Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG635414418

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

Certificate IGI LG635414418

Diamond specifications and retailer prices

From £170 GBP
$228 USD
As of October 25, 2026
Save £629 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £799 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG635414418 or 635414418. Listed at 16 retailers as of October 25, 2026, with prices from £170 to £799, a £629 spread on the same certified stone. MOH London lists it at £799. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635414418
Dimensions7.85 × 5.27 × 3.55 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.85 mm5.27 mm1.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635414418
Side View
Table 66.0%Crown 30.5°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £799 GBP|Low: £156 GBP|High: £804 GBP|Avg: £398 GBP|+2.6%
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 30, 2026
Retailer 5£156 GBP
Retailer 6£164 GBP
Retailer 12£170 GBP
Retailer 11£204 GBP
Retailer 4£300 GBP
Retailer 7£307 GBP
Retailer 10£320 GBP
Retailer 14£357 GBP
Retailer 13£412 GBP
Retailer 9£474 GBP
Retailer 8£577 GBP
Retailer 3£587 GBP
Retailer 2£590 GBP
MOH London£799 GBP

41 data points across 14 retailers

16 retailers£170 GBP to £799 GBP

Retailer 1
-
£156 GBP
$209 USD
Price last confirmed 33 days ago
Retailer 2
-
£164 GBP
$220 USD
View
Price last confirmed 33 days ago
Retailer 3
-
£170 GBP
$228 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
£170 GBP
$228 USD
View
Retailer 5
-
£204 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
£300 GBP
$402 USD
View
A
Retailer 7
-
£307 GBP
View
A
Retailer 8
-
£320 GBP
€408 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£357 GBP
$478 USD
View
B+
Retailer 10
-
£412 GBP
$552 USD
View
Retailer 11
-
£474 GBP
$635 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£540 GBP
View
B
Retailer 13
-
£577 GBP
$773 USD
View
Retailer 14
-
£587 GBP
$786 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£590 GBP
$790 USD
View
Most Expensive
B
MOH London
LG635414418 · Oct 29
£799 GBP
View
15 more retailers have this diamond
Prices start from £170 GBPSave up to £629 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
1.28ct Radiant
£170 GBP