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Radiant|Lab Grown|IGI

22.55ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG816628587

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG816628587

Diamond specifications and retailer prices

From £5,282 GBP
As of November 1, 2026
Save £17,597 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £22,879 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 22.55ct lab-grown radiant diamond

This 22.55ct 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 LG816628587 or 816628587. Listed at 11 retailers as of October 31, 2026, with prices from £5,282 to £22,879, a £17,597 spread on the same certified stone. Taylor and Hart lists it at £22,879. 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

22.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816628587
Dimensions18.97 × 14.37 × 8.77 mm
L/W Ratio1.32
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.97 mm14.37 mm22.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816628587
Side View
Table 69.0%Crown 49.9°Girdle: ThickPavilion 36.1°Culet: NoneDepth 61.0%

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: Nov 1
Current: £8,494 GBP|Low: £5,280 GBP|High: £33,808 GBP|Avg: £12,341 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 2, 2026
Retailer 5£5,282 GBP
Retailer 8£7,045 GBP
Retailer 4£7,051 GBP
Retailer 10£7,600 GBP
Retailer 7£7,901 GBP
Retailer 1£8,494 GBP
Retailer 2£10,975 GBP
Retailer 6£11,125 GBP
Retailer 3£13,497 GBP
Retailer 9£22,401 GBP
Taylor and Hart£22,879 GBP

22 data points across 11 retailers

11 retailers£5,282 GBP to £22,879 GBP

A
Cheapest Retailer
-
£5,282 GBP
B+
Retailer 2
-
£7,045 GBP
$9,440 USD
View
B+
Retailer 3
-
£7,051 GBP
$9,447 USD
View
B+
Retailer 4
-
£7,600 GBP
$10,183 USD
View
Final sale: no returns
B+
Retailer 5
-
£7,901 GBP
$10,586 USD
View
B+
Retailer 6
-
£8,494 GBP
View
Retailer 7
-
£10,975 GBP
$14,705 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
£11,125 GBP
€14,197 EUR
View
B
Retailer 9
-
£13,497 GBP
A$27,823 AUD
View
B
Retailer 10
-
£22,401 GBP
$30,015 USD
View
Most Expensive
B
Taylor and Hart
5RHTSN9 · Oct 31
£22,879 GBP
$30,656 USD
View
10 more retailers have this diamond
Prices start from £5,282 GBPSave up to £17,597 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
22.55ct Radiant
£5,282 GBP