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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG728567933

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728567933

Diamond specifications and retailer prices

From $1,291 USD
As of October 28, 2026
Save $6,099 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,390 USD at Brilliant Earth · As of October 28, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728567933 or 728567933. Listed at 18 retailers as of October 28, 2026, with prices from $1,291 to $7,390, a $6,099 spread on the same certified stone. Brilliant Earth lists it at $7,390. 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
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728567933
Dimensions8.59 × 8.59 × 5.76 mm
L/W Ratio1.00
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
8.59 mm8.59 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728567933
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 67.1%

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 28
Current: $7,390 USD|Low: $1,291 USD|High: $7,390 USD|Avg: $3,025 USD
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
October 29, 2026
Retailer 10$1,291 USD
Retailer 4$1,337 USD
Retailer 12$1,490 USD
Retailer 5$1,705 USD
Retailer 11$1,927 USD
Retailer 16$2,010 USD
Retailer 13$2,129 USD
Retailer 15$2,820 USD
Retailer 14$2,863 USD
Retailer 17$3,051 USD
Retailer 6$3,451 USD
Retailer 7$3,688 USD
Retailer 3$3,698 USD
Retailer 9$4,037 USD
Retailer 2$4,319 USD
Retailer 8$4,681 USD
Brilliant Earth$7,390 USD

40 data points across 17 retailers

18 retailers$1,291 USD to $7,390 USD

A
Cheapest Retailer
-
$1,291 USD
Final sale: no returns
A
Retailer 2
-
$1,337 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,490 USD
View
A
Retailer 4
-
$1,705 USD
View
A
Retailer 5
-
$1,927 USD
£1,518 GBP
View
A
Retailer 6
-
$2,010 USD
View
A
Retailer 7
-
$2,129 USD
€2,028 EUR
View
A
Retailer 8
-
$2,820 USD
ZAR 45,551 ZAR
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$2,863 USD
A$4,404 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$3,051 USD
View
B+
Retailer 11
-
$3,451 USD
View
B+
Retailer 12
-
$3,688 USD
£2,904 GBP
View
Price last confirmed 17 days ago
B+
Retailer 13
-
$3,698 USD
View
B+
Retailer 14
-
$3,871 USD
View
B+
Retailer 15
-
$4,037 USD
View
B+
Retailer 16
-
$4,319 USD
£3,401 GBP
View
B
Retailer 17
-
$4,681 USD
View
Most Expensive
B
Brilliant Earth
15634959A · Oct 28
$7,390 USD
View
17 more retailers have this diamond
Prices start from $1,291 USDSave up to $6,099 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
$1,291 USD