Oval|Lab Grown|IGI

1.80ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG494161703

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG494161703

Diamond specifications and retailer prices

From $1,858 CAD
$1,330 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,858 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 1.8ct lab-grown oval diamond

This 1.8ct 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 LG494161703 or 494161703. Listed at a single retailer as of October 29, 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

1.80
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494161703
Dimensions9.49 × 6.94 × 4.32 mm
L/W Ratio1.37
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
9.49 mm6.94 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494161703
Side View
Table 61.5%Crown 33.7°Girdle: THN-THKPavilion 41.9°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,858 CAD|Low: $1,858 CAD|High: $9,277 CAD|Avg: $4,684 CAD|-52.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 15, 2026
Brilliant Earth$1,858 CAD
Retailer 4$2,215 CAD
Retailer 9$3,417 CAD
Retailer 6$3,450 CAD
Retailer 7$4,110 CAD
Retailer 2$4,412 CAD
Retailer 3$4,997 CAD
Retailer 5$5,407 CAD
Retailer 8$9,204 CAD

82 data points across 9 retailers

1 retailer

B
Brilliant Earth
19773127A · Oct 29
$1,858 CAD
$1,330 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
1.80ct Oval
$1,858 CAD