Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815611581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611581

Diamond specifications and retailer prices

From $892 CAD
$637 USD
As of October 29, 2026
Save $3,486 CAD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,034 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 LG815611581 or 815611581. Listed at 20 retailers as of October 29, 2026, with a 391% 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 angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611581
Dimensions9.43 × 9.39 × 5.70 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
9.43 mm9.39 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611581
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°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: Oct 29
Current: $8,034 CAD|Low: $855 CAD|High: $8,153 CAD|Avg: $2,306 CAD|-1.5%
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 3$892 CAD
Retailer 6$970 CAD
Retailer 9$998 CAD
Retailer 4$1,034 CAD
Retailer 18$1,034 CAD
Retailer 2$1,264 CAD
Retailer 10$1,464 CAD
Retailer 17$1,514 CAD
Retailer 14$1,519 CAD
Retailer 11$1,645 CAD
Retailer 15$2,348 CAD
Retailer 13$2,400 CAD
Retailer 16$2,640 CAD
Retailer 5$2,906 CAD
Retailer 8$3,527 CAD
Retailer 7$3,621 CAD
Retailer 12$4,378 CAD
Rare Carat$8,034 CAD

43 data points across 18 retailers

20 retailers$892 CAD to $4,378 CAD

A
Cheapest Retailer
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$892 CAD
$637 USD
A
Retailer 2
-
$970 CAD
$693 USD
View
A
Retailer 3
-
$998 CAD
$713 USD
View
Final sale: no returns
Retailer 4
-
$1,034 CAD
$739 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,034 CAD
$739 USD
View
A
Retailer 6
-
$1,264 CAD
£711 GBP
View
A
Retailer 7
-
$1,464 CAD
$1,046 USD
View
A
Retailer 8
-
$1,514 CAD
$1,082 USD
View
A
Retailer 9
-
$1,519 CAD
$1,085 USD
View
A
Retailer 10
-
$1,645 CAD
£926 GBP
View
Retailer 11
-
$2,348 CAD
A$2,581 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$2,400 CAD
ZAR 27,701 ZAR
View
A
Retailer 13
-
$2,640 CAD
$1,886 USD
View
A
Retailer 14
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$2,906 CAD
$2,076 USD
View
A
Retailer 15
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$2,967 CAD
$2,120 USD
View
A
Retailer 16
-
$3,527 CAD
$2,520 USD
View
A
Retailer 17
-
$3,567 CAD
$2,549 USD
View
A
Retailer 18
-
$3,621 CAD
$2,587 USD
View
B+
Retailer 19
-
$4,378 CAD
£2,463 GBP
View
Most Expensive
Rare Carat
VK 4974_l_815611581 · Oct 21
$8,034 CAD
$5,740 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $892 CADSave up to $3,486 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
$892 CAD