Radiant|Lab Grown|IGI

3.09ct I SI1 Radiant Lab Grown Diamond

ID • I/SI1 • IGI LG522239756

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG522239756

Diamond specifications and retailer prices

From $928 CAD
$664 USD
As of October 30, 2026
Save $8,557 CAD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,820 CAD at Ting Diamond · As of October 30, 2026
View at Ting Diamond

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522239756 or 522239756. Listed at 16 retailers as of October 29, 2026, with a 923% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.09
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522239756
Dimensions9.84 × 7.49 × 4.70 mm
L/W Ratio1.31
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.84 mm7.49 mm3.09 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522239756
Side View
Table 67.0%Crown 44.4°Girdle: STK-THKPavilion 32.3°Culet: NoneDepth 62.8%

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 30
Current: $1,284 CAD|Low: $890 CAD|High: $12,820 CAD|Avg: $3,422 CAD|-1.0%
Retailer 1
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
Ting Diamond
October 30, 2026
Retailer 12$928 CAD
Retailer 16$1,009 CAD
Retailer 3$1,036 CAD
Retailer 2$1,076 CAD
Retailer 13$1,076 CAD
Retailer 1$1,284 CAD
Retailer 9$1,320 CAD
Retailer 5$1,503 CAD
Retailer 4$1,627 CAD
Retailer 15$1,753 CAD
Retailer 11$2,748 CAD
Retailer 14$3,024 CAD
Retailer 6$3,710 CAD
Retailer 10$4,536 CAD
Retailer 8$7,071 CAD
Retailer 7$9,485 CAD
Ting Diamond$12,820 CAD

38 data points across 17 retailers

16 retailers$928 CAD to $9,485 CAD

A
Cheapest Retailer
-
$928 CAD
$664 USD
A
Retailer 2
-
$1,009 CAD
$722 USD
View
A
Retailer 3
-
$1,036 CAD
$742 USD
View
Final sale: no returns
A
Retailer 4
-
$1,076 CAD
$770 USD
View
Retailer 5
-
$1,076 CAD
$770 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,284 CAD
£723 GBP
View
A
Retailer 7
-
$1,320 CAD
$945 USD
View
A
Retailer 8
-
$1,503 CAD
$1,076 USD
View
B+
Retailer 9
-
$1,627 CAD
$1,165 USD
View
B+
Retailer 10
-
$1,753 CAD
$1,255 USD
View
B+
Retailer 11
-
$2,748 CAD
$1,967 USD
View
B+
Retailer 12
-
$3,024 CAD
$2,165 USD
View
B+
Retailer 13
-
$3,710 CAD
$2,656 USD
View
B
Retailer 14
-
$4,536 CAD
£2,557 GBP
View
B
Retailer 15
-
$9,485 CAD
$6,790 USD
View
Most Expensive
Ting Diamond
10185574 · Oct 30
$12,820 CAD
HK$71,700 HKD
View
Price under review
15 more retailers have this diamond
Prices start from $928 CADSave up to $8,557 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 Radiant
$928 CAD