Cushion|Lab Grown|IGI

4.01ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG414096909

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG414096909

Diamond specifications and retailer prices

From $676 USD

£532 GBP

As of November 1, 2026

Save $2,074 USD (75%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: $2,750 USD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 4.01ct lab-grown cushion diamond

This 4.01ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG414096909 or 414096909. Listed at 12 retailers as of October 31, 2026, with prices from $676 to $2,750, a $2,074 spread on the same certified stone. Brilliant Earth lists it at $2,750. 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

4.01

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle33.9°

Pavilion angle34.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG414096909

Dimensions8.97 × 8.90 × 5.79 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateIGI LG414096909

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: Nov 1

Current: $2,750 USD|Low: $583 USD|High: $4,490 USD|Avg: $1,600 USD|-38.8%

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

November 1, 2026

Retailer 3$583 USD

Retailer 7$676 USD

Retailer 13$745 USD

Retailer 10$802 USD

Retailer 8$894 USD

Retailer 9$1,012 USD

Retailer 14$1,159 USD

Retailer 11$1,189 USD

Retailer 5$1,570 USD

Retailer 12$1,969 USD

Retailer 6$2,320 USD

Retailer 4$2,361 USD

Retailer 2$2,521 USD

Brilliant Earth$2,750 USD

35 data points across 14 retailers

12 retailers$676 USD to $2,750 USD

Retailer 1

$583 USD

Price last confirmed 16 days ago

Retailer 2

$676 USD

£532 GBP

View

Retailer 3

$745 USD

View

B+

Retailer 4

$802 USD

View

Retailer 5

$894 USD

€851 EUR

View

Retailer 6

$1,012 USD

View

Retailer 7

$1,159 USD

ZAR 18,730 ZAR

View

Retailer 8

$1,189 USD

View

B+

Retailer 9

$1,969 USD

View

Retailer 10

$2,361 USD

SGD 3,191 SGD

View

Price last confirmed 19 days ago

Retailer 11

$2,521 USD

£1,985 GBP

View

Most Expensive

Brilliant Earth

20461050A · Oct 31

$2,750 USD

View

11 more retailers have this diamond

Prices start from $676 USDSave up to $2,074 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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