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Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG746503745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG746503745

Diamond specifications and retailer prices

From $655 CAD
$468 USD
As of October 29, 2026
Save $4,300 CAD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,955 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG746503745 or 746503745. Listed at 19 retailers as of October 29, 2026, with prices from $655 to $4,955, a $4,300 spread on the same certified stone. Brilliant Earth lists it at $4,955. 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

3.09
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746503745
Dimensions11.71 × 8.18 × 5.13 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm8.18 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746503745
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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: $4,955 CAD|Low: $612 CAD|High: $4,955 CAD|Avg: $1,650 CAD|+4.1%
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
Retailer 17
October 30, 2026
Retailer 14$655 CAD
Retailer 8$712 CAD
Retailer 6$789 CAD
Retailer 15$929 CAD
Retailer 3$987 CAD
Retailer 2$1,111 CAD
Retailer 4$1,221 CAD
Retailer 10$1,268 CAD
Retailer 9$1,314 CAD
Retailer 12$1,347 CAD
Retailer 17$1,745 CAD
Retailer 5$1,861 CAD
Retailer 7$2,537 CAD
Retailer 13$2,653 CAD
Retailer 11$2,867 CAD
Retailer 16$2,915 CAD
Brilliant Earth$4,955 CAD

39 data points across 17 retailers

19 retailers$655 CAD to $4,955 CAD

A
Cheapest Retailer
-
$655 CAD
$468 USD
A
Retailer 2
-
$712 CAD
$509 USD
View
A
Retailer 3
-
$789 CAD
$564 USD
View
Retailer 4
-
$789 CAD
$564 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$929 CAD
$664 USD
View
Final sale: no returns
A
Retailer 6
-
$987 CAD
$705 USD
View
A
Retailer 7
-
$1,111 CAD
£625 GBP
View
A
Retailer 8
-
$1,221 CAD
€831 EUR
View
B+
Retailer 9
-
$1,268 CAD
$906 USD
View
A
Retailer 10
-
$1,314 CAD
$939 USD
View
A
Retailer 11
-
$1,347 CAD
£758 GBP
View
B+
Retailer 12
-
$1,745 CAD
A$1,918 AUD
View
B+
Retailer 13
-
$1,861 CAD
$1,330 USD
View
B
Retailer 14
-
$2,225 CAD
$1,590 USD
View
B
Retailer 15
-
$2,537 CAD
$1,813 USD
View
B
Retailer 16
-
$2,653 CAD
$1,895 USD
View
B
Retailer 17
-
$2,867 CAD
$2,049 USD
View
B
Retailer 18
-
$2,915 CAD
£1,640 GBP
View
Most Expensive
B
Brilliant Earth
16605189A · Oct 30
$4,955 CAD
$3,540 USD
View
18 more retailers have this diamond
Prices start from $655 CADSave up to $4,300 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
3.09ct Oval
$655 CAD