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Cushion|Lab Grown|IGI

4.05ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG845662709

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

Certificate IGI LG845662709

Diamond specifications and retailer prices

From $604 USD
£476 GBP
As of November 2, 2026
Save $7,075 USD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,679 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845662709 or 845662709. Listed at 18 retailers as of October 29, 2026, with prices from $604 to $7,679, a $7,075 spread on the same certified stone. Cape Diamonds lists it at $7,679. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845662709
Dimensions9.04 × 9.01 × 6.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.04 mm9.01 mm4.05 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845662709
Side View
Table 68.0%Crown 41.6°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 68.9%

Caratlytics Score

How it works →
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: Nov 2
Current: $7,679 USD|Low: $604 USD|High: $695,607 USD|Avg: $118,037 USD
Cape Diamonds
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
November 2, 2026
Retailer 2$604 USD
Retailer 14$723 USD
Retailer 16$855 USD
Retailer 3$1,037 USD
Retailer 6$1,113 USD
Retailer 13$1,130 USD
Retailer 11$1,131 USD
Retailer 7$1,450 USD
Retailer 18$1,687 USD
Retailer 5$2,301 USD
Retailer 8$2,306 USD
Retailer 10$2,343 USD
Retailer 9$2,510 USD
Retailer 15$3,096 USD
Retailer 12$3,142 USD
Retailer 4$4,200 USD
Retailer 17$5,544 USD
Cape Diamonds$7,679 USD

10 data points across 18 retailers

18 retailers$604 USD to $7,679 USD

A
Cheapest Retailer
-
$604 USD
£476 GBP
A
Retailer 2
-
$723 USD
View
Final sale: no returns
A
Retailer 3
-
$855 USD
View
A
Retailer 4
-
$1,037 USD
View
B+
Retailer 5
-
$1,113 USD
View
A
Retailer 6
-
$1,130 USD
€1,076 EUR
View
A
Retailer 7
-
$1,131 USD
£891 GBP
View
A
Retailer 8
-
$1,450 USD
A$2,231 AUD
View
A
Retailer 9
-
$1,687 USD
View
B+
Retailer 10
-
$2,301 USD
View
B+
Retailer 11
-
$2,306 USD
View
B+
Retailer 12
-
$2,343 USD
View
B+
Retailer 13
-
$2,510 USD
View
B+
Retailer 14
-
$3,096 USD
A$4,763 AUD
View
B+
Retailer 15
-
$3,142 USD
£2,474 GBP
View
B
Retailer 16
-
$4,200 USD
View
B
Retailer 17
-
$5,544 USD
View
Most Expensive
B
Cape Diamonds
cert_845662709 · Oct 29
$7,679 USD
ZAR 124,051 ZAR
View
17 more retailers have this diamond
Prices start from $604 USDSave up to $7,075 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
$604 USD