Cushion|Lab Grown|IGI

8.21ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG792639655

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

Certificate IGI LG792639655

Diamond specifications and retailer prices

From $6,704 CAD

$4,799 USD

As of October 31, 2026

Save $18,051 CAD (73%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $24,754 CAD at Adiamor · As of October 31, 2026

View at Adiamor

About this 8.21ct lab-grown cushion diamond

This 8.21ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG792639655 or 792639655. Listed at 14 retailers as of October 31, 2026, with prices from $6,704 to $24,754, a $18,051 spread on the same certified stone. Adiamor lists it at $24,754. 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

8.21

Carat

Color

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.6°

Pavilion angle32.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG792639655

Dimensions11.23 × 11.18 × 7.19 mm

L/W Ratio1.00

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment 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 LG792639655

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: $12,977 CAD|Low: $6,648 CAD|High: $17,604 CAD|Avg: $10,003 CAD|-10.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 2$6,704 CAD

Retailer 3$6,894 CAD

Retailer 10$6,944 CAD

Retailer 12$7,005 CAD

Retailer 5$8,287 CAD

Retailer 6$8,992 CAD

Retailer 4$9,772 CAD

Retailer 11$10,746 CAD

Retailer 7$11,643 CAD

Retailer 1$12,977 CAD

Retailer 9$13,126 CAD

Retailer 8$14,453 CAD

43 data points across 12 retailers

14 retailers$6,704 CAD to $24,754 CAD

Cheapest Retailer

$6,704 CAD

$4,799 USD

Final sale: no returns

Retailer 2

$6,894 CAD

$4,935 USD

View

Retailer 3

$6,944 CAD

$4,971 USD

View

Price last confirmed 15 days ago

Retailer 4

$7,005 CAD

$5,015 USD

View

B+

Retailer 5

$8,287 CAD

£4,671 GBP

View

B+

Retailer 6

$8,992 CAD

£5,069 GBP

View

B+

Retailer 7

$9,772 CAD

£5,508 GBP

View

B+

Retailer 8

$10,746 CAD

$7,693 USD

View

B+

Retailer 9

$11,643 CAD

ZAR 134,650 ZAR

View

B+

Retailer 10

$12,977 CAD

$9,290 USD

View

Retailer 11

$13,126 CAD

A$14,456 AUD

View

Price last confirmed 9 days ago

B+

Retailer 12

$14,453 CAD

£8,147 GBP

View

Retailer 13

$24,734 CAD

$17,706 USD

View

Most Expensive

Adiamor

D-80554870 · Oct 31

$24,754 CAD

$17,721 USD

View

13 more retailers have this diamond

Prices start from $6,704 CADSave up to $18,051 CAD

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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8.21ct Cushion

$6,704 CAD