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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 $1,785 SGD
£1,099 GBP
As of November 2, 2026
Save $6,892 SGD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,677 SGD 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 $1,785 to $8,677, a $6,892 spread on the same certified stone. Adiamor lists it at $8,677. 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: $8,677 SGD|Low: $1,785 SGD|High: $30,029 SGD|Avg: $7,048 SGD
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$1,785 SGD
Retailer 13$1,915 SGD
Retailer 11$2,084 SGD
Retailer 3$2,222 SGD
Retailer 14$2,442 SGD
Retailer 4$2,618 SGD
Retailer 16$2,944 SGD
Retailer 9$3,126 SGD
Retailer 10$3,502 SGD
Retailer 15$3,580 SGD
Retailer 12$4,033 SGD
Retailer 6$4,165 SGD
Retailer 5$7,025 SGD
Adiamor$8,677 SGD
Retailer 8$22,065 SGD
Retailer 7$30,029 SGD

6 data points across 16 retailers

14 retailers$1,785 SGD to $8,677 SGD

A
Cheapest Retailer
-
$1,785 SGD
£1,099 GBP
A
Retailer 2
-
$1,915 SGD
$1,498 USD
View
A
Retailer 3
-
$2,084 SGD
$1,630 USD
View
A
Retailer 4
-
$2,222 SGD
$1,738 USD
View
A
Retailer 5
-
$2,442 SGD
$1,910 USD
View
A
Retailer 6
-
$2,618 SGD
HK$16,000 HKD
View
A
Retailer 7
-
$2,944 SGD
$2,303 USD
View
A
Retailer 8
-
$3,126 SGD
£1,925 GBP
View
B+
Retailer 9
-
$3,502 SGD
$2,739 USD
View
A
Retailer 10
-
$3,580 SGD
€2,667 EUR
View
B+
Retailer 11
-
$4,033 SGD
$3,155 USD
View
B+
Retailer 12
-
$4,165 SGD
$3,258 USD
View
B
Retailer 13
-
$7,025 SGD
$5,495 USD
View
Most Expensive
B
Adiamor
D-82834942 · Nov 2
$8,677 SGD
$6,787 USD
View
13 more retailers have this diamond
Prices start from $1,785 SGDSave up to $6,892 SGD

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
$1,785 SGD