Marquise|Lab Grown|IGI

3.10ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG772618674

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG772618674

Diamond specifications and retailer prices

From £1,353 GBP

As of November 5, 2026

Save £600 GBP (31%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £6,568 GBP at Do Amore Diamonds · As of October 28, 2026

View at Do Amore Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG772618674 or 772618674. Listed at 26 retailers as of November 5, 2026, with a 44% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG772618674

Dimensions14.84 × 7.67 × 4.82 mm

L/W Ratio1.93

Girdle conditionFaceted

Culet sizePointed

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG772618674

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Nov 5

Current: £6,568 GBP|Low: £322 GBP|High: £6,568 GBP|Avg: £2,199 GBP|+0.9%

Do Amore Diamonds

Retailer 2

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Retailer 4

Retailer 5

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Retailer 11

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Retailer 19

October 27, 2026

Retailer 10£322 GBP

Retailer 9£680 GBP

Retailer 3£897 GBP

Retailer 8£908 GBP

Retailer 4£1,068 GBP

Retailer 7£1,097 GBP

Retailer 18£1,107 GBP

Retailer 15£1,233 GBP

Retailer 11£1,684 GBP

Retailer 2£1,713 GBP

Retailer 17£1,751 GBP

Retailer 16£2,063 GBP

Retailer 13£2,763 GBP

Retailer 12£2,826 GBP

Retailer 6£2,955 GBP

Retailer 19£3,176 GBP

Retailer 14£3,508 GBP

Retailer 5£4,330 GBP

Do Amore Diamonds£6,568 GBP

32 data points across 19 retailers

26 retailers£1,353 GBP to £1,953 GBP

Retailer 1

£897 GBP

Price last confirmed 9 days ago

Retailer 2

£908 GBP

View

Price last confirmed 35 days ago

Retailer 3

£954 GBP

View

Price last confirmed 29 days ago

Retailer 4

£1,029 GBP

View

Price last confirmed 38 days ago

Retailer 5

£1,097 GBP

View

Price last confirmed 34 days ago

Retailer 6

£1,107 GBP

View

Price last confirmed 25 days ago

Retailer 7

£1,107 GBP

View

Price last confirmed 19 days ago

Retailer 8

£1,107 GBP

View

Price last confirmed 12 days ago

Retailer 9

£1,107 GBP

View

Price last confirmed 29 days ago

Retailer 10

£1,222 GBP

View

Price last confirmed 162 days ago

Retailer 11

£1,233 GBP

View

Price last confirmed 9 days ago

B+

Retailer 12

£1,353 GBP

View

Retailer 13

£1,713 GBP

View

Price last confirmed 10 days ago

Retailer 14

£1,751 GBP

View

Price last confirmed 11 days ago

Retailer 15

£1,953 GBP

View

Retailer 16

£2,063 GBP

View

Price last confirmed 11 days ago

Retailer 17

£2,269 GBP

View

Price last confirmed 37 days ago

Retailer 18

£2,290 GBP

View

Price last confirmed 21 days ago

Retailer 19

£2,290 GBP

View

Price last confirmed 12 days ago

Retailer 20

£2,763 GBP

View

Price last confirmed 15 days ago

Retailer 21

£2,826 GBP

View

Price last confirmed 12 days ago

Retailer 22

£2,955 GBP

View

Price last confirmed 11 days ago

Retailer 23

£3,176 GBP

View

Price last confirmed 10 days ago

Retailer 24

£3,508 GBP

View

Price last confirmed 16 days ago

Retailer 25

£4,330 GBP

View

Price last confirmed 10 days ago

Most Expensive

Do Amore Diamonds

27-4123FF103 · Oct 28

£6,568 GBP

$8,840 USD

View

Price under review

25 more retailers have this diamond

Prices start from £1,353 GBPSave up to £600 GBP

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.

Where to buy this spec

See every retailer carrying 3.1ct E VS1 marquise lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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