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Marquise|Lab Grown|IGI

1.08ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG851663301

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851663301

Diamond specifications and retailer prices

From $489 CAD
£276 GBP
As of October 31, 2026
Save $405 CAD (45%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $894 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.08ct lab-grown marquise diamond

This 1.08ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851663301 or 851663301. Listed at 2 retailers as of October 30, 2026, with prices from $489 to $894, a $405 spread on the same certified stone. Brilliant Earth lists it at $894. 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

1.08
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851663301
Dimensions10.87 × 5.19 × 3.33 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.87 mm5.19 mm1.08 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851663301
Side View
Table 62.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $489 CAD|Low: $486 CAD|High: $489 CAD|Avg: $488 CAD|+0.6%
October 31, 2026
Retailer 1$489 CAD

4 data points across 1 retailer

2 retailers$489 CAD to $894 CAD

A
Cheapest Retailer
-
$489 CAD
£276 GBP
Most Expensive
B
Brilliant Earth
22330071A · Oct 30
$894 CAD
$640 USD
View
1 more retailer has this diamond
Prices start from $489 CADSave up to $405 CAD

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.

A
1.08ct Marquise
$489 CAD