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Cushion|Lab Grown|GIA

1.28ct E IF Cushion Lab Grown Diamond

ID • E/IF • GIA 1535008463

Certificate GIA 1535008463

Diamond specifications and retailer prices

From £816 GBP
$1,086 USD
As of October 30, 2026
Save £2,368 GBP (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,183 GBP at MOH London · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1535008463. Listed at 5 retailers as of October 29, 2026, with prices from £816 to £3,183, a £2,368 spread on the same certified stone. MOH London lists it at £3,183. 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
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1535008463
Dimensions6.05 × 6.01 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
6.05 mm6.01 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535008463
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.3%

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 30
Current: £3,183 GBP|Low: £816 GBP|High: £3,183 GBP|Avg: £1,905 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4£816 GBP
Retailer 2£1,633 GBP
Retailer 5£1,825 GBP
Retailer 3£2,575 GBP
MOH London£3,183 GBP

6 data points across 5 retailers

5 retailers£816 GBP to £3,183 GBP

A
Cheapest Retailer
-
£816 GBP
$1,086 USD
Final sale: no returns
B+
Retailer 2
-
£1,633 GBP
$2,174 USD
View
B
Retailer 3
-
£1,825 GBP
$2,430 USD
View
B
Retailer 4
-
£2,575 GBP
View
Most Expensive
B
MOH London
1535008463 · Oct 29
£3,183 GBP
View
4 more retailers have this diamond
Prices start from £816 GBPSave up to £2,368 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
£816 GBP