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Marquise|Lab Grown|IGI

0.58ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG675509648

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG675509648

Diamond specifications and retailer prices

From £463 GBP
$620 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: £463 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 0.58ct lab-grown marquise diamond

This 0.58ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG675509648 or 675509648. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.58
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675509648
Dimensions9.28 × 4.22 × 2.61 mm
L/W Ratio2.20
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
Top View
9.28 mm4.22 mm0.58 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675509648
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £219 GBP|Low: £111 GBP|High: £671 GBP|Avg: £332 GBP|+0.4%
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April 2, 2026
Retailer 11£114 GBP
Retailer 12£134 GBP
Retailer 3£201 GBP
Retailer 1£219 GBP
Retailer 2£237 GBP
Retailer 7£280 GBP
Retailer 4£305 GBP
Retailer 10£312 GBP
Retailer 6£333 GBP
Retailer 14£340 GBP
Retailer 9£346 GBP
Retailer 15£426 GBP
Retailer 5£508 GBP
Retailer 8£532 GBP
Retailer 13£626 GBP

37 data points across 15 retailers

1 retailer

B+
Brilliant Earth
14267735A · Oct 28
£463 GBP
$620 USD
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B+
0.58ct Marquise
£463 GBP