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Oval|Lab Grown|IGI

11.20ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG546230806

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG546230806

Diamond specifications and retailer prices

From $2,316 SGD
£1,426 GBP
As of October 27, 2026
Save $18,343 SGD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,659 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.2ct lab-grown oval diamond

This 11.2ct lab-grown oval 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 LG546230806 or 546230806. Listed at 11 retailers as of October 27, 2026, with prices from $2,316 to $20,659, a $18,343 spread on the same certified stone. Brilliant Earth lists it at $20,659. 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

11.20
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546230806
Dimensions17.99 × 12.66 × 7.87 mm
L/W Ratio1.42
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
17.99 mm12.66 mm11.20 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546230806
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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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 27
Current: $22,410 SGD|Low: $2,316 SGD|High: $22,410 SGD|Avg: $9,473 SGD
Brilliant Earth
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 1, 2026
Retailer 14$2,316 SGD
Retailer 10$3,262 SGD
Retailer 15$4,110 SGD
Retailer 7$4,205 SGD
Retailer 6$4,698 SGD
Retailer 9$4,919 SGD
Retailer 11$4,950 SGD
Retailer 5$5,559 SGD
Retailer 4$7,198 SGD
Retailer 2$7,204 SGD
Retailer 16$8,615 SGD
Retailer 12$12,570 SGD
Retailer 3$13,860 SGD
Retailer 13$15,443 SGD
Retailer 8$20,416 SGD
Brilliant Earth$22,410 SGD

11 data points across 16 retailers

11 retailers$2,316 SGD to $20,659 SGD

A
Cheapest Retailer
-
$2,316 SGD
£1,426 GBP
A
Retailer 2
-
$3,262 SGD
$2,552 USD
View
B+
Retailer 3
-
$4,110 SGD
$3,215 USD
View
B
Retailer 4
-
$4,919 SGD
£3,030 GBP
View
B+
Retailer 5
-
$4,950 SGD
$3,872 USD
View
B
Retailer 6
-
$7,198 SGD
$5,631 USD
View
B
Retailer 7
-
$8,615 SGD
$6,739 USD
View
B
Retailer 8
-
$12,570 SGD
$9,832 USD
View
B
Retailer 9
-
$13,860 SGD
$10,842 USD
View
B
Retailer 10
-
$15,443 SGD
$12,080 USD
View
Most Expensive
B
Brilliant Earth
22301497A · Oct 31
$20,659 SGD
$16,160 USD
View
10 more retailers have this diamond
Prices start from $2,316 SGDSave up to $18,343 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
11.20ct Oval
$2,316 SGD