Marquise|Lab Grown|IGI

3.06ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG638454970

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG638454970

Diamond specifications and retailer prices

From £3,802 GBP

HK$39,800 HKD

As of October 30, 2026

Save £2,430 GBP (39%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: £16,255 GBP at Do Amore Diamonds · As of October 23, 2026

View at Do Amore Diamonds

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG638454970 or 638454970. Listed at 31 retailers as of October 28, 2026, with a 64% 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

3.06

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG638454970

Dimensions14.77 × 7.55 × 4.78 mm

L/W Ratio1.96

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG638454970

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 30

Current: £16,255 GBP|Low: £2,073 GBP|High: £16,255 GBP|Avg: £6,064 GBP

Do Amore Diamonds

Retailer 2

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Retailer 24

October 29, 2026

Retailer 10£2,073 GBP

Retailer 12£2,363 GBP

Retailer 3£2,670 GBP

Retailer 11£2,741 GBP

Retailer 24£2,858 GBP

Retailer 17£3,106 GBP

Retailer 4£3,802 GBP

Retailer 23£3,857 GBP

Retailer 18£4,109 GBP

Retailer 22£4,269 GBP

Retailer 16£4,605 GBP

Retailer 15£4,629 GBP

Retailer 21£4,874 GBP

Retailer 2£6,217 GBP

Retailer 19£6,514 GBP

Retailer 7£6,878 GBP

Retailer 13£6,899 GBP

Retailer 20£6,946 GBP

Retailer 5£7,913 GBP

Retailer 14£8,039 GBP

Retailer 8£8,282 GBP

Retailer 9£10,642 GBP

Retailer 6£10,991 GBP

Do Amore Diamonds£16,255 GBP

35 data points across 24 retailers

31 retailers£3,802 GBP to £6,232 GBP

Retailer 1

£2,073 GBP

$2,778 USD

Price last confirmed 7 days ago

Retailer 2

£2,363 GBP

$3,166 USD

View

Price last confirmed 9 days ago

Retailer 3

£2,363 GBP

$3,166 USD

View

Price last confirmed 22 days ago

Retailer 4

£2,641 GBP

$3,538 USD

View

Price last confirmed 31 days ago

Retailer 5

£2,670 GBP

$3,578 USD

View

Price last confirmed 9 days ago

Retailer 6

£2,741 GBP

$3,672 USD

View

Price last confirmed 22 days ago

Retailer 7

£2,741 GBP

$3,672 USD

View

Price last confirmed 20 days ago

Retailer 8

£2,858 GBP

$3,830 USD

View

Price last confirmed 7 days ago

Retailer 9

£2,873 GBP

$3,849 USD

View

Price last confirmed 32 days ago

Retailer 10

£3,020 GBP

$4,047 USD

View

Price last confirmed 32 days ago

Retailer 11

£3,780 GBP

$5,065 USD

View

Price last confirmed 20 days ago

Retailer 12

£3,780 GBP

$5,065 USD

View

Price last confirmed 8 days ago

Retailer 13

£3,802 GBP

HK$39,800 HKD

View

Retailer 14

£3,857 GBP

$5,168 USD

View

Price last confirmed 9 days ago

Retailer 15

£4,109 GBP

View

Price last confirmed 9 days ago

Retailer 16

£4,224 GBP

$5,660 USD

View

Price last confirmed 30 days ago

Retailer 17

£4,269 GBP

$5,720 USD

View

Price last confirmed 9 days ago

Retailer 18

£4,605 GBP

$6,170 USD

View

Price last confirmed 9 days ago

Retailer 19

£4,629 GBP

View

Price last confirmed 9 days ago

B+

Retailer 20

£6,217 GBP

$8,330 USD

View

B+

Retailer 21

£6,232 GBP

$8,350 USD

View

Retailer 22

£6,514 GBP

View

Price last confirmed 9 days ago

Retailer 23

£6,878 GBP

$9,216 USD

View

Price last confirmed 10 days ago

Retailer 24

£6,899 GBP

A$14,221 AUD

View

Price last confirmed 8 days ago

Retailer 25

£6,946 GBP

ZAR 150,355 ZAR

View

Price last confirmed 10 days ago

Retailer 26

£7,913 GBP

$10,603 USD

View

Price last confirmed 9 days ago

Retailer 27

£8,039 GBP

$10,771 USD

View

Price last confirmed 9 days ago

Retailer 28

£8,282 GBP

A$17,072 AUD

View

Price last confirmed 22 days ago

Retailer 29

£10,642 GBP

$14,259 USD

View

Price last confirmed 8 days ago

Retailer 30

£10,991 GBP

SGD 19,901 SGD

View

Price last confirmed 10 days ago

Most Expensive

Do Amore Diamonds

27-2DA2774C6 · Oct 23

£16,255 GBP

$21,780 USD

View

Price last confirmed 7 days ago

30 more retailers have this diamond

Prices start from £3,802 GBPSave up to £2,430 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 3.06ct E IF marquise lab-grown

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

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