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Cushion|Lab Grown|IGI

4.05ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG743562558

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG743562558

Diamond specifications and retailer prices

From $1,270 USD
As of October 31, 2026
Save $7,920 USD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,190 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG743562558 or 743562558. Listed at 11 retailers as of October 31, 2026, with prices from $1,270 to $9,190, a $7,920 spread on the same certified stone. Brilliant Earth lists it at $9,190. 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

4.05
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743562558
Dimensions9.14 × 8.93 × 6.00 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.14 mm8.93 mm4.05 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743562558
Side View
Table 58.0%Crown 36.4°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 67.2%

Caratlytics Score

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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: Oct 31
Current: $9,190 USD|Low: $902 USD|High: $9,190 USD|Avg: $3,888 USD|+1.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$902 USD
Retailer 7$1,270 USD
Retailer 8$1,526 USD
Retailer 10$1,628 USD
Retailer 2$1,815 USD
Retailer 11$2,052 USD
Retailer 12$3,101 USD
Retailer 5$4,054 USD
Retailer 3$4,962 USD
Retailer 9$7,657 USD
Retailer 6$8,290 USD
Brilliant Earth$9,190 USD

30 data points across 12 retailers

11 retailers$1,270 USD to $9,190 USD

A
Cheapest Retailer
-
$1,270 USD
A
Retailer 2
-
$1,526 USD
View
Retailer 3
-
$1,628 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$1,815 USD
€1,729 EUR
View
Retailer 5
-
$2,052 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$3,101 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$4,054 USD
£3,192 GBP
View
Retailer 8
-
$4,962 USD
A$7,634 AUD
View
Price last confirmed 31 days ago
B
Retailer 9
-
$7,657 USD
View
B
Retailer 10
-
$8,290 USD
View
Most Expensive
B
Brilliant Earth
20595519A · Nov 2
$9,190 USD
View
10 more retailers have this diamond
Prices start from $1,270 USDSave up to $7,920 USD

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
4.05ct Cushion
$1,270 USD