Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG818653105

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818653105

Diamond specifications and retailer prices

From $1,330 CAD

$952 USD

As of October 26, 2026

Save $5,236 CAD (80%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: $6,565 CAD at Do Amore Diamonds · As of October 26, 2026

View at Do Amore Diamonds

About this 3.51ct lab-grown marquise diamond

This 3.51ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818653105 or 818653105. Listed at 13 retailers as of October 26, 2026, with prices from $1,330 to $6,565, a $5,236 spread on the same certified stone. Do Amore Diamonds lists it at $6,565. 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

3.51

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.4°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818653105

Dimensions15.32 × 7.91 × 4.99 mm

L/W Ratio1.94

Girdle conditionFaceted

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 LG818653105

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 26

Current: $6,565 CAD|Low: $1,104 CAD|High: $6,565 CAD|Avg: $2,836 CAD

Do Amore Diamonds

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 27, 2026

Retailer 7$1,104 CAD

Retailer 13$1,126 CAD

Retailer 4$1,330 CAD

Retailer 3$1,418 CAD

Retailer 8$1,514 CAD

Retailer 6$1,562 CAD

Retailer 10$2,178 CAD

Retailer 11$2,366 CAD

Retailer 12$3,399 CAD

Retailer 5$3,440 CAD

Retailer 9$3,604 CAD

Retailer 2$4,945 CAD

Do Amore Diamonds$6,565 CAD

22 data points across 13 retailers

13 retailers$1,330 CAD to $6,565 CAD

Retailer 1

$1,104 CAD

$790 USD

Price last confirmed 7 days ago

Retailer 2

$1,126 CAD

£635 GBP

View

Price last confirmed 10 days ago

Retailer 3

$1,330 CAD

$952 USD

View

Retailer 4

$1,418 CAD

$1,015 USD

View

Price last confirmed 9 days ago

Retailer 5

$1,514 CAD

€1,032 EUR

View

Price last confirmed 7 days ago

Retailer 6

$1,562 CAD

£881 GBP

View

Retailer 7

$2,178 CAD

ZAR 25,186 ZAR

View

Price last confirmed 8 days ago

B+

Retailer 8

$2,366 CAD

$1,694 USD

View

B+

Retailer 9

$3,399 CAD

$2,433 USD

View

B+

Retailer 10

$3,440 CAD

$2,462 USD

View

Retailer 11

$3,604 CAD

$2,580 USD

View

Price last confirmed 7 days ago

Retailer 12

$4,945 CAD

$3,540 USD

View

Most Expensive

Do Amore Diamonds

27-8E1241D7A · Oct 26

$6,565 CAD

$4,700 USD

View

12 more retailers have this diamond

Prices start from $1,330 CADSave up to $5,236 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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3.51ct Marquise

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