Oval|Lab Grown|IGI

15.06ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG821686024

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821686024

Diamond specifications and retailer prices

From £3,559 GBP
As of November 1, 2026
Save £9,880 GBP (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £21,867 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.06ct lab-grown oval diamond

This 15.06ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821686024 or 821686024. Listed at 11 retailers as of October 31, 2026, with a 278% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.06
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821686024
Dimensions13.61 × 21.03 × 7.96 mm
L/W Ratio1.55
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.61 mm21.03 mm15.06 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821686024
Side View
Table 63.0%Crown 34.6°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 58.5%

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: Nov 1
Current: £21,867 GBP|Low: £3,537 GBP|High: £21,867 GBP|Avg: £8,513 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£3,559 GBP
Retailer 6£4,168 GBP
Retailer 4£4,816 GBP
Retailer 5£5,101 GBP
Retailer 2£8,735 GBP
Retailer 9£9,355 GBP
Retailer 8£10,798 GBP
Retailer 7£13,438 GBP
Brilliant Earth£21,867 GBP

43 data points across 9 retailers

11 retailers£3,559 GBP to £13,438 GBP

A
Cheapest Retailer
-
£3,559 GBP
B+
Retailer 2
-
£4,168 GBP
$5,584 USD
View
Retailer 3
-
£4,795 GBP
$6,425 USD
View
Price last confirmed 13 days ago
Retailer 4
-
£4,816 GBP
€6,145 EUR
View
Price last confirmed 7 days ago
Retailer 5
-
£4,907 GBP
$6,575 USD
View
Price last confirmed 13 days ago
Retailer 6
-
£5,101 GBP
$6,835 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£8,735 GBP
A$18,007 AUD
View
B
Retailer 8
-
£9,355 GBP
$12,534 USD
View
B
Retailer 9
-
£10,798 GBP
$14,468 USD
View
B
Retailer 10
-
£13,438 GBP
$18,006 USD
View
Most Expensive
Brilliant Earth
21041192A · Oct 31
£21,867 GBP
$29,300 USD
View
Price under review
10 more retailers have this diamond
Prices start from £3,559 GBPSave up to £9,880 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
15.06ct Oval
£3,559 GBP