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Cushion|Lab Grown|IGI

1.29ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG670463578

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG670463578

Diamond specifications and retailer prices

From £198 GBP
$265 USD
As of October 25, 2026
Save £459 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £798 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.29ct lab-grown cushion diamond

This 1.29ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG670463578 or 670463578. Listed at 12 retailers as of October 25, 2026, with a 232% 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

1.29
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670463578
Dimensions6.33 × 6.32 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.33 mm6.32 mm1.29 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670463578
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 66.6%

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: Oct 25
Current: £798 GBP|Low: £198 GBP|High: £830 GBP|Avg: £499 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9£198 GBP
Retailer 8£238 GBP
Retailer 6£310 GBP
Retailer 3£340 GBP
Retailer 5£366 GBP
Retailer 11£369 GBP
Retailer 10£437 GBP
Retailer 7£466 GBP
Retailer 2£657 GBP
Retailer 12£676 GBP
MOH London£798 GBP
Retailer 4£830 GBP

40 data points across 12 retailers

12 retailers£198 GBP to £657 GBP

A
Cheapest Retailer
-
£198 GBP
$265 USD
Retailer 2
-
£238 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
£310 GBP
€395 EUR
View
A
Retailer 4
-
£340 GBP
$455 USD
View
A
Retailer 5
-
£366 GBP
View
A
Retailer 6
-
£369 GBP
$494 USD
View
B+
Retailer 7
-
£437 GBP
$586 USD
View
B+
Retailer 8
-
£466 GBP
$625 USD
View
Retailer 9
-
£545 GBP
$730 USD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
£657 GBP
$880 USD
View
Retailer 11
-
£676 GBP
$906 USD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG670463578 · Oct 21
£798 GBP
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from £198 GBPSave up to £459 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
1.29ct Cushion
£198 GBP