CaratHunter
Plans
Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG598391354

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG598391354

Diamond specifications and retailer prices

From $2,290 CAD
$1,639 USD
As of October 30, 2026
Save $4,922 CAD (68%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,212 CAD 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 LG598391354 or 598391354. Listed at 3 retailers as of October 30, 2026, with prices from $2,290 to $7,212, a $4,922 spread on the same certified stone. Frank Darling lists it at $7,212. 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 angle35.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598391354
Dimensions9.86 × 9.65 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 mm9.65 mm4.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598391354
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 66.1%

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 30
Current: $7,212 CAD|Low: $2,290 CAD|High: $10,047 CAD|Avg: $5,807 CAD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 4$2,290 CAD
Retailer 2$3,361 CAD
Retailer 5$7,211 CAD
Frank Darling$7,212 CAD
Retailer 3$10,047 CAD

5 data points across 5 retailers

3 retailers$2,290 CAD to $7,212 CAD

A
Cheapest Retailer
-
$2,290 CAD
$1,639 USD
B+
Retailer 2
-
$3,361 CAD
$2,405 USD
View
Most Expensive
Frank Darling
15139SR · Nov 3
$7,212 CAD
$5,161 USD
View
2 more retailers have this diamond
Prices start from $2,290 CADSave up to $4,922 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
$2,290 CAD