Oval|Lab Grown|IGI

15.00ct F VS1 Oval Lab Grown Diamond

VG • F/VS1 • IGI LG786668459

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG786668459

Diamond specifications and retailer prices

From £1,899 GBP
As of October 27, 2026
Save £11,431 GBP (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £13,329 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15ct lab-grown oval diamond

This 15ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG786668459 or 786668459. Listed at 22 retailers as of October 27, 2026, with prices from £1,899 to £13,329, a £11,431 spread on the same certified stone. Brilliant Earth lists it at £13,329. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

15.00
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786668459
Dimensions20.41 × 14.01 × 8.02 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
20.41 mm14.01 mm15.00 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786668459
Side View
Table 68.0%Crown 33.2°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 57.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £13,329 GBP|Low: £1,895 GBP|High: £21,778 GBP|Avg: £6,079 GBP|-38.8%
Brilliant Earth
Retailer 2
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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
Retailer 19
November 2, 2026
Retailer 18£1,899 GBP
Retailer 4£2,275 GBP
Retailer 13£2,704 GBP
Retailer 16£3,091 GBP
Retailer 17£3,131 GBP
Retailer 19£3,164 GBP
Retailer 14£3,535 GBP
Retailer 3£3,668 GBP
Retailer 8£3,725 GBP
Retailer 7£4,061 GBP
Retailer 9£4,482 GBP
Retailer 10£4,806 GBP
Retailer 11£6,068 GBP
Retailer 6£6,576 GBP
Retailer 5£8,215 GBP
Retailer 12£8,474 GBP
Retailer 2£10,661 GBP
Retailer 15£11,445 GBP
Brilliant Earth£13,329 GBP

29 data points across 19 retailers

22 retailers£1,899 GBP to £13,329 GBP

A
Cheapest Retailer
-
£1,899 GBP
Retailer 2
-
£2,082 GBP
$2,790 USD
View
Price last confirmed 22 days ago
Retailer 3
-
£2,265 GBP
$3,035 USD
View
Price last confirmed 19 days ago
Retailer 4
-
£2,415 GBP
$3,236 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£2,704 GBP
HK$28,300 HKD
View
A
Retailer 6
-
£3,091 GBP
$4,141 USD
View
Retailer 7
-
£3,131 GBP
$4,195 USD
View
Price last confirmed 5 days ago
A
Retailer 8
-
£3,164 GBP
View
Retailer 9
-
£3,320 GBP
$4,448 USD
View
Price last confirmed 23 days ago
A
Retailer 10
-
£3,535 GBP
€4,511 EUR
View
B+
Retailer 11
-
£3,668 GBP
$4,915 USD
View
Retailer 12
-
£3,725 GBP
ZAR 80,622 ZAR
View
Price last confirmed 8 days ago
Retailer 13
-
£4,061 GBP
View
Price last confirmed 7 days ago
Retailer 14
-
£4,482 GBP
A$9,240 AUD
View
Price last confirmed 10 days ago
Retailer 15
-
£4,806 GBP
$6,440 USD
View
Price last confirmed 14 days ago
Retailer 16
-
£6,068 GBP
$8,130 USD
View
Price last confirmed 7 days ago
Retailer 17
-
£6,576 GBP
$8,812 USD
View
Price last confirmed 7 days ago
Retailer 18
-
£8,215 GBP
$11,007 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
£8,474 GBP
A$17,468 AUD
View
B
Retailer 20
-
£10,661 GBP
$14,285 USD
View
B
Retailer 21
-
£11,445 GBP
$15,335 USD
View
Most Expensive
B
Brilliant Earth
18437525A · Oct 31
£13,329 GBP
$17,860 USD
View
21 more retailers have this diamond
Prices start from £1,899 GBPSave up to £11,431 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
15.00ct Oval
£1,899 GBP