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Radiant|Lab Grown|IGI

11.23ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG851615271

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

Certificate IGI LG851615271

Diamond specifications and retailer prices

From £7,262 GBP
$9,730 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £7,262 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 11.23ct lab-grown radiant diamond

This 11.23ct 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 LG851615271 or 851615271. Listed at 2 retailers as of November 2, 2026, with a relatively tight 0% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

11.23
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851615271
Dimensions16.00 × 11.12 × 7.32 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.00 mm11.12 mm11.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851615271
Side View
Table 67.0%Crown 47°Girdle: MediumPavilion 34.6°Culet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £7,262 GBP|Low: £7,262 GBP|High: £7,262 GBP|Avg: £7,262 GBP
October 31, 2026
With Clarity£7,262 GBP

1 data point across 1 retailer

2 retailers£7,262 GBP to £7,262 GBP

B
Cheapest Retailer
-
£7,262 GBP
$9,730 USD
Most Expensive
B
With Clarity
851615271 · Nov 2
£7,262 GBP
$9,730 USD
View
1 more retailer has this diamond
Prices start from £7,262 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
11.23ct Radiant
£7,262 GBP