Cushion|Lab Grown|IGI

5.40ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG819642920

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG819642920

Diamond specifications and retailer prices

From $1,206 USD

£949 GBP

As of October 30, 2026

Save $6,674 USD (85%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $7,880 USD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 5.4ct lab-grown cushion diamond

This 5.4ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819642920 or 819642920. Listed at 16 retailers as of October 30, 2026, with prices from $1,206 to $7,880, a $6,674 spread on the same certified stone. Brilliant Earth lists it at $7,880. 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

5.40

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle31.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG819642920

Dimensions11.70 × 9.00 × 5.86 mm

L/W Ratio1.30

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG819642920

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 30

Current: $7,880 USD|Low: $1,071 USD|High: $12,760 USD|Avg: $2,974 USD|-38.2%

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

October 31, 2026

Retailer 6$1,110 USD

Retailer 10$1,206 USD

Retailer 9$1,212 USD

Retailer 4$1,335 USD

Retailer 13$1,590 USD

Retailer 2$1,712 USD

Retailer 11$1,780 USD

Retailer 3$2,248 USD

Retailer 12$2,256 USD

Retailer 5$2,851 USD

Retailer 7$3,063 USD

Retailer 15$3,300 USD

Retailer 14$3,771 USD

Retailer 8$3,865 USD

Retailer 16$5,334 USD

Brilliant Earth$7,880 USD

26 data points across 16 retailers

16 retailers$1,206 USD to $7,880 USD

Retailer 1

$1,110 USD

Price last confirmed 13 days ago

Retailer 2

$1,206 USD

£949 GBP

View

Retailer 3

$1,212 USD

View

Final sale: no returns

Retailer 4

$1,335 USD

View

B+

Retailer 5

$1,590 USD

View

Retailer 6

$1,712 USD

£1,348 GBP

View

Retailer 7

$1,780 USD

€1,695 EUR

View

Retailer 8

$2,248 USD

A$3,459 AUD

View

Price last confirmed 9 days ago

Retailer 9

$2,256 USD

ZAR 36,442 ZAR

View

B+

Retailer 10

$2,851 USD

View

B+

Retailer 11

$3,063 USD

£2,412 GBP

View

B+

Retailer 12

$3,300 USD

View

B+

Retailer 13

$3,771 USD

£2,969 GBP

View

B+

Retailer 14

$3,865 USD

View

Retailer 15

$5,334 USD

View

Most Expensive

Brilliant Earth

20916443A · Oct 30

$7,880 USD

View

15 more retailers have this diamond

Prices start from $1,206 USDSave up to $6,674 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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