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Cushion|Lab Grown|IGI

1.21ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG831648757

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831648757

Diamond specifications and retailer prices

From £142 GBP
As of November 4, 2026
Save £677 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £819 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct 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 LG831648757 or 831648757. Listed at 16 retailers as of November 4, 2026, with prices from £142 to £819, a £677 spread on the same certified stone. Reve Diamonds lists it at £819. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.4°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648757
Dimensions6.84 × 5.23 × 3.68 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm5.23 mm1.21 ctE / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648757
Side View
Table 65.0%Crown 39.4°Girdle: THN-STKPavilion 30.8°Culet: NoneDepth 70.4%

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: Nov 4
Current: £344 GBP|Low: £142 GBP|High: £1,007 GBP|Avg: £435 GBP|-0.2%
Retailer 1
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
Reve Diamonds
November 5, 2026
Retailer 10£142 GBP
Retailer 7£180 GBP
Retailer 9£193 GBP
Retailer 15£263 GBP
Retailer 5£273 GBP
Retailer 8£278 GBP
Retailer 12£283 GBP
Retailer 1£344 GBP
Retailer 13£401 GBP
Retailer 2£521 GBP
Retailer 14£522 GBP
Retailer 6£533 GBP
Retailer 11£549 GBP
Retailer 3£556 GBP
Retailer 4£757 GBP
Reve Diamonds£819 GBP

36 data points across 16 retailers

16 retailers£142 GBP to £819 GBP

A
Cheapest Retailer
-
£142 GBP
Final sale: no returns
A
Retailer 2
-
£180 GBP
View
A
Retailer 3
-
£193 GBP
View
A
Retailer 4
-
£263 GBP
View
Retailer 5
-
£273 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
£278 GBP
View
A
Retailer 7
-
£283 GBP
View
A
Retailer 8
-
£344 GBP
View
B+
Retailer 9
-
£401 GBP
View
B+
Retailer 10
-
£521 GBP
View
B+
Retailer 11
-
£522 GBP
View
Retailer 12
-
£533 GBP
View
Price last confirmed 22 days ago
B+
Retailer 13
-
£549 GBP
View
B+
Retailer 14
-
£556 GBP
View
Retailer 15
-
£757 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
397ACAC6E · Nov 4
£819 GBP
$1,105 USD
View
15 more retailers have this diamond
Prices start from £142 GBPSave up to £677 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
1.21ct Cushion
£142 GBP