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 $4,527 SGD

$3,540 USD

As of November 2, 2026

12 retailers carry this diamond

Most expensive: $6,011 SGD 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 12 retailers as of November 2, 2026. 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

Colour

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 →

Good

Decent quality, room for better deals

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2

Current: $6,011 SGD|Low: $1,010 SGD|High: $6,011 SGD|Avg: $2,604 SGD

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$1,010 SGD

Retailer 13$1,031 SGD

Retailer 4$1,218 SGD

Retailer 3$1,298 SGD

Retailer 8$1,386 SGD

Retailer 6$1,430 SGD

Retailer 10$1,994 SGD

Retailer 11$2,166 SGD

Retailer 12$3,112 SGD

Retailer 5$3,149 SGD

Retailer 9$3,300 SGD

Retailer 2$4,527 SGD

Do Amore Diamonds$6,011 SGD

20 data points across 13 retailers

12 retailers

Retailer 1

$1,010 SGD

$790 USD

Price last confirmed 8 days ago

Retailer 2

$1,218 SGD

$952 USD

View

Price last confirmed 8 days ago

Retailer 3

$1,298 SGD

$1,015 USD

View

Price last confirmed 11 days ago

Retailer 4

$1,386 SGD

€1,032 EUR

View

Price last confirmed 8 days ago

Retailer 5

$1,430 SGD

£881 GBP

View

Price last confirmed 8 days ago

Retailer 6

$1,994 SGD

ZAR 25,186 ZAR

View

Price last confirmed 10 days ago

Retailer 7

$2,166 SGD

$1,694 USD

View

Price last confirmed 8 days ago

Retailer 8

$3,112 SGD

$2,433 USD

View

Price last confirmed 7 days ago

Retailer 9

$3,149 SGD

$2,462 USD

View

Price last confirmed 8 days ago

Retailer 10

$3,300 SGD

$2,580 USD

View

Price last confirmed 9 days ago

Retailer 11

$4,527 SGD

$3,540 USD

View

Most Expensive

Do Amore Diamonds

27-8E1241D7A · Oct 26

$6,011 SGD

$4,700 USD

View

Price last confirmed 8 days ago

11 more retailers have this diamond

Prices start from $4,527 SGD

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

$4,527 SGD