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Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG816609629

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816609629

Diamond specifications and retailer prices

From €719 EUR
HK$6,300 HKD
As of November 3, 2026
Save €2,196 EUR (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,915 EUR at With Clarity · As of November 3, 2026
View at With Clarity

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 LG816609629 or 816609629. Listed at 8 retailers as of November 3, 2026, with prices from €719 to €2,915, a €2,196 spread on the same certified stone. With Clarity lists it at €2,915. 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 angle32.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816609629
Dimensions12.69 × 8.65 × 5.77 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.69 mm8.65 mm4.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816609629
Side View
Table 63.0%Crown 32.7°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: €1,039 EUR|Low: €719 EUR|High: €2,917 EUR|Avg: €1,602 EUR|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 4€719 EUR
Retailer 5€896 EUR
Retailer 3€995 EUR
Retailer 1€1,039 EUR
Retailer 6€1,712 EUR
Retailer 7€2,147 EUR
Retailer 2€2,883 EUR

43 data points across 7 retailers

8 retailers€719 EUR to €2,915 EUR

A
Cheapest Retailer
-
€719 EUR
HK$6,300 HKD
B+
Retailer 2
-
€896 EUR
$1,005 USD
View
A
Retailer 3
-
€995 EUR
View
A
Retailer 4
-
€1,039 EUR
£917 GBP
View
A
Retailer 5
-
€1,712 EUR
$1,920 USD
View
B+
Retailer 6
-
€2,147 EUR
$2,408 USD
View
B+
Retailer 7
-
€2,883 EUR
£2,546 GBP
View
Most Expensive
B
With Clarity
816609629 · Nov 3
€2,915 EUR
$3,270 USD
View
7 more retailers have this diamond
Prices start from €719 EURSave up to €2,196 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
€719 EUR