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Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG638468183

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

Certificate IGI LG638468183

Diamond specifications and retailer prices

From £186 GBP
As of November 4, 2026
Save £736 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £922 GBP at MOH London · As of November 2, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638468183 or 638468183. Listed at 17 retailers as of November 2, 2026, with prices from £186 to £922, a £736 spread on the same certified stone. MOH London lists it at £922. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638468183
Dimensions7.74 × 5.32 × 3.70 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm5.32 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638468183
Side View
Table 64.0%Crown 39.7°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £922 GBP|Low: £178 GBP|High: £933 GBP|Avg: £448 GBP|-1.1%
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
Retailer 15
Retailer 16
November 4, 2026
Retailer 13£186 GBP
Retailer 5£208 GBP
Retailer 3£216 GBP
Retailer 4£230 GBP
Retailer 14£230 GBP
Retailer 2£274 GBP
Retailer 11£348 GBP
Retailer 6£380 GBP
Retailer 16£384 GBP
Retailer 8£419 GBP
Retailer 9£433 GBP
Retailer 10£526 GBP
Retailer 12£707 GBP
Retailer 15£740 GBP
Retailer 7£891 GBP
MOH London£922 GBP

43 data points across 16 retailers

17 retailers£186 GBP to £922 GBP

A
Cheapest Retailer
-
£186 GBP
A
Retailer 2
-
£208 GBP
View
Final sale: no returns
A
Retailer 3
-
£216 GBP
View
Retailer 4
-
£230 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£230 GBP
View
A
Retailer 6
-
£274 GBP
View
A
Retailer 7
-
£348 GBP
View
B+
Retailer 8
-
£380 GBP
View
B+
Retailer 9
-
£384 GBP
View
B+
Retailer 10
-
£419 GBP
View
B+
Retailer 11
-
£433 GBP
View
B+
Retailer 12
-
£526 GBP
View
B
Retailer 13
-
£707 GBP
View
B
Retailer 14
-
£740 GBP
View
Retailer 15
-
£778 GBP
View
Price last confirmed 18 days ago
B
Retailer 16
-
£891 GBP
View
Most Expensive
B
MOH London
LG638468183 · Nov 2
£922 GBP
View
16 more retailers have this diamond
Prices start from £186 GBPSave up to £736 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
£186 GBP