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Marquise|Lab Grown|IGI

0.71ct E SI2 Marquise Lab Grown Diamond

ID • E/SI2 • IGI LG577307578

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG577307578

Diamond specifications and retailer prices

From $380 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $380 USD at Do Amore Diamonds
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 Do Amore Diamonds

About this 0.71ct lab-grown marquise diamond

This 0.71ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577307578 or 577307578. 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. 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

0.71
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577307578
Dimensions9.21 × 4.57 × 2.82 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.21 mm4.57 mm0.71 ctE / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577307578
Side View
Table 58.0%Crown 34.3°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $380 USD|Low: $380 USD|High: $380 USD|Avg: $380 USD
February 20, 2026
Do Amore Diamonds$380 USD

1 data point across 1 retailer

1 retailer

B+
Do Amore Diamonds
20-M103890 · Oct 28
$380 USD
View

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+
0.71ct Marquise
$380 USD