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Round|Lab Grown|IGI

11.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG581343778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581343778

Diamond specifications and retailer prices

From $2,438 CAD
$1,745 USD
As of October 26, 2026
Save $14,339 CAD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,777 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 11.54ct lab-grown round diamond

This 11.54ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581343778 or 581343778. Listed at 11 retailers as of October 26, 2026, with prices from $2,438 to $16,777, a $14,339 spread on the same certified stone. Do Amore Diamonds lists it at $16,777. 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

11.54
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581343778
Dimensions14.63 × 14.68 × 8.81 mm
L/W Ratio1.00
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
14.63 mm14.68 mm11.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581343778
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.1%

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 26
Current: $16,777 CAD|Low: $2,438 CAD|High: $32,181 CAD|Avg: $11,440 CAD|-31.5%
Do Amore Diamonds
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 29, 2026
Retailer 11$2,438 CAD
Retailer 2$2,515 CAD
Retailer 16$3,875 CAD
Retailer 9$4,250 CAD
Retailer 3$4,358 CAD
Retailer 10$4,463 CAD
Retailer 15$5,305 CAD
Retailer 7$6,044 CAD
Retailer 5$6,341 CAD
Retailer 14$7,318 CAD
Retailer 4$7,872 CAD
Retailer 12$9,904 CAD
Retailer 13$14,959 CAD
Do Amore Diamonds$16,777 CAD
Retailer 6$22,099 CAD
Retailer 8$32,181 CAD

10 data points across 16 retailers

11 retailers$2,438 CAD to $16,777 CAD

A
Cheapest Retailer
-
$2,438 CAD
$1,745 USD
A
Retailer 2
-
$2,515 CAD
£1,418 GBP
View
Retailer 3
-
$3,875 CAD
$2,774 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$4,250 CAD
£2,396 GBP
View
Retailer 5
-
$4,358 CAD
$3,120 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$4,463 CAD
$3,195 USD
View
Retailer 7
-
$5,305 CAD
$3,798 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$7,318 CAD
$5,239 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$9,904 CAD
$7,090 USD
View
B
Retailer 10
-
$14,959 CAD
$10,709 USD
View
Most Expensive
B
Do Amore Diamonds
27-148F677EE · Oct 29
$16,777 CAD
$12,010 USD
View
10 more retailers have this diamond
Prices start from $2,438 CADSave up to $14,339 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
11.54ct Round
$2,438 CAD