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 HK$27,775 HKD

$3,540 USD

As of November 2, 2026

12 retailers carry this diamond

Most expensive: HK$36,877 HKD 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

Unlock full score analysis

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

Price History

Last verified: Nov 2

Current: HK$36,877 HKD|Low: HK$6,198 HKD|High: HK$36,877 HKD|Avg: HK$15,975 HKD

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 7HK$6,198 HKD

Retailer 13HK$6,325 HKD

Retailer 4HK$7,469 HKD

Retailer 3HK$7,964 HKD

Retailer 8HK$8,502 HKD

Retailer 6HK$8,775 HKD

Retailer 10HK$12,232 HKD

Retailer 11HK$13,291 HKD

Retailer 12HK$19,090 HKD

Retailer 5HK$19,320 HKD

Retailer 9HK$20,243 HKD

Retailer 2HK$27,775 HKD

Do Amore DiamondsHK$36,877 HKD

20 data points across 13 retailers

12 retailers

Retailer 1

HK$6,198 HKD

$790 USD

Price last confirmed 8 days ago

Retailer 2

HK$7,469 HKD

$952 USD

View

Price last confirmed 8 days ago

Retailer 3

HK$7,964 HKD

$1,015 USD

View

Price last confirmed 10 days ago

Retailer 4

HK$8,502 HKD

€1,032 EUR

View

Price last confirmed 8 days ago

Retailer 5

HK$8,775 HKD

£881 GBP

View

Price last confirmed 8 days ago

Retailer 6

HK$12,232 HKD

ZAR 25,186 ZAR

View

Price last confirmed 9 days ago

Retailer 7

HK$13,291 HKD

$1,694 USD

View

Price last confirmed 7 days ago

Retailer 8

HK$19,090 HKD

$2,433 USD

View

Price last confirmed 7 days ago

Retailer 9

HK$19,320 HKD

$2,462 USD

View

Price last confirmed 8 days ago

Retailer 10

HK$20,243 HKD

$2,580 USD

View

Price last confirmed 9 days ago

Retailer 11

HK$27,775 HKD

$3,540 USD

View

Most Expensive

Do Amore Diamonds

27-8E1241D7A · Oct 26

HK$36,877 HKD

$4,700 USD

View

Price last confirmed 7 days ago

11 more retailers have this diamond

Prices start from HK$27,775 HKD

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

HK$27,775 HKD