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Radiant|Lab Grown|IGI

0.99ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG618449584

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

Certificate IGI LG618449584

Diamond specifications and retailer prices

From £109 GBP
$145 USD
As of October 23, 2026
Save £428 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £633 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618449584 or 618449584. Listed at 11 retailers as of October 23, 2026, with a 393% 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
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.7°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618449584
Dimensions6.97 × 4.83 × 3.21 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.97 mm4.83 mm0.99 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618449584
Side View
Table 67.0%Crown 51.7°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 66.5%

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: Oct 23
Current: £633 GBP|Low: £87 GBP|High: £801 GBP|Avg: £425 GBP|+0.5%
MOH London
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
October 23, 2026
Retailer 10£109 GBP
Retailer 12£122 GBP
Retailer 8£237 GBP
Retailer 3£265 GBP
Retailer 2£337 GBP
Retailer 4£414 GBP
Retailer 13£437 GBP
Retailer 11£455 GBP
Retailer 6£455 GBP
Retailer 9£457 GBP
Retailer 7£518 GBP
Retailer 14£602 GBP
MOH London£633 GBP
Retailer 5£801 GBP

25 data points across 14 retailers

11 retailers£109 GBP to £537 GBP

A
Cheapest Retailer
-
£109 GBP
$145 USD
A
Retailer 2
-
£126 GBP
$168 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
£237 GBP
€301 EUR
View
B+
Retailer 4
-
£337 GBP
A$690 AUD
View
B+
Retailer 5
-
£433 GBP
$576 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£446 GBP
$594 USD
View
B+
Retailer 7
-
£455 GBP
SGD 818 SGD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
£457 GBP
$609 USD
View
B
Retailer 9
-
£518 GBP
$690 USD
View
B
Retailer 10
-
£537 GBP
View
Most Expensive
B
MOH London
LG618449584 · Oct 21
£633 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from £109 GBPSave up to £428 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
£109 GBP