Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG735531364

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

Certificate IGI LG735531364

Diamond specifications and retailer prices

From $1,025 USD

As of October 31, 2026

Save $8,275 USD (89%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $9,300 USD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 3.11ct lab-grown cushion diamond

This 3.11ct 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 LG735531364 or 735531364. Listed at 21 retailers as of October 28, 2026, with prices from $1,025 to $9,300, a $8,275 spread on the same certified stone. Brilliant Earth lists it at $9,300. 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

3.11

Carat

Color

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.5°

Pavilion angle38.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG735531364

Dimensions8.50 × 8.50 × 5.58 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 LG735531364

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 31

Current: $9,300 USD|Low: $1,025 USD|High: $9,300 USD|Avg: $2,887 USD

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 15$1,025 USD

Retailer 18$1,220 USD

Retailer 9$1,306 USD

Retailer 6$1,337 USD

Retailer 19$1,605 USD

Retailer 14$1,637 USD

Retailer 2$1,704 USD

Retailer 3$2,147 USD

Retailer 13$2,400 USD

Retailer 16$2,467 USD

Retailer 10$2,737 USD

Retailer 11$2,941 USD

Retailer 7$3,324 USD

Retailer 4$3,479 USD

Retailer 17$3,623 USD

Retailer 12$3,694 USD

Retailer 8$3,763 USD

Retailer 5$4,042 USD

Retailer 20$4,104 USD

Brilliant Earth$9,300 USD

36 data points across 20 retailers

21 retailers$1,025 USD to $9,300 USD

Cheapest Retailer

$1,025 USD

Final sale: no returns

Retailer 2

$1,220 USD

View

Retailer 3

$1,306 USD

HK$10,200 HKD

View

Retailer 4

$1,337 USD

View

Retailer 5

$1,605 USD

View

Retailer 6

$1,637 USD

£1,289 GBP

View

Retailer 7

$1,662 USD

£1,309 GBP

View

Price last confirmed 16 days ago

Retailer 8

$1,704 USD

€1,623 EUR

View

B+

Retailer 9

$2,147 USD

View

B+

Retailer 10

$2,400 USD

A$3,692 AUD

View

B+

Retailer 11

$2,467 USD

ZAR 39,862 ZAR

View

B+

Retailer 12

$2,737 USD

View

B+

Retailer 13

$2,941 USD

£2,316 GBP

View

B+

Retailer 14

$3,324 USD

View

Retailer 15

$3,479 USD

View

B+

Retailer 16

$3,623 USD

£2,853 GBP

View

Retailer 17

$3,694 USD

View

Retailer 18

$3,763 USD

SGD 5,085 SGD

View

Retailer 19

$4,042 USD

View

Retailer 20

$4,104 USD

A$6,314 AUD

View

Price last confirmed 26 days ago

Most Expensive

Brilliant Earth

16122051A · Oct 28

$9,300 USD

View

20 more retailers have this diamond

Prices start from $1,025 USDSave up to $8,275 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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