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Round|Lab Grown|IGI

11.64ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG616430551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG616430551

Diamond specifications and retailer prices

From $3,584 CAD
£2,020 GBP
As of November 1, 2026
Save $18,725 CAD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $22,308 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.64ct lab-grown round diamond

This 11.64ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG616430551 or 616430551. Listed at 18 retailers as of October 31, 2026, with prices from $3,584 to $22,308, a $18,725 spread on the same certified stone. Brilliant Earth lists it at $22,308. 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

11.64
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616430551
Dimensions14.56 × 14.47 × 8.92 mm
L/W Ratio1.01
Girdle conditionFaceted
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
14.56 mm14.47 mm11.64 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616430551
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°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: Nov 1
Current: $22,308 CAD|Low: $3,582 CAD|High: $22,308 CAD|Avg: $6,647 CAD
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
November 1, 2026
Retailer 2$3,584 CAD
Retailer 11$3,847 CAD
Retailer 10$4,185 CAD
Retailer 5$4,307 CAD
Retailer 12$4,462 CAD
Retailer 15$4,463 CAD
Retailer 7$5,055 CAD
Retailer 3$5,832 CAD
Retailer 8$6,003 CAD
Retailer 14$6,134 CAD
Retailer 4$6,944 CAD
Retailer 9$7,073 CAD
Retailer 13$10,182 CAD
Retailer 6$12,443 CAD
Brilliant Earth$22,308 CAD

43 data points across 15 retailers

18 retailers$3,584 CAD to $22,308 CAD

A
Cheapest Retailer
-
$3,584 CAD
£2,020 GBP
A
Retailer 2
-
$3,847 CAD
$2,754 USD
View
A
Retailer 3
-
$4,185 CAD
$2,996 USD
View
A
Retailer 4
-
$4,307 CAD
$3,083 USD
View
Final sale: no returns
A
Retailer 5
-
$4,462 CAD
$3,194 USD
View
Retailer 6
-
$4,462 CAD
$3,194 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$4,463 CAD
$3,195 USD
View
B+
Retailer 8
-
$5,055 CAD
$3,619 USD
View
B+
Retailer 9
-
$5,832 CAD
$4,175 USD
View
B+
Retailer 10
-
$6,003 CAD
£3,384 GBP
View
B+
Retailer 11
-
$6,134 CAD
$4,391 USD
View
B+
Retailer 12
-
$6,944 CAD
$4,971 USD
View
B+
Retailer 13
-
$7,073 CAD
€4,822 EUR
View
Retailer 14
-
$9,104 CAD
$6,517 USD
View
Price last confirmed 53 days ago
B
Retailer 15
-
$10,182 CAD
$7,289 USD
View
B
Retailer 16
-
$12,443 CAD
$8,908 USD
View
B
Retailer 17
-
$15,553 CAD
$11,134 USD
View
Most Expensive
B
Brilliant Earth
20601882A · Oct 31
$22,308 CAD
$15,970 USD
View
17 more retailers have this diamond
Prices start from $3,584 CADSave up to $18,725 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
11.64ct Round
$3,584 CAD