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Cushion|Lab Grown|GIA

5.12ct D IF Cushion Lab Grown Diamond

VG • D/IF

Diamond specifications and retailer prices

From $19,243 USD
£15,152 GBP
As of November 1, 2026
2 retailers carry this diamond
Only listing: $19,243 USD 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 5.12ct lab-grown cushion diamond

This 5.12ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of November 1, 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

5.12
Carat
D
Color
IF
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions11.09 × 9.18 × 6.50 mm
L/W Ratio1.21
Top View
11.09 mm9.18 mm5.12 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $19,243 USD|Low: $19,243 USD|High: $63,812 USD|Avg: $41,071 USD|-3.3%
Moon Ocean
Retailer 2
November 1, 2026
Moon Ocean$19,243 USD
Retailer 2$63,812 USD

34 data points across 2 retailers

2 retailers

B+
Moon Ocean
NVL-5EF802927-665 · Nov 1
$19,243 USD
£15,152 GBP
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B+
5.12ct Cushion
$19,243 USD