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Round|Lab Grown|GIA

3.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2486885853

Certificate GIA 2486885853

Diamond specifications and retailer prices

From $1,260 CAD
As of November 4, 2026
Save $4,620 CAD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,880 CAD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round 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 GIA 2486885853. Listed at 13 retailers as of November 4, 2026, with prices from $1,260 to $5,880, a $4,620 spread on the same certified stone. Brilliant Earth lists it at $5,880. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabGIA
CertificateGIA 2486885853
Dimensions9.41 × 9.45 × 5.72 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
9.41 mm9.45 mm3.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2486885853
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: Nov 4
Current: $5,880 CAD|Low: $1,260 CAD|High: $5,880 CAD|Avg: $2,883 CAD|+1.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$1,260 CAD
Retailer 12$1,377 CAD
Retailer 11$1,550 CAD
Retailer 9$1,742 CAD
Retailer 8$1,769 CAD
Retailer 2$2,105 CAD
Retailer 7$2,188 CAD
Retailer 6$2,848 CAD
Retailer 3$3,825 CAD
Retailer 4$5,141 CAD
Retailer 5$5,389 CAD
Brilliant Earth$5,880 CAD

44 data points across 12 retailers

13 retailers$1,260 CAD to $5,880 CAD

A
Cheapest Retailer
-
$1,260 CAD
Final sale: no returns
A
Retailer 2
-
$1,377 CAD
View
B+
Retailer 3
-
$1,550 CAD
View
B+
Retailer 4
-
$1,742 CAD
View
B+
Retailer 5
-
$1,769 CAD
View
B+
Retailer 6
-
$2,105 CAD
View
B+
Retailer 7
-
$2,188 CAD
View
B
Retailer 8
-
$2,848 CAD
View
B
Retailer 9
-
$3,825 CAD
View
B
Retailer 10
-
$4,053 CAD
View
B
Retailer 11
-
$5,141 CAD
View
B
Retailer 12
-
$5,389 CAD
View
Most Expensive
B
Brilliant Earth
9754017A · Nov 5
$5,880 CAD
$4,210 USD
View
12 more retailers have this diamond
Prices start from $1,260 CADSave up to $4,620 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 Round
$1,260 CAD