Marquise|Lab Grown|IGI

0.57ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436045402

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045402

Diamond specifications and retailer prices

From £252 GBP

$338 USD

As of November 2, 2026

Save £999 GBP (80%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £1,251 GBP at MOH London · As of November 1, 2026

View at MOH London

About this 0.57ct lab-grown marquise diamond

This 0.57ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045402 or 436045402. Listed at 12 retailers as of November 1, 2026, with prices from £252 to £1,251, a £999 spread on the same certified stone. MOH London lists it at £1,251. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.57

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle36.4°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG436045402

Dimensions8.38 × 4.36 × 2.68 mm

L/W Ratio1.92

Girdle conditionFaceted

Culet sizePointed

Cert comments

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View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateIGI LG436045402

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: Nov 2

Current: £1,251 GBP|Low: £241 GBP|High: £1,266 GBP|Avg: £612 GBP

MOH London

Retailer 2

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Retailer 8

Retailer 9

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Retailer 11

Retailer 12

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Retailer 16

November 1, 2026

Retailer 11£252 GBP

Retailer 2£276 GBP

Retailer 3£282 GBP

Retailer 8£284 GBP

Retailer 15£292 GBP

Retailer 12£312 GBP

Retailer 16£312 GBP

Retailer 5£425 GBP

Retailer 14£503 GBP

Retailer 9£563 GBP

Retailer 6£595 GBP

Retailer 10£915 GBP

Retailer 13£1,003 GBP

Retailer 4£1,138 GBP

MOH London£1,251 GBP

Retailer 7£1,254 GBP

22 data points across 16 retailers

12 retailers£252 GBP to £1,251 GBP

Cheapest Retailer

£252 GBP

$338 USD

Retailer 2

£276 GBP

$370 USD

View

B+

Retailer 3

£282 GBP

$378 USD

View

Final sale: no returns

B+

Retailer 4

£292 GBP

$392 USD

View

Retailer 5

£312 GBP

$419 USD

View

Price last confirmed 8 days ago

B+

Retailer 6

£312 GBP

$419 USD

View

Retailer 7

£503 GBP

$675 USD

View

Retailer 8

£563 GBP

€720 EUR

View

Price last confirmed 8 days ago

Retailer 9

£915 GBP

$1,228 USD

View

Retailer 10

£1,003 GBP

$1,346 USD

View

Retailer 11

£1,138 GBP

$1,527 USD

View

Most Expensive

MOH London

LG436045402 · Nov 1

£1,251 GBP

View

11 more retailers have this diamond

Prices start from £252 GBPSave up to £999 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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0.57ct Marquise

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