Oval|Lab Grown|IGI

15.00ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG812606452

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812606452

Diamond specifications and retailer prices

From £3,729 GBP
$4,996 USD
As of October 29, 2026
Save £11,799 GBP (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £24,636 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812606452 or 812606452. Listed at 21 retailers as of October 29, 2026, with a 316% 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

15.00
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812606452
Dimensions21.15 × 13.52 × 7.92 mm
L/W Ratio1.56
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.15 mm13.52 mm15.00 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812606452
Side View
Table 65.0%Crown 40°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 58.6%

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: Oct 29
Current: £24,636 GBP|Low: £3,579 GBP|High: £26,301 GBP|Avg: £7,965 GBP|-6.3%
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
Retailer 18
November 1, 2026
Retailer 18£3,729 GBP
Retailer 8£4,175 GBP
Retailer 10£4,326 GBP
Retailer 14£4,329 GBP
Retailer 7£4,419 GBP
Retailer 3£5,135 GBP
Retailer 17£5,424 GBP
Retailer 11£5,532 GBP
Retailer 4£6,119 GBP
Retailer 15£6,335 GBP
Retailer 13£6,695 GBP
Retailer 12£7,069 GBP
Retailer 6£8,135 GBP
Retailer 16£8,229 GBP
Retailer 2£10,582 GBP
Retailer 5£11,876 GBP
Retailer 9£15,528 GBP
Brilliant Earth£24,636 GBP

35 data points across 18 retailers

21 retailers£3,729 GBP to £15,528 GBP

A
Cheapest Retailer
-
£3,729 GBP
$4,996 USD
A
Retailer 2
-
£4,175 GBP
$5,594 USD
View
Final sale: no returns
Retailer 3
-
£4,326 GBP
$5,796 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
£4,326 GBP
$5,796 USD
View
A
Retailer 5
-
£4,329 GBP
$5,800 USD
View
A
Retailer 6
-
£4,419 GBP
$5,921 USD
View
B+
Retailer 7
-
£5,135 GBP
$6,880 USD
View
B+
Retailer 8
-
£5,424 GBP
$7,267 USD
View
B+
Retailer 9
-
£5,532 GBP
View
B+
Retailer 10
-
£6,119 GBP
View
B+
Retailer 11
-
£6,335 GBP
$8,488 USD
View
Retailer 12
-
£6,542 GBP
$8,765 USD
View
Price last confirmed 34 days ago
B+
Retailer 13
-
£6,695 GBP
ZAR 144,923 ZAR
View
B+
Retailer 14
-
£7,069 GBP
€9,021 EUR
View
B+
Retailer 15
-
£7,710 GBP
$10,331 USD
View
B+
Retailer 16
-
£8,135 GBP
$10,900 USD
View
Retailer 17
-
£8,229 GBP
A$16,963 AUD
View
Price last confirmed 9 days ago
B
Retailer 18
-
£10,582 GBP
A$21,813 AUD
View
B
Retailer 19
-
£11,876 GBP
$15,912 USD
View
B
Retailer 20
-
£15,528 GBP
$20,806 USD
View
Most Expensive
Brilliant Earth
20715787A · Oct 31
£24,636 GBP
$33,010 USD
View
Price under review
20 more retailers have this diamond
Prices start from £3,729 GBPSave up to £11,799 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
£3,729 GBP