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Cushion|Lab Grown|IGI

1.30ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG828628188

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG828628188

Diamond specifications and retailer prices

From £199 GBP
$266 USD
As of October 30, 2026
Save £936 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,134 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828628188 or 828628188. Listed at 12 retailers as of October 29, 2026, with prices from £199 to £1,134, a £936 spread on the same certified stone. Brilliant Earth lists it at £1,134. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828628188
Dimensions6.38 × 6.28 × 4.21 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.38 mm6.28 mm1.30 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828628188
Side View
Table 63.0%Crown 37.4°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 67.0%

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 30
Current: £1,134 GBP|Low: £198 GBP|High: £1,134 GBP|Avg: £498 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5£199 GBP
Retailer 8£233 GBP
Retailer 10£314 GBP
Retailer 6£328 GBP
Retailer 2£345 GBP
Retailer 12£400 GBP
Retailer 4£477 GBP
Retailer 11£603 GBP
Retailer 9£648 GBP
Retailer 3£783 GBP
Retailer 7£902 GBP
Brilliant Earth£1,134 GBP

15 data points across 12 retailers

12 retailers£199 GBP to £1,134 GBP

A
Cheapest Retailer
-
£199 GBP
$266 USD
Final sale: no returns
A
Retailer 2
-
£233 GBP
View
A
Retailer 3
-
£314 GBP
€401 EUR
View
A
Retailer 4
-
£328 GBP
$439 USD
View
A
Retailer 5
-
£345 GBP
View
A
Retailer 6
-
£400 GBP
$536 USD
View
Retailer 7
-
£477 GBP
A$983 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£603 GBP
A$1,243 AUD
View
B+
Retailer 9
-
£648 GBP
$869 USD
View
B
Retailer 10
-
£783 GBP
View
B
Retailer 11
-
£902 GBP
$1,208 USD
View
Most Expensive
B
Brilliant Earth
22335290A · Oct 29
£1,134 GBP
$1,520 USD
View
11 more retailers have this diamond
Prices start from £199 GBPSave up to £936 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
1.30ct Cushion
£199 GBP