Cushion|Lab Grown|IGI

6.58ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG710502173

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG710502173

Diamond specifications and retailer prices

From $2,767 CAD

$1,981 USD

As of November 1, 2026

Save $14,652 CAD (84%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $17,419 CAD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 6.58ct lab-grown cushion diamond

This 6.58ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG710502173 or 710502173. Listed at 18 retailers as of October 29, 2026, with prices from $2,767 to $17,419, a $14,652 spread on the same certified stone. Brilliant Earth lists it at $17,419. 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

6.58

Carat

Color

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.5°

Pavilion angle35.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG710502173

Dimensions11.98 × 9.56 × 6.51 mm

L/W Ratio1.25

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG710502173

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: $17,419 CAD|Low: $2,224 CAD|High: $17,964 CAD|Avg: $5,185 CAD|-3.0%

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

October 30, 2026

Retailer 4$2,224 CAD

Retailer 11$2,303 CAD

Retailer 10$2,542 CAD

Retailer 2$2,767 CAD

Retailer 13$3,239 CAD

Retailer 6$3,580 CAD

Retailer 9$4,720 CAD

Retailer 8$4,875 CAD

Retailer 5$6,131 CAD

Retailer 3$6,208 CAD

Retailer 12$7,241 CAD

Retailer 7$7,272 CAD

Brilliant Earth$17,419 CAD

40 data points across 13 retailers

18 retailers$2,767 CAD to $17,419 CAD

Retailer 1

$2,303 CAD

$1,649 USD

Price last confirmed 20 days ago

Retailer 2

$2,542 CAD

$1,820 USD

View

Price last confirmed 5 days ago

Retailer 3

$2,767 CAD

$1,981 USD

View

Retailer 4

$2,911 CAD

$2,084 USD

View

Retailer 5

$3,239 CAD

$2,319 USD

View

Retailer 6

$3,290 CAD

$2,355 USD

View

Retailer 7

$3,580 CAD

£2,018 GBP

View

Retailer 8

$4,720 CAD

A$5,198 AUD

View

Price last confirmed 10 days ago

Retailer 9

$4,875 CAD

ZAR 56,378 ZAR

View

Price last confirmed 8 days ago

Retailer 10

$6,131 CAD

£3,456 GBP

View

Retailer 11

$6,208 CAD

$4,444 USD

View

Retailer 12

$6,708 CAD

$4,802 USD

View

Retailer 13

$7,241 CAD

A$7,975 AUD

View

Price last confirmed 27 days ago

Retailer 14

$7,272 CAD

£4,099 GBP

View

Retailer 15

$8,972 CAD

$6,422 USD

View

Retailer 16

$13,662 CAD

$9,780 USD

View

Retailer 17

$14,500 CAD

$10,380 USD

View

Most Expensive

Brilliant Earth

18873951A · Oct 29

$17,419 CAD

$12,470 USD

View

17 more retailers have this diamond

Prices start from $2,767 CADSave up to $14,652 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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6.58ct Cushion

$2,767 CAD