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Oval|Lab Grown|IGI

1.28ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG801613455

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG801613455

Diamond specifications and retailer prices

From $1,041 CAD
$740 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $1,041 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 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval 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 LG801613455 or 801613455. Listed at a single retailer as of November 6, 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

1.28
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801613455
Dimensions8.92 × 6.12 × 3.83 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.92 mm6.12 mm1.28 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801613455
Side View
Table 59.0%Crown 35°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $489 CAD|Low: $489 CAD|High: $857 CAD|Avg: $715 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
June 14, 2026
Retailer 1$489 CAD
Retailer 2$637 CAD
Retailer 3$819 CAD
Retailer 4$857 CAD

9 data points across 4 retailers

1 retailer

B
Brilliant Earth
19907666A · Nov 6
$1,041 CAD
$740 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
1.28ct Oval
$1,041 CAD