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Radiant|Lab Grown|IGI

0.99ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG828654976

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

Certificate IGI LG828654976

Diamond specifications and retailer prices

From £235 GBP
As of October 27, 2026
Save £265 GBP (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £765 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828654976 or 828654976. Listed at 13 retailers as of October 27, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828654976
Dimensions7.28 × 4.78 × 3.27 mm
L/W Ratio1.52
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm4.78 mm0.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828654976
Side View
Table 66.0%Crown 36.4°Girdle: Slightly ThickPavilion 30.6°Culet: NoneDepth 68.4%

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 27
Current: £344 GBP|Low: £123 GBP|High: £765 GBP|Avg: £337 GBP|-25.6%
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
Reve Diamonds
November 2, 2026
Retailer 3£123 GBP
Retailer 2£176 GBP
Retailer 10£235 GBP
Retailer 14£236 GBP
Retailer 9£247 GBP
Retailer 5£247 GBP
Retailer 4£251 GBP
Retailer 8£259 GBP
Retailer 13£309 GBP
Retailer 12£340 GBP
Retailer 1£344 GBP
Retailer 6£480 GBP
Retailer 7£499 GBP
Retailer 11£639 GBP
Reve Diamonds£765 GBP

41 data points across 15 retailers

13 retailers£235 GBP to £499 GBP

A
Cheapest Retailer
-
£235 GBP
A
Retailer 2
-
£236 GBP
€302 EUR
View
A
Retailer 3
-
£247 GBP
ZAR 5,344 ZAR
View
A
Retailer 4
-
£247 GBP
$331 USD
View
Retailer 5
-
£251 GBP
$337 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£259 GBP
View
B+
Retailer 7
-
£309 GBP
$415 USD
View
Retailer 8
-
£340 GBP
A$701 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£344 GBP
$462 USD
View
B+
Retailer 10
-
£480 GBP
$644 USD
View
B
Retailer 11
-
£499 GBP
$670 USD
View
Retailer 12
-
£639 GBP
View
Price last confirmed 7 days ago
Most Expensive
Reve Diamonds
A5DDC62BF · Oct 25
£765 GBP
$1,026 USD
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from £235 GBPSave up to £265 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
0.99ct Radiant
£235 GBP