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Cushion|Lab Grown|IGI

1.28ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG628442148

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG628442148

Diamond specifications and retailer prices

From £298 GBP
$399 USD
As of November 1, 2026
Save £493 GBP (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £790 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion 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 LG628442148 or 628442148. Listed at 10 retailers as of November 1, 2026, with prices from £298 to £790, a £493 spread on the same certified stone. MOH London lists it at £790. 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 angle28.8°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628442148
Dimensions7.28 × 5.84 × 3.94 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
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
7.28 mm5.84 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628442148
Side View
Table 66.0%Crown 28.8°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 67.5%

Caratlytics Score

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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: Nov 1
Current: £790 GBP|Low: £172 GBP|High: £993 GBP|Avg: £439 GBP|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10£190 GBP
Retailer 7£203 GBP
Retailer 3£298 GBP
Retailer 6£298 GBP
Retailer 2£305 GBP
Retailer 5£366 GBP
Retailer 8£411 GBP
Retailer 9£584 GBP
Retailer 4£672 GBP
MOH London£790 GBP

37 data points across 10 retailers

10 retailers£298 GBP to £790 GBP

Retailer 1
-
£190 GBP
$255 USD
Price last confirmed 20 days ago
Retailer 2
-
£203 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
£298 GBP
$399 USD
View
A
Retailer 4
-
£298 GBP
€380 EUR
View
A
Retailer 5
-
£305 GBP
View
A
Retailer 6
-
£366 GBP
$490 USD
View
A
Retailer 7
-
£411 GBP
$551 USD
View
Retailer 8
-
£584 GBP
$782 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
£672 GBP
$900 USD
View
Most Expensive
B
MOH London
LG628442148 · Nov 1
£790 GBP
View
9 more retailers have this diamond
Prices start from £298 GBPSave up to £493 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 Cushion
£298 GBP