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Oval|Lab Grown|IGI

1.51ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG522228807

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG522228807

Diamond specifications and retailer prices

From $1,702 CAD
$1,210 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $1,702 CAD 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 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522228807 or 522228807. Listed at a single retailer as of November 4, 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

1.51
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522228807
Dimensions8.89 × 6.45 × 4.21 mm
L/W Ratio1.38
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
8.89 mm6.45 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG522228807
Side View
Table 61.5%Crown 39.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 65.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $1,702 CAD|Low: $1,340 CAD|High: $1,702 CAD|Avg: $1,541 CAD
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$1,340 CAD
Brilliant Earth$1,702 CAD

5 data points across 2 retailers

1 retailer

B
Brilliant Earth
14171236A · Nov 4
$1,702 CAD
$1,210 USD
View

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B
1.51ct Oval
$1,702 CAD