Cushion|Lab Grown|IGI

6.51ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG791660765

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG791660765

Diamond specifications and retailer prices

From $3,073 CAD

$2,199 USD

As of November 1, 2026

Save $10,999 CAD (78%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $19,078 CAD at Queensmith · As of October 9, 2026

View at Queensmith

About this 6.51ct lab-grown cushion diamond

This 6.51ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791660765 or 791660765. Listed at 18 retailers as of November 1, 2026, with a 358% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.51

Carat

Color

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.5°

Pavilion angle39°

OriginLab Grown

Grading LabIGI

CertificateIGI LG791660765

Dimensions11.78 × 9.97 × 6.87 mm

L/W Ratio1.18

Girdle conditionFaceted

Culet sizePointed

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 LG791660765

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: Nov 1

Current: $4,942 CAD|Low: $3,073 CAD|High: $17,440 CAD|Avg: $6,560 CAD|-6.7%

Retailer 1

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

Retailer 17

November 2, 2026

Retailer 3$3,073 CAD

Retailer 17$3,183 CAD

Retailer 10$3,295 CAD

Retailer 2$3,417 CAD

Retailer 6$3,566 CAD

Retailer 11$4,378 CAD

Retailer 15$4,549 CAD

Retailer 1$4,942 CAD

Retailer 13$5,898 CAD

Retailer 8$6,048 CAD

Retailer 14$6,159 CAD

Retailer 7$6,791 CAD

Retailer 5$8,577 CAD

Retailer 4$9,089 CAD

Retailer 12$9,090 CAD

Retailer 9$11,142 CAD

Retailer 16$14,072 CAD

34 data points across 17 retailers

18 retailers$3,073 CAD to $14,072 CAD

Cheapest Retailer

$3,073 CAD

$2,199 USD

Final sale: no returns

Retailer 2

$3,183 CAD

$2,278 USD

View

Price last confirmed 22 days ago

Retailer 3

$3,295 CAD

£1,856 GBP

View

Retailer 4

$3,417 CAD

$2,445 USD

View

Retailer 5

$3,566 CAD

$2,552 USD

View

Retailer 6

$4,378 CAD

£2,467 GBP

View

Retailer 7

$4,549 CAD

$3,255 USD

View

Retailer 8

$4,942 CAD

€3,368 EUR

View

B+

Retailer 9

$5,898 CAD

A$6,493 AUD

View

B+

Retailer 10

$6,048 CAD

£3,408 GBP

View

B+

Retailer 11

$6,159 CAD

ZAR 71,207 ZAR

View

B+

Retailer 12

$6,791 CAD

$4,860 USD

View

B+

Retailer 13

$8,577 CAD

$6,138 USD

View

B+

Retailer 14

$9,089 CAD

$6,504 USD

View

B+

Retailer 15

$9,090 CAD

£5,122 GBP

View

Retailer 16

$11,142 CAD

$7,973 USD

View

Retailer 17

$14,072 CAD

$10,070 USD

View

Most Expensive

Queensmith

LG791660765 · Oct 9

$19,078 CAD

£10,750 GBP

View

Price last confirmed 24 days ago

17 more retailers have this diamond

Prices start from $3,073 CADSave up to $10,999 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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6.51ct Cushion

$3,073 CAD