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Radiant|Lab Grown|IGI

15.07ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG828660687

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG828660687

Diamond specifications and retailer prices

From £3,120 GBP
As of October 28, 2026
Save £10,673 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £13,793 GBP at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 15.07ct lab-grown radiant diamond

This 15.07ct lab-grown radiant 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 LG828660687 or 828660687. Listed at 19 retailers as of October 27, 2026, with prices from £3,120 to £13,793, a £10,673 spread on the same certified stone. Taylor and Hart lists it at £13,793. 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

15.07
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828660687
Dimensions16.51 × 12.81 × 7.60 mm
L/W Ratio1.29
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.51 mm12.81 mm15.07 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828660687
Side View
Table 68.0%Crown 44.5°Girdle: ThickPavilion 37.3°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
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: Oct 28
Current: £7,067 GBP|Low: £3,102 GBP|High: £11,919 GBP|Avg: £5,588 GBP|+2.2%
Retailer 1
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
October 31, 2026
Retailer 9£3,120 GBP
Retailer 12£3,331 GBP
Retailer 16£3,491 GBP
Retailer 7£3,864 GBP
Retailer 13£3,864 GBP
Retailer 11£3,866 GBP
Retailer 14£4,828 GBP
Retailer 10£4,983 GBP
Retailer 5£5,027 GBP
Retailer 4£5,814 GBP
Retailer 15£5,957 GBP
Retailer 2£5,977 GBP
Retailer 1£7,067 GBP
Retailer 3£7,317 GBP
Retailer 8£9,776 GBP
Retailer 6£11,838 GBP

34 data points across 16 retailers

19 retailers£3,120 GBP to £13,793 GBP

A
Cheapest Retailer
-
£3,120 GBP
A
Retailer 2
-
£3,331 GBP
$4,463 USD
View
A
Retailer 3
-
£3,491 GBP
$4,677 USD
View
A
Retailer 4
-
£3,864 GBP
$5,177 USD
View
Retailer 5
-
£3,864 GBP
$5,177 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£3,866 GBP
$5,180 USD
View
A
Retailer 7
-
£4,021 GBP
$5,388 USD
View
Retailer 8
-
£4,828 GBP
$6,469 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£4,983 GBP
View
B+
Retailer 10
-
£5,027 GBP
$6,736 USD
View
Retailer 11
-
£5,814 GBP
$7,790 USD
View
Price last confirmed 11 days ago
Retailer 12
-
£5,957 GBP
ZAR 128,944 ZAR
View
Price last confirmed 7 days ago
Retailer 13
-
£5,977 GBP
$8,008 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£7,067 GBP
€9,018 EUR
View
Retailer 15
-
£7,317 GBP
A$15,083 AUD
View
Price last confirmed 10 days ago
Retailer 16
-
£9,776 GBP
A$20,152 AUD
View
Price last confirmed 23 days ago
B
Retailer 17
-
£10,737 GBP
$14,386 USD
View
B
Retailer 18
-
£11,838 GBP
$15,862 USD
View
Most Expensive
B
Taylor and Hart
BPU84OA · Oct 27
£13,793 GBP
$18,481 USD
View
18 more retailers have this diamond
Prices start from £3,120 GBPSave up to £10,673 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
15.07ct Radiant
£3,120 GBP