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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 $1,867 USD
£1,470 GBP
As of October 27, 2026
Save $17,393 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $19,260 USD 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 11 retailers as of October 27, 2026, with prices from $1,867 to $19,260, a $17,393 spread on the same certified stone. Brilliant Earth lists it at $19,260. 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
Color
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: $20,900 USD|Low: $1,867 USD|High: $20,900 USD|Avg: $7,625 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
Retailer 17
October 31, 2026
Retailer 14$1,867 USD
Retailer 15$3,169 USD
Retailer 16$3,312 USD
Retailer 8$3,507 USD
Retailer 7$3,896 USD
Retailer 2$3,991 USD
Retailer 6$4,628 USD
Retailer 11$5,502 USD
Retailer 13$5,550 USD
Retailer 4$5,797 USD
Retailer 17$6,391 USD
Retailer 5$7,257 USD
Retailer 10$10,132 USD
Retailer 3$11,180 USD
Retailer 12$12,450 USD
Retailer 9$16,473 USD
Brilliant Earth$20,900 USD

10 data points across 17 retailers

11 retailers$1,867 USD to $19,260 USD

A
Cheapest Retailer
-
$1,867 USD
£1,470 GBP
A
Retailer 2
-
$3,169 USD
£2,495 GBP
View
B+
Retailer 3
-
$3,312 USD
View
B+
Retailer 4
-
$3,991 USD
View
B+
Retailer 5
-
$5,502 USD
£4,332 GBP
View
B+
Retailer 6
-
$5,797 USD
View
B+
Retailer 7
-
$6,391 USD
View
B
Retailer 8
-
$10,132 USD
View
B
Retailer 9
-
$11,180 USD
View
B
Retailer 10
-
$12,450 USD
View
Most Expensive
B
Brilliant Earth
22300997A · Oct 29
$19,260 USD
View
10 more retailers have this diamond
Prices start from $1,867 USDSave up to $17,393 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
11.55ct Oval
$1,867 USD