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Asscher|Lab Grown|IGI

1.28ct E VS1 Asscher Lab Grown Diamond

EX • E/VS1 • IGI LG743555824

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG743555824

Diamond specifications and retailer prices

From £279 GBP
$372 USD
As of October 27, 2026
Save £517 GBP (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £796 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown asscher diamond

This 1.28ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG743555824 or 743555824. Listed at 7 retailers as of October 27, 2026, with prices from £279 to £796, a £517 spread on the same certified stone. MOH London lists it at £796. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743555824
Dimensions5.87 × 5.86 × 3.98 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.87 mm5.86 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG743555824
Side View
Table 61.0%Crown 37°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
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: Oct 27
Current: £796 GBP|Low: £279 GBP|High: £801 GBP|Avg: £458 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5£279 GBP
Retailer 4£313 GBP
Retailer 2£364 GBP
Retailer 6£366 GBP
Retailer 3£408 GBP
Retailer 7£765 GBP
MOH London£796 GBP

37 data points across 7 retailers

7 retailers£279 GBP to £796 GBP

A
Cheapest Retailer
-
£279 GBP
$372 USD
A
Retailer 2
-
£313 GBP
$417 USD
View
A
Retailer 3
-
£364 GBP
View
B+
Retailer 4
-
£366 GBP
$487 USD
View
B+
Retailer 5
-
£408 GBP
View
B
Retailer 6
-
£765 GBP
$1,018 USD
View
Most Expensive
B
MOH London
LG743555824 · Oct 29
£796 GBP
View
6 more retailers have this diamond
Prices start from £279 GBPSave up to £517 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 Asscher
£279 GBP