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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 $1,536 CAD
€1,047 EUR
As of October 31, 2026
Save $3,563 CAD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,099 CAD 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 6 retailers as of October 28, 2026, with prices from $1,536 to $5,099, a $3,563 spread on the same certified stone. Rare Carat lists it at $5,099. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,536 CAD|Low: $1,536 CAD|High: $4,641 CAD|Avg: $3,139 CAD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 1$1,536 CAD
Retailer 3$1,594 CAD
Retailer 2$3,062 CAD
Retailer 5$3,604 CAD
Retailer 4$4,641 CAD

4 data points across 5 retailers

6 retailers$1,536 CAD to $5,099 CAD

A
Cheapest Retailer
-
$1,536 CAD
€1,047 EUR
A
Retailer 2
-
$1,594 CAD
$1,141 USD
View
B+
Retailer 3
-
$3,062 CAD
$2,192 USD
View
B+
Retailer 4
-
$3,604 CAD
$2,580 USD
View
B
Retailer 5
-
$4,641 CAD
$3,322 USD
View
Most Expensive
B
Rare Carat
LGLCU40-184851 · Oct 28
$5,099 CAD
$3,650 USD
View
5 more retailers have this diamond
Prices start from $1,536 CADSave up to $3,563 CAD

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
$1,536 CAD