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Round|Lab Grown|IGI

11.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG583324659

Shape and cutting style on the report: Round brilliant

Certificate IGI LG583324659

Diamond specifications and retailer prices

From $3,078 SGD
$2,408 USD
As of November 1, 2026
Save $17,159 SGD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,183 SGD at Do Amore Diamonds · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG583324659 or 583324659. Listed at 13 retailers as of October 31, 2026, with a 557% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583324659
Dimensions14.68 × 14.58 × 8.91 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
14.68 mm14.58 mm11.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583324659
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,183 SGD|Low: $2,462 SGD|High: $29,977 SGD|Avg: $9,002 SGD
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
Retailer 17
October 21, 2026
Retailer 12$3,078 SGD
Retailer 17$3,349 SGD
Retailer 15$3,448 SGD
Retailer 6$4,059 SGD
Retailer 5$4,631 SGD
Retailer 11$5,354 SGD
Retailer 2$5,356 SGD
Retailer 3$5,418 SGD
Retailer 14$5,567 SGD
Retailer 4$6,380 SGD
Retailer 10$6,986 SGD
Retailer 7$7,058 SGD
Retailer 8$7,204 SGD
Retailer 16$13,391 SGD
Retailer 13$20,237 SGD
Do Amore Diamonds$21,183 SGD
Retailer 9$29,977 SGD

11 data points across 17 retailers

13 retailers$3,078 SGD to $20,237 SGD

A
Cheapest Retailer
-
$3,078 SGD
$2,408 USD
A
Retailer 2
-
$3,349 SGD
$2,620 USD
View
A
Retailer 3
-
$3,448 SGD
$2,697 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,631 SGD
HK$28,300 HKD
View
B+
Retailer 5
-
$5,354 SGD
$4,188 USD
View
B+
Retailer 6
-
$5,356 SGD
$4,190 USD
View
B+
Retailer 7
-
$5,418 SGD
$4,238 USD
View
B+
Retailer 8
-
$5,567 SGD
$4,355 USD
View
Retailer 9
-
$6,986 SGD
$5,465 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$7,058 SGD
$5,521 USD
View
B
Retailer 11
-
$13,391 SGD
View
B
Retailer 12
-
$20,237 SGD
$15,830 USD
View
Most Expensive
Do Amore Diamonds
27-FDD5835B9 · Nov 2
$21,183 SGD
$16,570 USD
View
Price under review
12 more retailers have this diamond
Prices start from $3,078 SGDSave up to $17,159 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
11.54ct Round
$3,078 SGD