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 HK$5,390 HKD

$687 USD

As of November 2, 2026

Save HK$49,532 HKD (90%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: HK$54,923 HKD at Do Amore Diamonds · As of November 2, 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 November 2, 2026, with prices from HK$5,390 to HK$54,923, a HK$49,532 spread on the same certified stone. Do Amore Diamonds lists it at HK$54,923. 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

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: Nov 2

Current: HK$47,861 HKD|Low: HK$5,178 HKD|High: HK$47,861 HKD|Avg: HK$16,745 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

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

November 3, 2026

Retailer 4HK$5,178 HKD

Retailer 6HK$6,034 HKD

Retailer 3HK$6,253 HKD

Retailer 19HK$6,253 HKD

Retailer 18HK$7,258 HKD

Retailer 8HK$7,736 HKD

Retailer 7HK$8,835 HKD

Retailer 5HK$9,368 HKD

Retailer 12HK$10,579 HKD

Retailer 17HK$15,410 HKD

Retailer 15HK$15,596 HKD

Retailer 2HK$16,048 HKD

Retailer 16HK$20,792 HKD

Retailer 9HK$21,394 HKD

Retailer 10HK$21,404 HKD

Retailer 11HK$24,696 HKD

Retailer 13HK$25,888 HKD

Retailer 14HK$43,310 HKD

Do Amore DiamondsHK$47,861 HKD

43 data points across 19 retailers

25 retailersHK$5,390 HKD to HK$54,923 HKD

Retailer 1

HK$5,178 HKD

$660 USD

Price last confirmed 31 days ago

Retailer 2

HK$5,390 HKD

$687 USD

View

Retailer 3

HK$5,869 HKD

$748 USD

View

Price last confirmed 35 days ago

Retailer 4

HK$6,034 HKD

$769 USD

View

Final sale: no returns

Retailer 5

HK$6,253 HKD

$797 USD

View

Price last confirmed 17 days ago

Retailer 6

HK$6,253 HKD

$797 USD

View

Price last confirmed 30 days ago

Retailer 7

HK$6,253 HKD

$797 USD

View

Retailer 8

HK$7,258 HKD

$925 USD

View

Retailer 9

HK$7,736 HKD

$986 USD

View

Retailer 10

HK$8,835 HKD

$1,126 USD

View

Retailer 11

HK$9,368 HKD

$1,194 USD

View

Retailer 12

HK$10,579 HKD

£1,062 GBP

View

B+

Retailer 13

HK$15,410 HKD

$1,964 USD

View

B+

Retailer 14

HK$15,596 HKD

A$3,058 AUD

View

B+

Retailer 15

HK$16,048 HKD

ZAR 33,043 ZAR

View

Retailer 16

HK$19,419 HKD

$2,475 USD

View

Price last confirmed 33 days ago

B+

Retailer 17

HK$19,419 HKD

$2,475 USD

View

B+

Retailer 18

HK$20,792 HKD

$2,650 USD

View

Retailer 19

HK$21,394 HKD

$2,727 USD

View

Retailer 20

HK$21,404 HKD

£2,148 GBP

View

Retailer 21

HK$24,696 HKD

$3,148 USD

View

Retailer 22

HK$25,888 HKD

£2,598 GBP

View

Retailer 23

HK$43,310 HKD

$5,520 USD

View

Retailer 24

HK$47,861 HKD

$6,100 USD

View

Most Expensive

Do Amore Diamonds

23-747588136 · Nov 2

HK$54,923 HKD

$7,000 USD

View

24 more retailers have this diamond

Prices start from HK$5,390 HKDSave up to HK$49,532 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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