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 $1,490 USD

As of October 29, 2026

Save $5,900 USD (80%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $7,390 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $1,490 to $7,390, a $5,900 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

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG728567933

Side View

Caratlytics Score

How it works →

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 29

Current: $7,390 USD|Low: $1,291 USD|High: $7,390 USD|Avg: $3,043 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

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Retailer 17

October 30, 2026

Retailer 4$1,337 USD

Retailer 14$1,490 USD

Retailer 5$1,705 USD

Retailer 10$1,939 USD

Retailer 16$2,010 USD

Retailer 2$2,090 USD

Retailer 11$2,145 USD

Retailer 12$2,846 USD

Retailer 15$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 13$4,319 USD

Retailer 8$4,681 USD

Brilliant Earth$7,390 USD

39 data points across 17 retailers

18 retailers$1,490 USD to $7,390 USD

Retailer 1

$1,337 USD

Price last confirmed 17 days ago

Retailer 2

$1,490 USD

View

Retailer 3

$1,705 USD

View

Retailer 4

$1,939 USD

£1,527 GBP

View

Retailer 5

$2,010 USD

View

Retailer 6

$2,090 USD

View

Final sale: no returns

Retailer 7

$2,145 USD

€2,043 EUR

View

Retailer 8

$2,846 USD

ZAR 45,981 ZAR

View

Retailer 9

$2,863 USD

A$4,404 AUD

View

Price last confirmed 8 days ago

B+

Retailer 10

$3,051 USD

View

B+

Retailer 11

$3,451 USD

View

Retailer 12

$3,688 USD

£2,904 GBP

View

Price last confirmed 19 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

Retailer 17

$4,681 USD

View

Most Expensive

Brilliant Earth

15634959A · Oct 29

$7,390 USD

View

17 more retailers have this diamond

Prices start from $1,490 USDSave up to $5,900 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.

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