Cushion|Lab Grown|IGI

1.28ct E VVS2 Cushion Lab Grown Diamond

EX • E/VVS2 • IGI LG791610307

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG791610307

Diamond specifications and retailer prices

From £162 GBP
$217 USD
As of October 30, 2026
Save £905 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,067 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791610307 or 791610307. Listed at 13 retailers as of October 29, 2026, with prices from £162 to £1,067, a £905 spread on the same certified stone. Brilliant Earth lists it at £1,067. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791610307
Dimensions7.59 × 5.91 × 3.84 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.59 mm5.91 mm1.28 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791610307
Side View
Table 64.0%Crown 28.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 65.0%

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 30
Current: £1,067 GBP|Low: £162 GBP|High: £1,105 GBP|Avg: £490 GBP|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 3£162 GBP
Retailer 6£182 GBP
Retailer 12£222 GBP
Retailer 9£310 GBP
Retailer 4£315 GBP
Retailer 8£323 GBP
Retailer 2£329 GBP
Retailer 14£387 GBP
Retailer 13£422 GBP
Retailer 10£440 GBP
Retailer 15£620 GBP
Retailer 7£660 GBP
Retailer 11£845 GBP
Retailer 5£879 GBP
Brilliant Earth£1,067 GBP

37 data points across 15 retailers

13 retailers£162 GBP to £1,067 GBP

A
Cheapest Retailer
-
£162 GBP
$217 USD
Final sale: no returns
Retailer 2
-
£222 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
£310 GBP
ZAR 6,703 ZAR
View
A
Retailer 4
-
£315 GBP
$422 USD
View
A
Retailer 5
-
£323 GBP
€412 EUR
View
A
Retailer 6
-
£329 GBP
View
A
Retailer 7
-
£387 GBP
$519 USD
View
A
Retailer 8
-
£422 GBP
$565 USD
View
A
Retailer 9
-
£440 GBP
A$907 AUD
View
B+
Retailer 10
-
£620 GBP
$830 USD
View
B
Retailer 11
-
£845 GBP
View
B
Retailer 12
-
£879 GBP
$1,177 USD
View
Most Expensive
B
Brilliant Earth
18979203A · Oct 29
£1,067 GBP
$1,430 USD
View
12 more retailers have this diamond
Prices start from £162 GBPSave up to £905 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
£162 GBP