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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815611626

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611626

Diamond specifications and retailer prices

From $890 CAD
$637 USD
As of October 29, 2026
Save $3,462 CAD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,018 CAD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815611626 or 815611626. Listed at 18 retailers as of October 26, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611626
Dimensions9.39 × 9.43 × 5.72 mm
L/W Ratio1.00
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
9.39 mm9.43 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611626
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.8%

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: $8,018 CAD|Low: $890 CAD|High: $8,018 CAD|Avg: $2,595 CAD
Rare Carat
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 18$890 CAD
Retailer 15$968 CAD
Retailer 6$996 CAD
Retailer 17$1,032 CAD
Retailer 9$1,461 CAD
Retailer 7$1,511 CAD
Retailer 13$1,516 CAD
Retailer 11$1,642 CAD
Retailer 2$2,330 CAD
Retailer 12$2,395 CAD
Retailer 16$2,635 CAD
Retailer 3$2,900 CAD
Retailer 8$2,961 CAD
Retailer 4$3,520 CAD
Retailer 10$3,560 CAD
Retailer 5$3,614 CAD
Retailer 14$4,352 CAD
Rare Carat$8,018 CAD

19 data points across 18 retailers

18 retailers$890 CAD to $4,352 CAD

A
Cheapest Retailer
-
$890 CAD
$637 USD
A
Retailer 2
-
$968 CAD
$693 USD
View
A
Retailer 3
-
$996 CAD
$713 USD
View
Final sale: no returns
A
Retailer 4
-
$1,032 CAD
$739 USD
View
A
Retailer 5
-
$1,461 CAD
$1,046 USD
View
A
Retailer 6
-
$1,511 CAD
$1,082 USD
View
A
Retailer 7
-
$1,516 CAD
$1,085 USD
View
A
Retailer 8
-
$1,642 CAD
£926 GBP
View
A
Retailer 9
-
$2,330 CAD
A$2,566 AUD
View
A
Retailer 10
-
$2,395 CAD
ZAR 27,701 ZAR
View
A
Retailer 11
-
$2,635 CAD
$1,886 USD
View
A
Retailer 12
-
$2,900 CAD
$2,076 USD
View
A
Retailer 13
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$2,961 CAD
$2,120 USD
View
A
Retailer 14
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$3,520 CAD
$2,520 USD
View
A
Retailer 15
-
$3,560 CAD
$2,549 USD
View
A
Retailer 16
-
$3,614 CAD
$2,587 USD
View
B+
Retailer 17
-
$4,352 CAD
£2,453 GBP
View
Most Expensive
Rare Carat
KK461_l_815611626 · Oct 21
$8,018 CAD
$5,740 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $890 CADSave up to $3,462 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
$890 CAD