Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG735596581

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG735596581

Diamond specifications and retailer prices

From HK$5,210 HKD

$664 USD

As of November 2, 2026

Save HK$41,004 HKD (89%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: HK$46,214 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 LG735596581 or 735596581. Listed at 25 retailers as of November 2, 2026, with prices from HK$5,210 to HK$46,214, a HK$41,004 spread on the same certified stone. Do Amore Diamonds lists it at HK$46,214. 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 angle34.3°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG735596581

Dimensions15.47 × 8.03 × 5.05 mm

L/W Ratio1.93

Girdle conditionFaceted

Culet sizePointed

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG735596581

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$46,214 HKD|Low: HK$4,998 HKD|High: HK$46,214 HKD|Avg: HK$16,114 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$4,998 HKD

Retailer 7HK$5,822 HKD

Retailer 3HK$6,041 HKD

Retailer 19HK$6,041 HKD

Retailer 18HK$7,454 HKD

Retailer 9HK$7,689 HKD

Retailer 8HK$8,537 HKD

Retailer 6HK$9,164 HKD

Retailer 12HK$10,699 HKD

Retailer 15HK$15,055 HKD

Retailer 17HK$15,425 HKD

Retailer 2HK$15,493 HKD

Retailer 5HK$20,596 HKD

Retailer 11HK$20,686 HKD

Retailer 16HK$20,714 HKD

Retailer 10HK$20,808 HKD

Retailer 13HK$26,177 HKD

Retailer 14HK$43,310 HKD

Do Amore DiamondsHK$46,214 HKD

43 data points across 19 retailers

25 retailersHK$5,210 HKD to HK$46,214 HKD

Retailer 1

HK$4,998 HKD

$637 USD

Price last confirmed 31 days ago

Retailer 2

HK$5,210 HKD

$664 USD

View

Retailer 3

HK$5,665 HKD

$722 USD

View

Price last confirmed 34 days ago

Retailer 4

HK$5,822 HKD

$742 USD

View

Final sale: no returns

Retailer 5

HK$6,041 HKD

$770 USD

View

Price last confirmed 17 days ago

Retailer 6

HK$6,041 HKD

$770 USD

View

Price last confirmed 30 days ago

Retailer 7

HK$6,041 HKD

$770 USD

View

Retailer 8

HK$7,454 HKD

$950 USD

View

Retailer 9

HK$7,689 HKD

$980 USD

View

Retailer 10

HK$8,537 HKD

$1,088 USD

View

Retailer 11

HK$9,164 HKD

$1,168 USD

View

Retailer 12

HK$10,699 HKD

£1,074 GBP

View

B+

Retailer 13

HK$15,055 HKD

A$2,952 AUD

View

B+

Retailer 14

HK$15,425 HKD

$1,966 USD

View

B+

Retailer 15

HK$15,493 HKD

ZAR 31,901 ZAR

View

Retailer 16

HK$18,744 HKD

$2,389 USD

View

Price last confirmed 33 days ago

B+

Retailer 17

HK$18,744 HKD

$2,389 USD

View

B+

Retailer 18

HK$20,596 HKD

$2,625 USD

View

Retailer 19

HK$20,686 HKD

£2,076 GBP

View

B+

Retailer 20

HK$20,714 HKD

$2,640 USD

View

Retailer 21

HK$20,808 HKD

$2,652 USD

View

Retailer 22

HK$23,859 HKD

$3,041 USD

View

Retailer 23

HK$26,177 HKD

£2,627 GBP

View

Retailer 24

HK$43,310 HKD

$5,520 USD

View

Most Expensive

Do Amore Diamonds

27-4DDD2B3F8 · Nov 2

HK$46,214 HKD

$5,890 USD

View

24 more retailers have this diamond

Prices start from HK$5,210 HKDSave up to HK$41,004 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$5,210 HKD