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Round|Lab Grown|IGI

11.56ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG577382882

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577382882

Diamond specifications and retailer prices

From $1,956 CAD
£1,103 GBP
As of October 30, 2026
Save $7,525 CAD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,481 CAD at Adiamor · As of October 31, 2026
View at Adiamor

About this 11.56ct lab-grown round diamond

This 11.56ct 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 LG577382882 or 577382882. Listed at 13 retailers as of October 30, 2026, with prices from $1,956 to $9,481, a $7,525 spread on the same certified stone. Adiamor lists it at $9,481. 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

11.56
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577382882
Dimensions14.50 × 14.61 × 8.92 mm
L/W Ratio1.01
Girdle conditionFaceted
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
14.50 mm14.61 mm11.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577382882
Side View
Table 56.5%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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: $9,481 CAD|Low: $1,956 CAD|High: $32,813 CAD|Avg: $8,164 CAD
Adiamor
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
October 31, 2026
Retailer 10$1,956 CAD
Retailer 11$2,093 CAD
Retailer 8$2,277 CAD
Retailer 15$2,428 CAD
Retailer 12$2,668 CAD
Retailer 3$2,861 CAD
Retailer 14$3,217 CAD
Retailer 2$3,416 CAD
Retailer 13$3,912 CAD
Retailer 9$4,407 CAD
Retailer 5$4,551 CAD
Retailer 4$7,676 CAD
Adiamor$9,481 CAD
Retailer 7$24,110 CAD
Retailer 6$32,813 CAD

4 data points across 15 retailers

13 retailers$1,956 CAD to $9,481 CAD

A
Cheapest Retailer
-
$1,956 CAD
£1,103 GBP
A
Retailer 2
-
$2,093 CAD
$1,498 USD
View
A
Retailer 3
-
$2,277 CAD
$1,630 USD
View
A
Retailer 4
-
$2,428 CAD
$1,738 USD
View
A
Retailer 5
-
$2,668 CAD
$1,910 USD
View
A
Retailer 6
-
$2,861 CAD
HK$16,000 HKD
View
A
Retailer 7
-
$3,217 CAD
$2,303 USD
View
A
Retailer 8
-
$3,416 CAD
£1,925 GBP
View
A
Retailer 9
-
$3,912 CAD
€2,667 EUR
View
B+
Retailer 10
-
$4,407 CAD
$3,155 USD
View
B+
Retailer 11
-
$4,551 CAD
$3,258 USD
View
B
Retailer 12
-
$7,676 CAD
$5,495 USD
View
Most Expensive
B
Adiamor
D-82834942 · Oct 31
$9,481 CAD
$6,787 USD
View
12 more retailers have this diamond
Prices start from $1,956 CADSave up to $7,525 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
11.56ct Round
$1,956 CAD