Marquise|Lab Grown|IGI

1.45ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG651465757

Certificate IGI LG651465757

Diamond specifications and retailer prices

This diamond has been sold
Last seen: Aug 27, 2026 at $1,290 USD
$1,290 USDlast known price

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG651465757 or 651465757. 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

1.45
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG651465757
Top View
LengthWidth1.45 ctE / SI1
OriginLab Grown
CutIdeal
FluorescenceNone
CertificateIGI LG651465757
Side View
TableCrownGirdlePavilionCulet: NoneDepth

Caratlytics Score

Price History

Last verified: Aug 27
Current: $1,290 USD|Low: $1,290 USD|High: $1,290 USD|Avg: $1,290 USD

4 data points across 1 retailer

Historical Listings

Brilliant Earth
15137373A · Aug 27
$1,290 USD
View

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1.45ct E SI1 Marquise Lab-Grown Diamond (Sold), IGI LG651465757