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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815677230

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815677230

Diamond specifications and retailer prices

From $1,062 CAD
$759 USD
As of October 29, 2026
Save $11,114 CAD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,177 CAD at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815677230 or 815677230. Listed at 24 retailers as of October 28, 2026, with prices from $1,062 to $12,177, a $11,114 spread on the same certified stone. Brilliant Earth lists it at $12,177. 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 angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677230
Dimensions9.39 × 9.35 × 5.75 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 mm9.35 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677230
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

Caratlytics Score

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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: $12,177 CAD|Low: $1,062 CAD|High: $13,114 CAD|Avg: $3,591 CAD|-7.2%
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
October 30, 2026
Retailer 16$1,062 CAD
Retailer 4$1,659 CAD
Retailer 13$1,708 CAD
Retailer 2$1,758 CAD
Retailer 10$1,793 CAD
Retailer 11$2,558 CAD
Retailer 7$2,563 CAD
Retailer 3$2,794 CAD
Retailer 6$2,798 CAD
Retailer 14$2,988 CAD
Retailer 15$3,563 CAD
Retailer 5$3,800 CAD
Retailer 12$3,808 CAD
Retailer 9$4,666 CAD
Retailer 8$8,076 CAD
Brilliant Earth$12,177 CAD

35 data points across 16 retailers

24 retailers$1,062 CAD to $12,177 CAD

Retailer 1
-
$980 CAD
$700 USD
Price last confirmed 19 days ago
Retailer 2
-
$1,009 CAD
$721 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$1,062 CAD
$759 USD
View
Final sale: no returns
Retailer 4
-
$1,097 CAD
$784 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$1,136 CAD
$812 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,136 CAD
$812 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$1,153 CAD
$824 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$1,659 CAD
$1,185 USD
View
A
Retailer 9
-
$1,708 CAD
$1,220 USD
View
A
Retailer 10
-
$1,758 CAD
£989 GBP
View
A
Retailer 11
-
$1,793 CAD
€1,220 EUR
View
A
Retailer 12
-
$2,558 CAD
ZAR 29,527 ZAR
View
Retailer 13
-
$2,563 CAD
A$2,817 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
$2,794 CAD
$1,996 USD
View
A
Retailer 15
-
$2,798 CAD
$1,999 USD
View
A
Retailer 16
-
$2,988 CAD
$2,135 USD
View
Retailer 17
-
$3,194 CAD
$2,282 USD
View
Price last confirmed 22 days ago
Retailer 18
-
$3,289 CAD
$2,350 USD
View
Price last confirmed 39 days ago
A
Retailer 19
-
$3,563 CAD
$2,546 USD
View
A
Retailer 20
-
$3,800 CAD
$2,715 USD
View
A
Retailer 21
-
$3,808 CAD
$2,721 USD
View
B+
Retailer 22
-
$4,666 CAD
£2,625 GBP
View
Retailer 23
-
$8,076 CAD
$5,770 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21016998A · Oct 28
$12,177 CAD
$8,700 USD
View
23 more retailers have this diamond
Prices start from $1,062 CADSave up to $11,114 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
$1,062 CAD