Oval|Lab Grown|IGI

4.75ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG645423289

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645423289

Diamond specifications and retailer prices

From $1,057 CAD
$755 USD
As of October 29, 2026
Save $2,795 CAD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,987 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.75ct lab-grown oval diamond

This 4.75ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645423289 or 645423289. Listed at 14 retailers as of October 29, 2026, with a 265% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.75
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645423289
Dimensions13.87 × 9.56 × 5.86 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.87 mm9.56 mm4.75 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645423289
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

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 29
Current: $10,987 CAD|Low: $740 CAD|High: $11,323 CAD|Avg: $2,606 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5$740 CAD
Retailer 14$770 CAD
Retailer 3$829 CAD
Retailer 6$906 CAD
Retailer 8$918 CAD
Retailer 10$1,057 CAD
Retailer 2$1,420 CAD
Retailer 15$1,421 CAD
Retailer 4$1,510 CAD
Retailer 13$1,565 CAD
Retailer 11$2,368 CAD
Retailer 16$2,413 CAD
Retailer 7$2,781 CAD
Retailer 9$3,852 CAD
Retailer 12$5,899 CAD
Brilliant Earth$10,987 CAD

37 data points across 16 retailers

14 retailers$1,057 CAD to $3,852 CAD

Retailer 1
-
$740 CAD
$529 USD
Price last confirmed 36 days ago
Retailer 2
-
$770 CAD
£433 GBP
View
Price last confirmed 13 days ago
Retailer 3
-
$829 CAD
$592 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$906 CAD
$647 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
$1,057 CAD
$755 USD
View
A
Retailer 6
-
$1,420 CAD
£799 GBP
View
B+
Retailer 7
-
$1,421 CAD
$1,015 USD
View
A
Retailer 8
-
$1,510 CAD
$1,079 USD
View
B+
Retailer 9
-
$2,368 CAD
$1,692 USD
View
Retailer 10
-
$2,413 CAD
$1,724 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$2,781 CAD
$1,987 USD
View
B
Retailer 12
-
$3,852 CAD
£2,167 GBP
View
Retailer 13
-
$5,899 CAD
$4,215 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
11351599A · Oct 29
$10,987 CAD
$7,850 USD
View
Price under review
13 more retailers have this diamond
Prices start from $1,057 CADSave up to $2,795 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
4.75ct Oval
$1,057 CAD