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Cushion|Lab Grown|GIA

5.12ct D IF Cushion Lab Grown Diamond

ID • D/IF • GIA 6511886026

Certificate GIA 6511886026

Diamond specifications and retailer prices

From €14,977 EUR
$16,732 USD
As of October 31, 2026
Save €11,451 EUR (43%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €26,427 EUR at MOH London · As of October 29, 2026
View at MOH London

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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6511886026. Listed at 4 retailers as of October 29, 2026, with prices from €14,977 to €26,427, a €11,451 spread on the same certified stone. MOH London lists it at €26,427. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.12
Carat
D
Color
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6511886026
Dimensions9.99 × 9.96 × 6.67 mm
L/W Ratio1.00
Top View
9.99 mm9.96 mm5.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511886026
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €26,427 EUR|Low: €14,977 EUR|High: €59,792 EUR|Avg: €29,557 EUR|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4€14,977 EUR
Retailer 5€21,356 EUR
Retailer 3€23,219 EUR
MOH London€26,427 EUR
Retailer 2€58,557 EUR

14 data points across 5 retailers

4 retailers€14,977 EUR to €26,427 EUR

B+
Cheapest Retailer
-
€14,977 EUR
$16,732 USD
Final sale: no returns
B+
Retailer 2
-
€23,219 EUR
$25,940 USD
View
Most Expensive
B+
MOH London
6511886026 · Oct 29
€26,427 EUR
£23,248 GBP
View
2 more retailers have this diamond
Prices start from €14,977 EURSave up to €11,451 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.

B+
5.12ct Cushion
€14,977 EUR