Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG747588136

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG747588136

Diamond specifications and retailer prices

From $960 CAD

$687 USD

As of October 30, 2026

Save $8,819 CAD (90%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $9,778 CAD at Do Amore Diamonds · As of October 31, 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 LG747588136 or 747588136. Listed at 25 retailers as of October 30, 2026, with prices from $960 to $9,778, a $8,819 spread on the same certified stone. Do Amore Diamonds lists it at $9,778. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.1°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG747588136

Dimensions14.76 × 7.80 × 4.99 mm

L/W Ratio1.89

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 LG747588136

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 30

Current: $8,521 CAD|Low: $922 CAD|High: $8,521 CAD|Avg: $2,984 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

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

November 2, 2026

Retailer 4$922 CAD

Retailer 6$1,074 CAD

Retailer 3$1,113 CAD

Retailer 19$1,113 CAD

Retailer 18$1,292 CAD

Retailer 8$1,377 CAD

Retailer 7$1,573 CAD

Retailer 5$1,668 CAD

Retailer 2$1,883 CAD

Retailer 17$2,744 CAD

Retailer 14$2,777 CAD

Retailer 15$2,855 CAD

Retailer 16$3,702 CAD

Retailer 9$3,809 CAD

Retailer 10$3,811 CAD

Retailer 11$4,397 CAD

Retailer 12$4,609 CAD

Retailer 13$7,711 CAD

Do Amore Diamonds$8,521 CAD

43 data points across 19 retailers

25 retailers$960 CAD to $9,778 CAD

Retailer 1

$922 CAD

$660 USD

Price last confirmed 30 days ago

Retailer 2

$960 CAD

$687 USD

View

Retailer 3

$1,045 CAD

$748 USD

View

Price last confirmed 34 days ago

Retailer 4

$1,074 CAD

$769 USD

View

Final sale: no returns

Retailer 5

$1,113 CAD

$797 USD

View

Price last confirmed 16 days ago

Retailer 6

$1,113 CAD

$797 USD

View

Price last confirmed 29 days ago

Retailer 7

$1,113 CAD

$797 USD

View

Retailer 8

$1,292 CAD

$925 USD

View

Retailer 9

$1,377 CAD

$986 USD

View

Retailer 10

$1,573 CAD

$1,126 USD

View

Retailer 11

$1,668 CAD

$1,194 USD

View

Retailer 12

$1,883 CAD

£1,062 GBP

View

B+

Retailer 13

$2,744 CAD

$1,964 USD

View

B+

Retailer 14

$2,777 CAD

A$3,058 AUD

View

B+

Retailer 15

$2,855 CAD

ZAR 33,014 ZAR

View

Retailer 16

$3,457 CAD

$2,475 USD

View

Price last confirmed 32 days ago

B+

Retailer 17

$3,457 CAD

$2,475 USD

View

B+

Retailer 18

$3,702 CAD

$2,650 USD

View

Retailer 19

$3,809 CAD

$2,727 USD

View

Retailer 20

$3,811 CAD

£2,148 GBP

View

Retailer 21

$4,397 CAD

$3,148 USD

View

Retailer 22

$4,609 CAD

£2,598 GBP

View

Retailer 23

$7,711 CAD

$5,520 USD

View

Retailer 24

$8,521 CAD

$6,100 USD

View

Most Expensive

Do Amore Diamonds

23-747588136 · Oct 31

$9,778 CAD

$7,000 USD

View

24 more retailers have this diamond

Prices start from $960 CADSave up to $8,819 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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