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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 $620 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $620 USD 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
Color
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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Price History

Last verified: Oct 28
Current: $294 USD|Low: $149 USD|High: $899 USD|Avg: $444 USD|+0.4%
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April 2, 2026
Retailer 11$153 USD
Retailer 12$179 USD
Retailer 3$269 USD
Retailer 1$294 USD
Retailer 2$318 USD
Retailer 7$375 USD
Retailer 4$408 USD
Retailer 10$418 USD
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Retailer 9$464 USD
Retailer 15$571 USD
Retailer 5$681 USD
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Retailer 13$838 USD

37 data points across 15 retailers

1 retailer

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