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Radiant|Lab Grown|IGI

14.56ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG841630868

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

Certificate IGI LG841630868

Diamond specifications and retailer prices

From £1,792 GBP
$2,401 USD
As of October 31, 2026
Save £590 GBP (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £9,702 GBP at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 14.56ct lab-grown radiant diamond

This 14.56ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841630868 or 841630868. Listed at 3 retailers as of October 31, 2026, with a 33% 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

14.56
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841630868
Dimensions17.31 × 11.89 × 7.94 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.31 mm11.89 mm14.56 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841630868
Side View
Table 67.0%Crown 46.9°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,792 GBP|Low: £1,792 GBP|High: £2,530 GBP|Avg: £2,310 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
October 27, 2026
Retailer 1£1,792 GBP
Retailer 2£2,382 GBP
Retailer 3£2,530 GBP

5 data points across 3 retailers

3 retailers£1,792 GBP to £2,382 GBP

A
Cheapest Retailer
-
£1,792 GBP
$2,401 USD
Final sale: no returns
B+
Retailer 2
-
£2,382 GBP
$3,192 USD
View
Most Expensive
Brilliant Earth
21612650A · Oct 1
£9,702 GBP
$13,000 USD
View
Price last confirmed 31 days ago
2 more retailers have this diamond
Prices start from £1,792 GBPSave up to £590 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
14.56ct Radiant
£1,792 GBP