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Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG849663289

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG849663289

Diamond specifications and retailer prices

From €539 EUR
£476 GBP
As of November 2, 2026
Save €2,716 EUR (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,254 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG849663289 or 849663289. Listed at 7 retailers as of October 28, 2026, with prices from €539 to €3,254, a €2,716 spread on the same certified stone. Rare Carat lists it at €3,254. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849663289
Dimensions12.60 × 8.51 × 5.64 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.60 mm8.51 mm4.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849663289
Side View
Table 64.0%Crown 34.9°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 66.3%

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: Nov 2
Current: €539 EUR|Low: €539 EUR|High: €2,962 EUR|Avg: €1,870 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 1€539 EUR
Retailer 3€980 EUR
Retailer 5€1,017 EUR
Retailer 4€1,954 EUR
Retailer 2€2,171 EUR
Retailer 6€2,962 EUR

5 data points across 6 retailers

7 retailers€539 EUR to €3,254 EUR

A
Cheapest Retailer
-
€539 EUR
£476 GBP
A
Retailer 2
-
€980 EUR
View
A
Retailer 3
-
€1,017 EUR
$1,141 USD
View
B+
Retailer 4
-
€1,954 EUR
$2,192 USD
View
B+
Retailer 5
-
€2,171 EUR
$2,435 USD
View
B
Retailer 6
-
€2,962 EUR
$3,322 USD
View
Most Expensive
B
Rare Carat
LGLCU40-184851 · Oct 28
€3,254 EUR
$3,650 USD
View
6 more retailers have this diamond
Prices start from €539 EURSave up to €2,716 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
€539 EUR