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Oval|Lab Grown|IGI

11.55ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG578327601

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG578327601

Diamond specifications and retailer prices

From $2,658 AUD
£1,470 GBP
As of October 27, 2026
Save $24,761 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,419 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.55ct lab-grown oval diamond

This 11.55ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578327601 or 578327601. Listed at 13 retailers as of October 27, 2026, with prices from $2,658 to $27,419, a $24,761 spread on the same certified stone. Brilliant Earth lists it at $27,419. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.55
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578327601
Dimensions18.22 × 12.73 × 8.04 mm
L/W Ratio1.43
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
18.22 mm12.73 mm11.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578327601
Side View
Table 60.0%Crown 36°Girdle: MediumPavilion 41.3°Culet: NoneDepth 63.2%

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: $29,753 AUD|Low: $2,658 AUD|High: $29,753 AUD|Avg: $10,742 AUD
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 17$2,658 AUD
Retailer 11$3,745 AUD
Retailer 18$4,715 AUD
Retailer 9$4,993 AUD
Retailer 2$5,535 AUD
Retailer 8$5,546 AUD
Retailer 12$5,682 AUD
Retailer 7$6,589 AUD
Retailer 14$7,832 AUD
Retailer 16$7,901 AUD
Retailer 5$8,252 AUD
Retailer 3$9,098 AUD
Retailer 6$10,331 AUD
Retailer 13$14,425 AUD
Retailer 4$15,916 AUD
Retailer 15$17,724 AUD
Retailer 10$23,451 AUD
Brilliant Earth$29,753 AUD

11 data points across 18 retailers

13 retailers$2,658 AUD to $27,419 AUD

A
Cheapest Retailer
-
$2,658 AUD
£1,470 GBP
A
Retailer 2
-
$3,745 AUD
$2,631 USD
View
B+
Retailer 3
-
$4,715 AUD
$3,312 USD
View
B+
Retailer 4
-
$5,535 AUD
£3,062 GBP
View
B+
Retailer 5
-
$5,682 AUD
$3,991 USD
View
B+
Retailer 6
-
$7,832 AUD
£4,332 GBP
View
B+
Retailer 7
-
$7,901 AUD
$5,550 USD
View
B+
Retailer 8
-
$8,252 AUD
$5,797 USD
View
B
Retailer 9
-
$9,098 AUD
$6,391 USD
View
B
Retailer 10
-
$14,425 AUD
$10,132 USD
View
B
Retailer 11
-
$15,916 AUD
$11,180 USD
View
B
Retailer 12
-
$17,724 AUD
$12,450 USD
View
Most Expensive
B
Brilliant Earth
22300997A · Oct 31
$27,419 AUD
$19,260 USD
View
12 more retailers have this diamond
Prices start from $2,658 AUDSave up to $24,761 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
11.55ct Oval
$2,658 AUD