifications and retailer prices

From €339 EUR
As of November 6, 2026
Save €675 EUR (67%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,014 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5523919294. Listed at 21 retailers as of November 4, 2026, with prices from €339 to €1,014, a €675 spread on the same certified stone. MOH London lists it at €1,014. 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

0.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle34°
OriginNatural
Grading LabGIA
CertificateGIA 5523919294
Dimensions4.65 × 4.34 × 2.97 mm
L/W Ratio1.07
Top View
4.65 mm4.34 mm0.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5523919294
Side View
Table 60.0%Crown 35.3°Girdle: MED-VTKPavilion 34°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,014 EUR|Low: €339 EUR|High: €1,075 EUR|Avg: €543 EUR|-5.7%
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 10€339 EUR
Retailer 5€367 EUR
Retailer 11€394 EUR
Retailer 15€394 EUR
Retailer 7€412 EUR
Retailer 9€459 EUR
Retailer 4€482 EUR
Retailer 8€493 EUR
Retailer 16€493 EUR
Retailer 6€495 EUR
Retailer 17€511 EUR
Retailer 2€536 EUR
Retailer 13€543 EUR
Retailer 18€550 EUR
Retailer 19€555 EUR
Retailer 3€587 EUR
Retailer 12€593 EUR
Retailer 14€681 EUR
MOH London€1,014 EUR

28 data points across 19 retailers

21 retailers€339 EUR to €1,014 EUR

A
Cheapest Retailer
-
€339 EUR
A
Retailer 2
-
€367 EUR
View
Final sale: no returns
Retailer 3
-
€394 EUR
View
Price last confirmed 17 days ago
A
Retailer 4
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€394 EUR
View
A
Retailer 5
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€412 EUR
View
Retailer 6
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€449 EUR
View
Price last confirmed 9 days ago
A
Retailer 7
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€459 EUR
View
A
Retailer 8
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€482 EUR
View
A
Retailer 9
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€493 EUR
View
A
Retailer 10
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€493 EUR
View
A
Retailer 11
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€495 EUR
View
A
Retailer 12
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€511 EUR
View
A
Retailer 13
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€536 EUR
View
B+
Retailer 14
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€543 EUR
View
B+
Retailer 15
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€550 EUR
View
B+
Retailer 16
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€555 EUR
View
B+
Retailer 17
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€587 EUR
View
B+
Retailer 18
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€593 EUR
View
B+
Retailer 19
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€681 EUR
View
Retailer 20
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€691 EUR
View
Price last confirmed 35 days ago
Most Expensive
B
MOH London
CCAFD69D2 · Nov 4
€1,014 EUR
£891 GBP
View
20 more retailers have this diamond
Prices start from €339 EURSave up to €675 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
0.51ct Cushion
€339 EUR