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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 $1,987 AUD
£1,099 GBP
As of November 2, 2026
Save $7,675 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,662 AUD at Adiamor · As of November 2, 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 14 retailers as of November 2, 2026, with prices from $1,987 to $9,662, a $7,675 spread on the same certified stone. Adiamor lists it at $9,662. 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
Colour
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: Nov 2
Current: $9,662 AUD|Low: $1,987 AUD|High: $33,440 AUD|Avg: $7,849 AUD
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
Retailer 16
November 2, 2026
Retailer 2$1,987 AUD
Retailer 13$2,133 AUD
Retailer 11$2,320 AUD
Retailer 3$2,474 AUD
Retailer 14$2,719 AUD
Retailer 4$2,916 AUD
Retailer 16$3,279 AUD
Retailer 9$3,481 AUD
Retailer 10$3,899 AUD
Retailer 15$3,987 AUD
Retailer 12$4,491 AUD
Retailer 6$4,638 AUD
Retailer 5$7,823 AUD
Adiamor$9,662 AUD
Retailer 8$24,571 AUD
Retailer 7$33,440 AUD

6 data points across 16 retailers

14 retailers$1,987 AUD to $9,662 AUD

A
Cheapest Retailer
-
$1,987 AUD
£1,099 GBP
A
Retailer 2
-
$2,133 AUD
$1,498 USD
View
A
Retailer 3
-
$2,320 AUD
$1,630 USD
View
A
Retailer 4
-
$2,474 AUD
$1,738 USD
View
A
Retailer 5
-
$2,719 AUD
$1,910 USD
View
A
Retailer 6
-
$2,916 AUD
HK$16,000 HKD
View
A
Retailer 7
-
$3,279 AUD
$2,303 USD
View
A
Retailer 8
-
$3,481 AUD
£1,925 GBP
View
B+
Retailer 9
-
$3,899 AUD
$2,739 USD
View
A
Retailer 10
-
$3,987 AUD
€2,667 EUR
View
B+
Retailer 11
-
$4,491 AUD
$3,155 USD
View
B+
Retailer 12
-
$4,638 AUD
$3,258 USD
View
B
Retailer 13
-
$7,823 AUD
$5,495 USD
View
Most Expensive
B
Adiamor
D-82834942 · Nov 2
$9,662 AUD
$6,787 USD
View
13 more retailers have this diamond
Prices start from $1,987 AUDSave up to $7,675 AUD

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
$1,987 AUD