Marquise|Lab Grown|IGI

3.13ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG825676376

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825676376

Diamond specifications and retailer prices

From £2,805 GBP

$3,758 USD

As of October 31, 2026

Save £11,521 GBP (80%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: £19,987 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 3.13ct lab-grown marquise diamond

This 3.13ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825676376 or 825676376. Listed at 31 retailers as of October 31, 2026, with a 411% 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

3.13

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG825676376

Dimensions15.36 × 7.39 × 4.67 mm

L/W Ratio2.08

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG825676376

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: Oct 31

Current: £19,987 GBP|Low: £3,129 GBP|High: £19,987 GBP|Avg: £7,789 GBP

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

November 1, 2026

Retailer 7£3,129 GBP

Retailer 5£3,508 GBP

Retailer 4£3,754 GBP

Retailer 10£4,768 GBP

Retailer 13£5,208 GBP

Retailer 8£5,847 GBP

Retailer 16£6,214 GBP

Retailer 2£8,296 GBP

Retailer 6£8,948 GBP

Retailer 12£9,098 GBP

Retailer 9£9,247 GBP

Retailer 15£9,303 GBP

Retailer 14£12,512 GBP

Retailer 11£12,594 GBP

Retailer 3£14,326 GBP

Do Amore Diamonds£19,987 GBP

29 data points across 16 retailers

31 retailers£2,805 GBP to £14,326 GBP

Cheapest Retailer

£2,805 GBP

$3,758 USD

Retailer 2

£3,114 GBP

$4,173 USD

View

Retailer 3

£3,129 GBP

$4,193 USD

View

Retailer 4

£3,279 GBP

$4,394 USD

View

Retailer 5

£3,280 GBP

CA$6,104 CAD

View

Retailer 6

£3,321 GBP

$4,450 USD

View

Retailer 7

£3,508 GBP

$4,701 USD

View

Retailer 8

£3,630 GBP

$4,864 USD

View

Price last confirmed 16 days ago

Retailer 9

£3,630 GBP

$4,864 USD

View

Retailer 10

£3,668 GBP

$4,915 USD

View

Retailer 11

£3,754 GBP

$5,030 USD

View

Final sale: no returns

B+

Retailer 12

£4,768 GBP

View

B+

Retailer 13

£5,007 GBP

$6,709 USD

View

B+

Retailer 14

£5,208 GBP

View

B+

Retailer 15

£5,653 GBP

View

B+

Retailer 16

£5,847 GBP

$7,835 USD

View

B+

Retailer 17

£6,214 GBP

€7,929 EUR

View

B+

Retailer 18

£8,296 GBP

View

Retailer 19

£8,948 GBP

$11,990 USD

View

B+

Retailer 20

£9,098 GBP

$12,190 USD

View

Retailer 21

£9,247 GBP

A$19,061 AUD

View

Retailer 22

£9,297 GBP

$12,457 USD

View

Retailer 23

£9,303 GBP

ZAR 201,378 ZAR

View

Retailer 24

£9,997 GBP

$13,395 USD

View

Retailer 25

£10,227 GBP

$13,703 USD

View

Price last confirmed 8 days ago

Retailer 26

£10,480 GBP

$14,042 USD

View

Retailer 27

£11,195 GBP

$15,000 USD

View

Retailer 28

£12,512 GBP

View

Retailer 29

£12,594 GBP

A$25,960 AUD

View

Retailer 30

£14,326 GBP

$19,195 USD

View

Most Expensive

Do Amore Diamonds

20-E96576 · Oct 31

£19,987 GBP

$26,780 USD

View

Price under review

30 more retailers have this diamond

Prices start from £2,805 GBPSave up to £11,521 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.

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