Cushion|Lab Grown|IGI

5.58ct D FL Cushion Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From €26,147 EUR
$29,212 USD
As of October 31, 2026
Save €195 EUR (1%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €26,342 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 5.58ct lab-grown cushion diamond

This 5.58ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 31, 2026, with a relatively tight 1% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

5.58
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions12.16 × 9.48 × 6.15 mm
L/W Ratio1.28
Top View
12.16 mm9.48 mm5.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €26,342 EUR|Low: €10,320 EUR|High: €29,039 EUR|Avg: €17,120 EUR|+84.5%
Blue Nile
Retailer 2
Retailer 3
October 27, 2026
Retailer 3€10,320 EUR
Retailer 2€26,147 EUR
Blue Nile€26,342 EUR

7 data points across 3 retailers

3 retailers€26,147 EUR to €26,342 EUR

Retailer 1
-
€10,320 EUR
$11,530 USD
Price last confirmed 8 days ago
B
Retailer 2
-
€26,147 EUR
$29,212 USD
View
Most Expensive
B
Blue Nile
29588891 · Oct 31
€26,342 EUR
$29,429 USD
View
2 more retailers have this diamond
Prices start from €26,147 EURSave up to €195 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
5.58ct Cushion
€26,147 EUR