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Cushion|Lab Grown|GIA

5.28ct D IF Cushion Lab Grown Diamond

GD • D/IF

Diamond specifications and retailer prices

From €17,809 EUR
£15,666 GBP
As of October 30, 2026
2 retailers carry this diamond
Only listing: €17,809 EUR at Moon Ocean
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Moon Ocean

About this 5.28ct lab-grown cushion diamond

This 5.28ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of October 30, 2026. 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

5.28
Carat
D
Color
IF
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions11.37 × 9.41 × 6.43 mm
L/W Ratio1.21
Top View
11.37 mm9.41 mm5.28 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: €17,809 EUR|Low: €17,773 EUR|High: €58,902 EUR|Avg: €37,895 EUR|-3.0%
Moon Ocean
Retailer 2
October 30, 2026
Moon Ocean€17,809 EUR
Retailer 2€58,902 EUR

33 data points across 2 retailers

2 retailers

B
Moon Ocean
NVL-B3594C730-031 · Oct 30
€17,809 EUR
£15,666 GBP
View

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B
5.28ct Cushion
€17,809 EUR