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Cushion|Lab Grown|IGI

1.00ct E VVS2 Cushion Lab Grown Diamond

EX • E/VVS2 • IGI LG678529322

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678529322

Diamond specifications and retailer prices

From £132 GBP
$176 USD
As of October 30, 2026
Save £664 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £841 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG678529322 or 678529322. Listed at 15 retailers as of October 30, 2026, with a 503% 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

1.00
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678529322
Dimensions6.75 × 5.46 × 3.69 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.75 mm5.46 mm1.00 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678529322
Side View
Table 65.0%Crown 28.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 67.6%

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: £841 GBP|Low: £132 GBP|High: £841 GBP|Avg: £394 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5£132 GBP
Retailer 13£147 GBP
Retailer 15£181 GBP
Retailer 3£252 GBP
Retailer 11£253 GBP
Retailer 2£259 GBP
Retailer 6£268 GBP
Retailer 9£270 GBP
Retailer 10£280 GBP
Retailer 12£359 GBP
Retailer 16£386 GBP
Retailer 4£515 GBP
Retailer 14£690 GBP
Retailer 8£721 GBP
Retailer 7£797 GBP
Brilliant Earth£841 GBP

36 data points across 16 retailers

15 retailers£132 GBP to £797 GBP

A
Cheapest Retailer
-
£132 GBP
$176 USD
Final sale: no returns
A
Retailer 2
-
£147 GBP
$196 USD
View
Retailer 3
-
£181 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£252 GBP
$336 USD
View
A
Retailer 5
-
£253 GBP
ZAR 5,447 ZAR
View
A
Retailer 6
-
£259 GBP
View
A
Retailer 7
-
£268 GBP
$357 USD
View
A
Retailer 8
-
£270 GBP
€343 EUR
View
A
Retailer 9
-
£280 GBP
View
B+
Retailer 10
-
£359 GBP
A$736 AUD
View
B+
Retailer 11
-
£386 GBP
$514 USD
View
B+
Retailer 12
-
£515 GBP
$686 USD
View
B
Retailer 13
-
£690 GBP
View
B
Retailer 14
-
£797 GBP
$1,061 USD
View
Most Expensive
Brilliant Earth
12966716A · Oct 21
£841 GBP
$1,120 USD
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from £132 GBPSave up to £664 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
1.00ct Cushion
£132 GBP