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Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG593386564

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG593386564

Diamond specifications and retailer prices

From €1,461 EUR
$1,639 USD
As of November 1, 2026
Save €3,140 EUR (68%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €4,601 EUR at Frank Darling · As of November 3, 2026
View at Frank Darling

About this 4.78ct lab-grown cushion diamond

This 4.78ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG593386564 or 593386564. Listed at 3 retailers as of November 1, 2026, with prices from €1,461 to €4,601, a €3,140 spread on the same certified stone. Frank Darling lists it at €4,601. 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

4.78
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593386564
Dimensions9.86 × 9.67 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.86 mm9.67 mm4.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593386564
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €4,601 EUR|Low: €1,461 EUR|High: €6,410 EUR|Avg: €3,705 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 4€1,461 EUR
Retailer 2€2,144 EUR
Retailer 5€4,601 EUR
Frank Darling€4,601 EUR
Retailer 3€6,410 EUR

5 data points across 5 retailers

3 retailers€1,461 EUR to €4,601 EUR

A
Cheapest Retailer
-
€1,461 EUR
$1,639 USD
B+
Retailer 2
-
€2,144 EUR
$2,405 USD
View
Most Expensive
B
Frank Darling
15140SR · Nov 3
€4,601 EUR
$5,161 USD
View
2 more retailers have this diamond
Prices start from €1,461 EURSave up to €3,140 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.

A
4.78ct Cushion
€1,461 EUR