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Round|Lab Grown|IGI

3.09ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG731566848

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731566848

Diamond specifications and retailer prices

From $1,296 CAD
$926 USD
As of October 29, 2026
Save $12,868 CAD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $14,164 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 LG731566848 or 731566848. Listed at 27 retailers as of October 29, 2026, with prices from $1,296 to $14,164, a $12,868 spread on the same certified stone. Brilliant Earth lists it at $14,164. 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 angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731566848
Dimensions9.36 × 9.39 × 5.73 mm
L/W Ratio1.00
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
Top View
9.36 mm9.39 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731566848
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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: $14,164 CAD|Low: $1,296 CAD|High: $20,518 CAD|Avg: $3,932 CAD|-31.0%
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
October 29, 2026
Retailer 18$1,296 CAD
Retailer 17$1,409 CAD
Retailer 5$1,503 CAD
Retailer 14$1,633 CAD
Retailer 4$1,798 CAD
Retailer 7$2,253 CAD
Retailer 15$2,253 CAD
Retailer 2$2,300 CAD
Retailer 13$2,400 CAD
Retailer 9$3,100 CAD
Retailer 6$3,344 CAD
Retailer 16$3,392 CAD
Retailer 11$3,490 CAD
Retailer 3$4,225 CAD
Retailer 10$4,703 CAD
Retailer 12$5,125 CAD
Retailer 8$7,215 CAD
Brilliant Earth$14,164 CAD

32 data points across 18 retailers

27 retailers$1,296 CAD to $14,164 CAD

A
Cheapest Retailer
-
$1,296 CAD
$926 USD
A
Retailer 2
-
$1,409 CAD
$1,007 USD
View
A
Retailer 3
-
$1,503 CAD
$1,074 USD
View
A
Retailer 4
-
$1,633 CAD
$1,167 USD
View
Final sale: no returns
A
Retailer 5
-
$1,798 CAD
£1,011 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,827 CAD
HK$10,200 HKD
View
A
Retailer 7
-
$1,885 CAD
$1,347 USD
View
A
Retailer 8
-
$2,253 CAD
$1,610 USD
View
A
Retailer 9
-
$2,253 CAD
$1,610 USD
View
A
Retailer 10
-
$2,300 CAD
£1,294 GBP
View
A
Retailer 11
-
$2,400 CAD
€1,633 EUR
View
A
Retailer 12
-
$3,100 CAD
A$3,408 AUD
View
A
Retailer 13
-
$3,344 CAD
$2,389 USD
View
A
Retailer 14
-
$3,376 CAD
$2,412 USD
View
A
Retailer 15
-
$3,392 CAD
A$3,728 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$3,490 CAD
ZAR 40,284 ZAR
View
A
Retailer 17
-
$3,844 CAD
$2,746 USD
View
B+
Retailer 18
-
$4,225 CAD
$3,019 USD
View
B+
Retailer 19
-
$4,703 CAD
$3,360 USD
View
B+
Retailer 20
-
$4,912 CAD
$3,510 USD
View
B+
Retailer 21
-
$5,125 CAD
£2,883 GBP
View
B+
Retailer 22
-
$5,227 CAD
$3,734 USD
View
B+
Retailer 23
-
$5,283 CAD
SGD 5,101 SGD
View
B+
Retailer 24
-
$5,677 CAD
$4,056 USD
View
B+
Retailer 25
-
$7,215 CAD
A$7,931 AUD
View
Price last confirmed 24 days ago
B
Retailer 26
-
$13,573 CAD
$9,698 USD
View
Most Expensive
B
Brilliant Earth
15998885A · Oct 29
$14,164 CAD
$10,120 USD
View
26 more retailers have this diamond
Prices start from $1,296 CADSave up to $12,868 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
$1,296 CAD