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Marquise|Lab Grown|IGI

1.77ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG523270722

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG523270722

Diamond specifications and retailer prices

From €3,852 EUR
$4,320 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: €3,852 EUR 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 1.77ct lab-grown marquise diamond

This 1.77ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG523270722 or 523270722. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523270722
Dimensions13.08 × 6.11 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
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
13.08 mm6.11 mm1.77 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523270722
Side View
Table 58.5%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: €3,852 EUR|Low: €1,561 EUR|High: €8,586 EUR|Avg: €3,791 EUR|-7.9%
Brilliant Earth
Retailer 2
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June 18, 2026
Retailer 14€1,561 EUR
Retailer 13€1,672 EUR
Retailer 3€2,009 EUR
Retailer 2€2,380 EUR
Retailer 10€2,462 EUR
Retailer 11€2,626 EUR
Retailer 12€3,211 EUR
Retailer 8€3,784 EUR
Brilliant Earth€3,852 EUR
Retailer 9€3,859 EUR
Retailer 6€3,952 EUR
Retailer 16€4,173 EUR
Retailer 7€4,550 EUR
Retailer 15€5,639 EUR
Retailer 4€6,996 EUR
Retailer 5€8,586 EUR

41 data points across 16 retailers

1 retailer

B
Brilliant Earth
6784757Y · Nov 2
€3,852 EUR
$4,320 USD
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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.

B
1.77ct Marquise
€3,852 EUR