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Radiant|Lab Grown|IGI

15.04ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG846635126

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

Certificate IGI LG846635126

Diamond specifications and retailer prices

From £2,614 GBP
$3,503 USD
As of October 31, 2026
Save £10,499 GBP (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £13,113 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.04ct lab-grown radiant diamond

This 15.04ct 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 LG846635126 or 846635126. Listed at 3 retailers as of October 31, 2026, with prices from £2,614 to £13,113, a £10,499 spread on the same certified stone. Brilliant Earth lists it at £13,113. 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

15.04
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846635126
Dimensions17.22 × 12.14 × 8.20 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.22 mm12.14 mm15.04 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846635126
Side View
Table 67.0%Crown 48.8°Girdle: MediumPavilion 36.8°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £13,113 GBP|Low: £2,614 GBP|High: £13,628 GBP|Avg: £7,214 GBP|-3.8%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£2,614 GBP
Retailer 2£3,602 GBP
Brilliant Earth£13,113 GBP

16 data points across 3 retailers

3 retailers£2,614 GBP to £13,113 GBP

A
Cheapest Retailer
-
£2,614 GBP
$3,503 USD
Final sale: no returns
A
Retailer 2
-
£3,602 GBP
View
Most Expensive
B
Brilliant Earth
22150899A · Oct 31
£13,113 GBP
$17,570 USD
View
2 more retailers have this diamond
Prices start from £2,614 GBPSave up to £10,499 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
15.04ct Radiant
£2,614 GBP