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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 $1,811 USD
£1,426 GBP
As of October 27, 2026
Save $14,349 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,160 USD 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 $1,811 to $16,160, a $14,349 spread on the same certified stone. Brilliant Earth lists it at $16,160. 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
Color
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

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 27
Current: $17,530 USD|Low: $1,811 USD|High: $17,530 USD|Avg: $7,471 USD
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
October 31, 2026
Retailer 12$1,811 USD
Retailer 2$2,552 USD
Retailer 13$3,073 USD
Retailer 14$3,215 USD
Retailer 7$3,290 USD
Retailer 6$3,675 USD
Retailer 9$3,872 USD
Retailer 4$4,348 USD
Retailer 3$5,631 USD
Retailer 5$6,228 USD
Retailer 15$6,739 USD
Retailer 10$9,832 USD
Retailer 16$10,842 USD
Retailer 11$12,080 USD
Retailer 8$15,970 USD
Brilliant Earth$17,530 USD

10 data points across 16 retailers

11 retailers$1,811 USD to $16,160 USD

A
Cheapest Retailer
-
$1,811 USD
£1,426 GBP
A
Retailer 2
-
$2,552 USD
View
B+
Retailer 3
-
$3,073 USD
£2,420 GBP
View
B+
Retailer 4
-
$3,215 USD
View
B+
Retailer 5
-
$3,872 USD
View
B
Retailer 6
-
$5,631 USD
View
B
Retailer 7
-
$6,739 USD
View
B
Retailer 8
-
$9,832 USD
View
B
Retailer 9
-
$10,842 USD
View
B
Retailer 10
-
$12,080 USD
View
Most Expensive
B
Brilliant Earth
22301497A · Oct 31
$16,160 USD
View
10 more retailers have this diamond
Prices start from $1,811 USDSave up to $14,349 USD

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
$1,811 USD