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Oval|Lab Grown|IGI

15.09ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG770634841

Shape and cutting style on the report: Oval mixed cut

Certificate IGI LG770634841

Diamond specifications and retailer prices

From £3,203 GBP
$4,292 USD
As of November 1, 2026
Save £6,874 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £21,912 GBP at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 15.09ct lab-grown oval diamond

This 15.09ct 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 LG770634841 or 770634841. Listed at 10 retailers as of October 31, 2026, with a 215% 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

15.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle50.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770634841
Dimensions17.71 × 14.21 × 7.06 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.71 mm14.21 mm15.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG770634841
Side View
Table 67.0%Crown 36.7°Girdle: MED-VTKPavilion 50.9°Culet: NoneDepth 49.7%

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: Nov 1
Current: £21,912 GBP|Low: £2,875 GBP|High: £21,912 GBP|Avg: £6,197 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7£2,875 GBP
Retailer 8£3,203 GBP
Retailer 5£3,590 GBP
Retailer 2£3,831 GBP
Retailer 6£4,091 GBP
Retailer 4£4,449 GBP
Retailer 3£4,461 GBP
Retailer 9£10,077 GBP
Brilliant Earth£21,912 GBP

40 data points across 9 retailers

10 retailers£3,203 GBP to £10,077 GBP

Retailer 1
-
£2,875 GBP
$3,852 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£3,203 GBP
$4,292 USD
View
A
Retailer 3
-
£3,590 GBP
$4,810 USD
View
B+
Retailer 4
-
£3,831 GBP
View
B+
Retailer 5
-
£4,091 GBP
$5,482 USD
View
B+
Retailer 6
-
£4,449 GBP
ZAR 96,311 ZAR
View
B+
Retailer 7
-
£4,461 GBP
€5,692 EUR
View
B
Retailer 8
-
£10,077 GBP
$13,502 USD
View
Retailer 9
-
£21,912 GBP
$29,360 USD
View
Price under review
Most Expensive
Brilliant Earth
21779482A · Oct 14
£21,912 GBP
$29,360 USD
View
Price under review
9 more retailers have this diamond
Prices start from £3,203 GBPSave up to £6,874 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
15.09ct Oval
£3,203 GBP