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Round|Lab Grown|IGI

3.09ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG669421282

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669421282

Diamond specifications and retailer prices

From $1,078 CAD
$770 USD
As of October 29, 2026
Save $10,623 CAD (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,701 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG669421282 or 669421282. Listed at 21 retailers as of October 29, 2026, with prices from $1,078 to $11,701, a $10,623 spread on the same certified stone. Brilliant Earth lists it at $11,701. 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
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421282
Dimensions9.26 × 9.31 × 5.82 mm
L/W Ratio1.01
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 Faint Blue
Top View
9.26 mm9.31 mm3.09 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421282
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.9°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: $11,701 CAD|Low: $1,034 CAD|High: $11,729 CAD|Avg: $3,039 CAD|-0.2%
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
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 19$1,078 CAD
Retailer 10$1,171 CAD
Retailer 20$1,206 CAD
Retailer 3$1,250 CAD
Retailer 11$1,451 CAD
Retailer 16$1,498 CAD
Retailer 5$1,668 CAD
Retailer 7$1,789 CAD
Retailer 2$1,908 CAD
Retailer 15$2,197 CAD
Retailer 18$2,707 CAD
Retailer 17$2,819 CAD
Retailer 14$2,901 CAD
Retailer 4$3,380 CAD
Retailer 6$3,513 CAD
Retailer 12$4,200 CAD
Retailer 8$4,224 CAD
Retailer 9$4,315 CAD
Retailer 13$4,709 CAD
Brilliant Earth$11,701 CAD

42 data points across 20 retailers

21 retailers$1,078 CAD to $11,701 CAD

A
Cheapest Retailer
-
$1,078 CAD
$770 USD
A
Retailer 2
-
$1,171 CAD
$837 USD
View
A
Retailer 3
-
$1,206 CAD
$862 USD
View
Final sale: no returns
Retailer 4
-
$1,250 CAD
$893 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,250 CAD
$893 USD
View
A
Retailer 6
-
$1,451 CAD
HK$8,100 HKD
View
A
Retailer 7
-
$1,498 CAD
$1,070 USD
View
A
Retailer 8
-
$1,668 CAD
$1,192 USD
View
A
Retailer 9
-
$1,789 CAD
$1,278 USD
View
A
Retailer 10
-
$1,908 CAD
£1,073 GBP
View
A
Retailer 11
-
$2,197 CAD
€1,495 EUR
View
A
Retailer 12
-
$2,707 CAD
$1,934 USD
View
Retailer 13
-
$2,819 CAD
A$3,099 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$2,901 CAD
ZAR 33,485 ZAR
View
B+
Retailer 15
-
$3,380 CAD
$2,415 USD
View
B+
Retailer 16
-
$3,513 CAD
$2,510 USD
View
B+
Retailer 17
-
$4,200 CAD
SGD 4,055 SGD
View
B+
Retailer 18
-
$4,224 CAD
$3,018 USD
View
B+
Retailer 19
-
$4,315 CAD
$3,083 USD
View
B+
Retailer 20
-
$4,709 CAD
£2,649 GBP
View
Most Expensive
B
Brilliant Earth
15028441A · Oct 29
$11,701 CAD
$8,360 USD
View
20 more retailers have this diamond
Prices start from $1,078 CADSave up to $10,623 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
$1,078 CAD