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Oval|Lab Grown|IGI

1.83ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG514270728

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG514270728

Diamond specifications and retailer prices

From $369 CAD
$263 USD
As of October 28, 2026
Save $1,962 CAD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,332 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.83ct lab-grown oval diamond

This 1.83ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514270728 or 514270728. Listed at 18 retailers as of October 28, 2026, with prices from $369 to $2,332, a $1,962 spread on the same certified stone. Brilliant Earth lists it at $2,332. 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

1.83
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514270728
Dimensions9.77 × 6.91 × 4.33 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
9.77 mm6.91 mm1.83 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514270728
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,332 CAD|Low: $414 CAD|High: $2,402 CAD|Avg: $1,140 CAD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$414 CAD
Retailer 4$681 CAD
Retailer 5$755 CAD
Retailer 7$764 CAD
Retailer 9$846 CAD
Retailer 3$873 CAD
Retailer 6$1,409 CAD
Retailer 10$1,478 CAD
Retailer 2$1,846 CAD
Brilliant Earth$2,332 CAD

42 data points across 10 retailers

18 retailers$369 CAD to $2,332 CAD

A
Cheapest Retailer
-
$369 CAD
$263 USD
A
Retailer 2
-
$414 CAD
$295 USD
View
Final sale: no returns
A
Retailer 3
-
$428 CAD
$305 USD
View
A
Retailer 4
-
$458 CAD
$326 USD
View
A
Retailer 5
-
$458 CAD
$326 USD
View
A
Retailer 6
-
$503 CAD
HK$2,800 HKD
View
A
Retailer 7
-
$681 CAD
$485 USD
View
A
Retailer 8
-
$755 CAD
€512 EUR
View
B+
Retailer 9
-
$764 CAD
$544 USD
View
B+
Retailer 10
-
$846 CAD
$602 USD
View
A
Retailer 11
-
$873 CAD
£490 GBP
View
B+
Retailer 12
-
$913 CAD
$650 USD
View
B
Retailer 13
-
$1,409 CAD
$1,003 USD
View
B
Retailer 14
-
$1,474 CAD
$1,049 USD
View
B
Retailer 15
-
$1,478 CAD
SGD 1,422 SGD
View
B
Retailer 16
-
$1,530 CAD
$1,089 USD
View
Price last confirmed 72 days ago
B
Retailer 17
-
$1,846 CAD
£1,035 GBP
View
Most Expensive
B
Brilliant Earth
19055812A · Oct 28
$2,332 CAD
$1,660 USD
View
17 more retailers have this diamond
Prices start from $369 CADSave up to $1,962 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
1.83ct Oval
$369 CAD