CaratHunter
Plans
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 £1,393 GBP
As of October 27, 2026
Save £12,981 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £14,374 GBP at Brilliant Earth · As of October 29, 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 12 retailers as of October 27, 2026, with prices from £1,393 to £14,374, a £12,981 spread on the same certified stone. Brilliant Earth lists it at £14,374. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £15,598 GBP|Low: £1,393 GBP|High: £15,598 GBP|Avg: £5,665 GBP
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
October 31, 2026
Retailer 16£1,393 GBP
Retailer 2£1,964 GBP
Retailer 17£2,365 GBP
Retailer 18£2,472 GBP
Retailer 9£2,618 GBP
Retailer 8£2,908 GBP
Retailer 11£2,979 GBP
Retailer 7£3,454 GBP
Retailer 13£4,106 GBP
Retailer 15£4,142 GBP
Retailer 5£4,326 GBP
Retailer 3£4,770 GBP
Retailer 6£5,416 GBP
Retailer 12£7,562 GBP
Retailer 4£8,344 GBP
Retailer 14£9,292 GBP
Retailer 10£12,294 GBP
Brilliant Earth£15,598 GBP

10 data points across 18 retailers

12 retailers£1,393 GBP to £14,374 GBP

A
Cheapest Retailer
-
£1,393 GBP
A
Retailer 2
-
£1,964 GBP
$2,631 USD
View
A
Retailer 3
-
£2,365 GBP
View
B+
Retailer 4
-
£2,472 GBP
$3,312 USD
View
B+
Retailer 5
-
£2,979 GBP
$3,991 USD
View
B+
Retailer 6
-
£4,106 GBP
View
B+
Retailer 7
-
£4,326 GBP
$5,797 USD
View
B
Retailer 8
-
£4,770 GBP
$6,391 USD
View
B
Retailer 9
-
£7,562 GBP
$10,132 USD
View
B
Retailer 10
-
£8,344 GBP
$11,180 USD
View
B
Retailer 11
-
£9,292 GBP
$12,450 USD
View
Most Expensive
B
Brilliant Earth
22300997A · Oct 29
£14,374 GBP
$19,260 USD
View
11 more retailers have this diamond
Prices start from £1,393 GBPSave up to £12,981 GBP

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
£1,393 GBP