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Cushion|Lab Grown|IGI

5.58ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804660459

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804660459

Diamond specifications and retailer prices

From £6,794 GBP
$9,103 USD
As of October 30, 2026
Save £8,583 GBP (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £15,377 GBP at Yorxs · As of October 29, 2026
View at Yorxs

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 LG804660459 or 804660459. Listed at 9 retailers as of October 29, 2026, with prices from £6,794 to £15,377, a £8,583 spread on the same certified stone. Yorxs lists it at £15,377. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660459
Dimensions12.16 × 9.48 × 6.15 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.16 mm9.48 mm5.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660459
Side View
Table 58.0%Crown 31.4°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 64.9%

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: Oct 30
Current: £15,203 GBP|Low: £6,794 GBP|High: £44,451 GBP|Avg: £16,022 GBP|-33.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 30, 2026
Retailer 4£6,794 GBP
Retailer 6£7,739 GBP
Retailer 3£9,040 GBP
Retailer 8£10,264 GBP
Retailer 7£12,270 GBP
Retailer 2£13,935 GBP
Retailer 1£15,203 GBP
Yorxs£15,377 GBP
Retailer 9£21,476 GBP
Retailer 5£42,048 GBP

23 data points across 10 retailers

9 retailers£6,794 GBP to £15,377 GBP

A
Cheapest Retailer
-
£6,794 GBP
$9,103 USD
A
Retailer 2
-
£7,739 GBP
$10,370 USD
View
A
Retailer 3
-
£9,040 GBP
$12,113 USD
View
Retailer 4
-
£10,264 GBP
$13,752 USD
View
Price last confirmed 83 days ago
B+
Retailer 5
-
£12,270 GBP
$16,441 USD
View
B+
Retailer 6
-
£13,935 GBP
View
B+
Retailer 7
-
£15,203 GBP
$20,370 USD
View
Most Expensive
B+
Yorxs
571891331 · Oct 29
£15,377 GBP
€19,622 EUR
View
7 more retailers have this diamond
Prices start from £6,794 GBPSave up to £8,583 GBP

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
5.58ct Cushion
£6,794 GBP