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Round|Lab Grown|IGI

3.09ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG839676250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839676250

Diamond specifications and retailer prices

From $1,454 CAD
$1,039 USD
As of October 29, 2026
Save $19,078 CAD (93%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,532 CAD at Brilliant Earth · As of October 29, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839676250 or 839676250. Listed at 14 retailers as of October 29, 2026, with prices from $1,454 to $20,532, a $19,078 spread on the same certified stone. Brilliant Earth lists it at $20,532. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839676250
Dimensions9.34 × 9.29 × 5.75 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.34 mm9.29 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839676250
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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A+
Exceptional
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: $20,532 CAD|Low: $1,454 CAD|High: $20,532 CAD|Avg: $4,476 CAD
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
October 29, 2026
Retailer 12$1,454 CAD
Retailer 11$1,738 CAD
Retailer 10$1,803 CAD
Retailer 13$2,155 CAD
Retailer 3$2,183 CAD
Retailer 2$2,306 CAD
Retailer 9$2,365 CAD
Retailer 4$3,369 CAD
Retailer 5$3,485 CAD
Retailer 7$3,499 CAD
Retailer 6$4,591 CAD
Retailer 14$5,055 CAD
Retailer 8$5,137 CAD
Brilliant Earth$20,532 CAD

18 data points across 14 retailers

14 retailers$1,454 CAD to $20,532 CAD

A+
Cheapest Retailer
-
$1,454 CAD
$1,039 USD
Final sale: no returns
A
Retailer 2
-
$1,738 CAD
HK$9,700 HKD
View
A
Retailer 3
-
$1,803 CAD
£1,015 GBP
View
A
Retailer 4
-
$2,155 CAD
$1,540 USD
View
A
Retailer 5
-
$2,183 CAD
$1,560 USD
View
A
Retailer 6
-
$2,306 CAD
£1,297 GBP
View
A
Retailer 7
-
$2,365 CAD
€1,609 EUR
View
A
Retailer 8
-
$3,369 CAD
$2,407 USD
View
A
Retailer 9
-
$3,485 CAD
A$3,831 AUD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$3,499 CAD
ZAR 40,385 ZAR
View
B+
Retailer 11
-
$4,591 CAD
$3,280 USD
View
B+
Retailer 12
-
$5,055 CAD
SGD 4,881 SGD
View
B+
Retailer 13
-
$5,137 CAD
£2,890 GBP
View
Most Expensive
B
Brilliant Earth
21813004A · Oct 29
$20,532 CAD
$14,670 USD
View
13 more retailers have this diamond
Prices start from $1,454 CADSave up to $19,078 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
$1,454 CAD