Round|Lab Grown|IGI

6.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG608398191

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608398191

Diamond specifications and retailer prices

From $1,288 CAD

$922 USD

As of October 29, 2026

Save $7,638 CAD (86%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $8,926 CAD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 6.51ct lab-grown round diamond

This 6.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG608398191 or 608398191. Listed at 22 retailers as of October 29, 2026, with prices from $1,288 to $8,926, a $7,638 spread on the same certified stone. Brilliant Earth lists it at $8,926. 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

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle41.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG608398191

Dimensions11.93 × 11.85 × 7.40 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG608398191

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 29

Current: $8,926 CAD|Low: $1,288 CAD|High: $8,926 CAD|Avg: $3,398 CAD

Brilliant Earth

Retailer 2

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November 1, 2026

Retailer 8$1,288 CAD

Retailer 20$1,401 CAD

Retailer 3$1,443 CAD

Retailer 4$1,495 CAD

Retailer 6$1,495 CAD

Retailer 16$1,739 CAD

Retailer 5$1,966 CAD

Retailer 9$2,172 CAD

Retailer 2$2,294 CAD

Retailer 11$2,396 CAD

Retailer 13$2,464 CAD

Retailer 17$2,768 CAD

Retailer 18$2,891 CAD

Retailer 21$3,325 CAD

Retailer 10$3,848 CAD

Retailer 7$4,200 CAD

Retailer 12$4,659 CAD

Retailer 14$4,675 CAD

Retailer 19$5,074 CAD

Retailer 15$5,195 CAD

Retailer 22$7,271 CAD

Brilliant Earth$8,926 CAD

36 data points across 22 retailers

22 retailers$1,288 CAD to $8,926 CAD

Cheapest Retailer

$1,288 CAD

$922 USD

Retailer 2

$1,401 CAD

$1,003 USD

View

Retailer 3

$1,443 CAD

$1,033 USD

View

Final sale: no returns

Retailer 4

$1,495 CAD

$1,070 USD

View

Retailer 5

$1,495 CAD

$1,070 USD

View

Price last confirmed 14 days ago

Retailer 6

$1,739 CAD

$1,245 USD

View

Retailer 7

$1,966 CAD

£1,108 GBP

View

Price last confirmed 15 days ago

Retailer 8

$2,172 CAD

$1,555 USD

View

Retailer 9

$2,294 CAD

£1,293 GBP

View

B+

Retailer 10

$2,396 CAD

$1,715 USD

View

Retailer 11

$2,464 CAD

€1,680 EUR

View

B+

Retailer 12

$2,768 CAD

A$3,049 AUD

View

B+

Retailer 13

$2,891 CAD

ZAR 33,438 ZAR

View

B+

Retailer 14

$3,325 CAD

$2,380 USD

View

B+

Retailer 15

$3,848 CAD

$2,755 USD

View

B+

Retailer 16

$4,200 CAD

$3,007 USD

View

Retailer 17

$4,659 CAD

$3,335 USD

View

Price last confirmed 20 days ago

Retailer 18

$4,675 CAD

$3,347 USD

View

Retailer 19

$5,074 CAD

£2,860 GBP

View

Retailer 20

$5,195 CAD

$3,719 USD

View

Retailer 21

$7,271 CAD

$5,205 USD

View

Price last confirmed 10 days ago

Most Expensive

Brilliant Earth

8778208A · Oct 31

$8,926 CAD

$6,390 USD

View

21 more retailers have this diamond

Prices start from $1,288 CADSave up to $7,638 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 Round

$1,288 CAD