Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG700585208

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG700585208

Diamond specifications and retailer prices

From $1,750 CAD
$1,252 USD
As of November 2, 2026
13 retailers carry this diamond
Most expensive: $10,536 CAD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 4.09ct lab-grown cushion diamond

This 4.09ct 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 LG700585208 or 700585208. Listed at 13 retailers as of November 2, 2026. 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

4.09
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700585208
Dimensions8.40 × 8.40 × 5.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.40 mm8.40 mm4.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700585208
Side View
Table 62.0%Crown 36.6°Girdle: THK-VTKPavilion 37.6°Culet: NoneDepth 66.2%

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: Nov 2
Current: $10,536 CAD|Low: $1,351 CAD|High: $11,389 CAD|Avg: $4,088 CAD|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 16, 2026
Retailer 7$1,351 CAD
Retailer 14$1,402 CAD
Retailer 13$1,684 CAD
Retailer 4$1,822 CAD
Retailer 3$1,972 CAD
Retailer 18$1,976 CAD
Retailer 8$2,050 CAD
Retailer 2$2,422 CAD
Retailer 12$3,262 CAD
Retailer 17$3,319 CAD
Retailer 9$4,281 CAD
Retailer 6$4,376 CAD
Retailer 16$4,384 CAD
Retailer 15$4,566 CAD
Retailer 11$5,303 CAD
Retailer 10$5,511 CAD
Brilliant Earth$10,536 CAD
Retailer 5$11,263 CAD

23 data points across 18 retailers

13 retailers

Retailer 1
-
$1,402 CAD
$1,003 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$1,750 CAD
$1,252 USD
View
Retailer 3
-
$1,976 CAD
$1,414 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$2,050 CAD
$1,467 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$2,422 CAD
£1,365 GBP
View
Price last confirmed 18 days ago
Retailer 6
-
$3,262 CAD
ZAR 37,715 ZAR
View
Price last confirmed 19 days ago
Retailer 7
-
$4,281 CAD
£2,412 GBP
View
Price last confirmed 19 days ago
Retailer 8
-
$4,376 CAD
$3,132 USD
View
Price last confirmed 20 days ago
Retailer 9
-
$4,384 CAD
$3,137 USD
View
Price last confirmed 19 days ago
Retailer 10
-
$4,566 CAD
A$5,027 AUD
View
Price last confirmed 26 days ago
Retailer 11
-
$5,303 CAD
£2,988 GBP
View
Price last confirmed 19 days ago
Retailer 12
-
$5,511 CAD
$3,944 USD
View
Price last confirmed 18 days ago
Most Expensive
Brilliant Earth
18873985A · Oct 17
$10,536 CAD
$7,540 USD
View
Price last confirmed 16 days ago
12 more retailers have this diamond
Prices start from $1,750 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
4.09ct Cushion
$1,750 CAD