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Oval|Lab Grown|IGI

1.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG455035813

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG455035813

Diamond specifications and retailer prices

From $1,280 CAD
As of November 6, 2026
9 retailers carry this diamond
Most expensive: $3,106 CAD at NZ Jewellers · As of October 18, 2026
View at NZ Jewellers

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval 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 LG455035813 or 455035813. Listed at 9 retailers as of November 6, 2026. 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

1.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455035813
Dimensions7.42 × 5.62 × 3.63 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Top View
7.42 mm5.62 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455035813
Side View
Table 58.0%Crown 37.4°Girdle: ThickPavilion 40.3°Culet: NoneDepth 64.6%

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: $1,280 CAD|Low: $696 CAD|High: $4,715 CAD|Avg: $1,642 CAD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 21, 2026
Retailer 3$696 CAD
Retailer 7$952 CAD
Retailer 11$1,065 CAD
Retailer 2$1,104 CAD
Retailer 9$1,104 CAD
Retailer 1$1,280 CAD
Retailer 8$1,280 CAD
Retailer 4$1,764 CAD
Retailer 10$1,799 CAD
Retailer 6$2,822 CAD
Retailer 5$4,678 CAD

29 data points across 11 retailers

9 retailers

Retailer 1
-
$952 CAD
Price last confirmed 19 days ago
Retailer 2
-
$1,037 CAD
View
Price last confirmed 24 days ago
Retailer 3
-
$1,104 CAD
View
Price last confirmed 21 days ago
Retailer 4
-
$1,104 CAD
View
Price last confirmed 18 days ago
B
Retailer 5
-
$1,280 CAD
View
Retailer 6
-
$1,764 CAD
View
Price last confirmed 17 days ago
Retailer 7
-
$1,799 CAD
View
Price last confirmed 19 days ago
Most Expensive
NZ Jewellers
96829a4d-9ad9-4fea-90df-8858535ec713 · Oct 18
$3,106 CAD
$2,208 USD
View
Price under review
7 more retailers have this diamond
Prices start from $1,280 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.

B
1.00ct Oval
$1,280 CAD