Marquise|Lab Grown|IGI

2.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG823635206

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823635206

Diamond specifications and retailer prices

From £928 GBP

$1,245 USD

As of October 30, 2026

Save £4,699 GBP (84%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £5,626 GBP at Novita Diamonds · As of October 31, 2026

View at Novita Diamonds

About this 2.05ct lab-grown marquise diamond

This 2.05ct 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 LG823635206 or 823635206. Listed at 26 retailers as of October 30, 2026, with prices from £928 to £5,626, a £4,699 spread on the same certified stone. Novita Diamonds lists it at £5,626. 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

2.05

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG823635206

Dimensions12.89 × 6.77 × 4.20 mm

L/W Ratio1.90

Girdle conditionFaceted

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 LG823635206

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: £5,626 GBP|Low: £928 GBP|High: £5,706 GBP|Avg: £2,479 GBP|-1.4%

Novita 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

November 2, 2026

Retailer 6£928 GBP

Retailer 3£1,010 GBP

Retailer 11£1,185 GBP

Retailer 14£1,203 GBP

Retailer 15£1,250 GBP

Retailer 2£1,516 GBP

Retailer 4£1,565 GBP

Retailer 16£1,716 GBP

Retailer 10£2,018 GBP

Retailer 12£2,556 GBP

Retailer 5£2,601 GBP

Retailer 13£2,777 GBP

Retailer 17£2,957 GBP

Retailer 18£3,477 GBP

Retailer 8£3,562 GBP

Retailer 9£3,606 GBP

Retailer 7£3,906 GBP

Novita Diamonds£5,626 GBP

30 data points across 18 retailers

26 retailers£928 GBP to £5,626 GBP

Cheapest Retailer

£928 GBP

$1,245 USD

Retailer 2

£1,010 GBP

$1,355 USD

View

Retailer 3

£1,039 GBP

$1,394 USD

View

Final sale: no returns

Retailer 4

£1,077 GBP

$1,445 USD

View

Retailer 5

£1,077 GBP

$1,445 USD

View

Price last confirmed 20 days ago

Retailer 6

£1,185 GBP

View

Retailer 7

£1,203 GBP

$1,615 USD

View

Retailer 8

£1,250 GBP

HK$13,100 HKD

View

Retailer 9

£1,467 GBP

$1,969 USD

View

Retailer 10

£1,516 GBP

View

Retailer 11

£1,565 GBP

$2,100 USD

View

Retailer 12

£1,716 GBP

€2,193 EUR

View

Price last confirmed 8 days ago

B+

Retailer 13

£2,018 GBP

$2,708 USD

View

B+

Retailer 14

£2,062 GBP

$2,767 USD

View

B+

Retailer 15

£2,556 GBP

A$5,276 AUD

View

B+

Retailer 16

£2,601 GBP

View

B+

Retailer 17

£2,777 GBP

ZAR 60,212 ZAR

View

B+

Retailer 18

£2,957 GBP

$3,968 USD

View

B+

Retailer 19

£3,028 GBP

View

Retailer 20

£3,375 GBP

$4,529 USD

View

B+

Retailer 21

£3,477 GBP

View

Retailer 22

£3,562 GBP

$4,780 USD

View

Retailer 23

£3,606 GBP

SGD 6,539 SGD

View

Retailer 24

£3,776 GBP

$5,067 USD

View

Retailer 25

£3,906 GBP

$5,241 USD

View

Most Expensive

Novita Diamonds

cert_823635206 · Oct 31

£5,626 GBP

A$11,616 AUD

View

25 more retailers have this diamond

Prices start from £928 GBPSave up to £4,699 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 2.05ct D IF marquise lab-grown

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

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