Marquise|Lab Grown|IGI

2.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG799676703

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799676703

Diamond specifications and retailer prices

From £1,043 GBP

$1,398 USD

As of October 30, 2026

Save £3,213 GBP (75%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £4,257 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 2.09ct lab-grown marquise diamond

This 2.09ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676703 or 799676703. Listed at 25 retailers as of October 30, 2026, with prices from £1,043 to £4,257, a £3,213 spread on the same certified stone. Taylor and Hart lists it at £4,257. 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

2.09

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG799676703

Dimensions13.28 × 6.79 × 4.07 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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG799676703

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: £3,457 GBP|Low: £1,002 GBP|High: £4,458 GBP|Avg: £2,394 GBP|-10.2%

Retailer 1

Retailer 2

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Taylor and Hart

November 1, 2026

Retailer 21£1,043 GBP

Retailer 9£1,135 GBP

Retailer 11£1,168 GBP

Retailer 3£1,211 GBP

Retailer 20£1,340 GBP

Retailer 10£1,346 GBP

Retailer 6£1,395 GBP

Retailer 7£1,552 GBP

Retailer 12£1,708 GBP

Retailer 4£1,910 GBP

Retailer 18£1,936 GBP

Retailer 8£2,196 GBP

Retailer 22£2,258 GBP

Retailer 5£2,269 GBP

Retailer 16£2,873 GBP

Retailer 15£2,923 GBP

Retailer 17£3,123 GBP

Retailer 2£3,130 GBP

Retailer 1£3,457 GBP

Retailer 19£3,642 GBP

Retailer 13£3,744 GBP

Retailer 14£4,050 GBP

Taylor and Hart£4,257 GBP

38 data points across 23 retailers

25 retailers£1,043 GBP to £4,257 GBP

Cheapest Retailer

£1,043 GBP

$1,398 USD

Retailer 2

£1,135 GBP

$1,521 USD

View

Retailer 3

£1,168 GBP

$1,565 USD

View

Final sale: no returns

Retailer 4

£1,211 GBP

$1,622 USD

View

Price last confirmed 20 days ago

Retailer 5

£1,211 GBP

$1,622 USD

View

Retailer 6

£1,340 GBP

$1,795 USD

View

Retailer 7

£1,346 GBP

$1,804 USD

View

Retailer 8

£1,395 GBP

HK$14,600 HKD

View

Retailer 9

£1,552 GBP

$2,080 USD

View

Retailer 10

£1,708 GBP

View

Retailer 11

£1,910 GBP

$2,559 USD

View

Retailer 12

£1,936 GBP

€2,470 EUR

View

B+

Retailer 13

£2,196 GBP

$2,943 USD

View

Retailer 14

£2,258 GBP

$3,025 USD

View

Price last confirmed 25 days ago

B+

Retailer 15

£2,269 GBP

$3,040 USD

View

B+

Retailer 16

£2,873 GBP

A$5,923 AUD

View

B+

Retailer 17

£2,923 GBP

View

B+

Retailer 18

£3,123 GBP

ZAR 67,591 ZAR

View

B+

Retailer 19

£3,130 GBP

$4,194 USD

View

B+

Retailer 20

£3,261 GBP

$4,370 USD

View

B+

Retailer 21

£3,457 GBP

View

B+

Retailer 22

£3,642 GBP

$4,880 USD

View

Retailer 23

£3,744 GBP

$5,016 USD

View

Retailer 24

£4,050 GBP

SGD 7,333 SGD

View

Most Expensive

Taylor and Hart

ZC1GR5A · Oct 31

£4,257 GBP

$5,703 USD

View

24 more retailers have this diamond

Prices start from £1,043 GBPSave up to £3,213 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 2.09ct D IF marquise lab-grown

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

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