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Oval|Lab Grown|IGI

15.09ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG817625381

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817625381

Diamond specifications and retailer prices

From £4,567 GBP
$6,119 USD
As of November 1, 2026
Save £7,992 GBP (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £12,559 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG817625381 or 817625381. Listed at 6 retailers as of October 31, 2026, with prices from £4,567 to £12,559, a £7,992 spread on the same certified stone. Taylor and Hart lists it at £12,559. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817625381
Dimensions21.14 × 14.03 × 8.17 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.14 mm14.03 mm15.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817625381
Side View
Table 62.0%Crown 30.9°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £8,853 GBP|Low: £4,542 GBP|High: £12,767 GBP|Avg: £8,154 GBP|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 2, 2026
Retailer 4£4,567 GBP
Retailer 2£4,647 GBP
Retailer 5£5,523 GBP
Retailer 1£8,853 GBP
Retailer 3£9,274 GBP
Retailer 6£11,490 GBP
Taylor and Hart£12,559 GBP

35 data points across 7 retailers

6 retailers£4,567 GBP to £12,559 GBP

B+
Cheapest Retailer
-
£4,567 GBP
$6,119 USD
B+
Retailer 2
-
£4,647 GBP
View
Retailer 3
-
£5,523 GBP
$7,400 USD
View
Price last confirmed 74 days ago
B
Retailer 4
-
£8,853 GBP
$11,862 USD
View
B
Retailer 5
-
£9,274 GBP
A$19,118 AUD
View
Most Expensive
B
Taylor and Hart
ONLBS29 · Oct 31
£12,559 GBP
$16,827 USD
View
5 more retailers have this diamond
Prices start from £4,567 GBPSave up to £7,992 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.

B+
15.09ct Oval
£4,567 GBP