Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG825616223

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

Certificate IGI LG825616223

Diamond specifications and retailer prices

From £160 GBP
$213 USD
As of October 29, 2026
Save £450 GBP (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £837 GBP at MOH London · As of October 21, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825616223 or 825616223. Listed at 13 retailers as of October 29, 2026, with a 282% 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

1.28
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825616223
Dimensions8.41 × 5.25 × 3.30 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm5.25 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825616223
Side View
Table 67.0%Crown 41.7°Girdle: MediumPavilion 33.6°Culet: NoneDepth 62.9%

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 29
Current: £837 GBP|Low: £137 GBP|High: £1,039 GBP|Avg: £471 GBP|-3.1%
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 29, 2026
Retailer 8£160 GBP
Retailer 10£218 GBP
Retailer 4£242 GBP
Retailer 14£295 GBP
Retailer 3£306 GBP
Retailer 7£321 GBP
Retailer 5£443 GBP
Retailer 12£457 GBP
Retailer 11£574 GBP
Retailer 9£581 GBP
Retailer 2£610 GBP
Retailer 6£666 GBP
Retailer 13£680 GBP
MOH London£837 GBP

33 data points across 14 retailers

13 retailers£160 GBP to £610 GBP

A
Cheapest Retailer
-
£160 GBP
$213 USD
Final sale: no returns
A
Retailer 2
-
£218 GBP
View
B+
Retailer 3
-
£242 GBP
$322 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
£306 GBP
ZAR 6,589 ZAR
View
Price last confirmed 11 days ago
A
Retailer 5
-
£321 GBP
View
B+
Retailer 6
-
£443 GBP
A$907 AUD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£457 GBP
$608 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£574 GBP
$765 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£581 GBP
SGD 1,045 SGD
View
B+
Retailer 10
-
£610 GBP
$813 USD
View
B
Retailer 11
-
£666 GBP
A$1,364 AUD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
£680 GBP
$905 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG825616223 · Oct 21
£837 GBP
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from £160 GBPSave up to £450 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
£160 GBP