Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG838621563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838621563

Diamond specifications and retailer prices

From £252 GBP

$338 USD

As of October 30, 2026

Save £1,920 GBP (88%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £2,172 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.73ct lab-grown marquise diamond

This 1.73ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838621563 or 838621563. Listed at 19 retailers as of October 30, 2026, with prices from £252 to £2,172, a £1,920 spread on the same certified stone. Brilliant Earth lists it at £2,172. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.1°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG838621563

Dimensions12.09 × 6.15 × 3.87 mm

L/W Ratio1.97

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG838621563

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: £2,172 GBP|Low: £252 GBP|High: £2,284 GBP|Avg: £790 GBP|-4.9%

Brilliant Earth

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

October 30, 2026

Retailer 4£252 GBP

Retailer 11£295 GBP

Retailer 5£396 GBP

Retailer 3£437 GBP

Retailer 10£456 GBP

Retailer 16£481 GBP

Retailer 12£493 GBP

Retailer 7£599 GBP

Retailer 15£652 GBP

Retailer 8£863 GBP

Retailer 17£881 GBP

Retailer 14£931 GBP

Retailer 6£1,127 GBP

Retailer 2£1,131 GBP

Retailer 9£1,310 GBP

Retailer 13£1,328 GBP

Brilliant Earth£2,172 GBP

20 data points across 17 retailers

19 retailers£252 GBP to £2,172 GBP

Cheapest Retailer

£252 GBP

$338 USD

Final sale: no returns

Retailer 2

£295 GBP

View

Retailer 3

£396 GBP

$530 USD

View

Retailer 4

£437 GBP

€558 EUR

View

Retailer 5

£456 GBP

$611 USD

View

Retailer 6

£481 GBP

ZAR 10,403 ZAR

View

Retailer 7

£493 GBP

View

Retailer 8

£599 GBP

$803 USD

View

B+

Retailer 9

£652 GBP

A$1,344 AUD

View

B+

Retailer 10

£863 GBP

$1,156 USD

View

B+

Retailer 11

£881 GBP

$1,180 USD

View

B+

Retailer 12

£931 GBP

$1,247 USD

View

Retailer 13

£1,103 GBP

$1,478 USD

View

B+

Retailer 14

£1,127 GBP

View

Retailer 15

£1,131 GBP

A$2,332 AUD

View

Retailer 16

£1,310 GBP

$1,755 USD

View

Retailer 17

£1,328 GBP

SGD 2,405 SGD

View

Retailer 18

£1,731 GBP

$2,319 USD

View

Price last confirmed 17 days ago

Most Expensive

Brilliant Earth

21660300A · Oct 30

£2,172 GBP

$2,910 USD

View

18 more retailers have this diamond

Prices start from £252 GBPSave up to £1,920 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.

Similar diamonds

1.73ct Marquise

£252 GBP