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Cushion|Lab Grown|IGI

1.21ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG770688108

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

Certificate IGI LG770688108

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of October 30, 2026
Save £707 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £864 GBP at Reve Diamonds · As of October 30, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770688108 or 770688108. Listed at 16 retailers as of October 30, 2026, with prices from £157 to £864, a £707 spread on the same certified stone. Reve Diamonds lists it at £864. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770688108
Dimensions6.16 × 6.01 × 6.16 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.16 mm6.01 mm1.21 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770688108
Side View
Table 57.0%Crown 34.7°Girdle: STK-THKPavilion 30.7°Culet: NoneDepth 61.4%

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: Oct 30
Current: £500 GBP|Low: £116 GBP|High: £864 GBP|Avg: £449 GBP|-24.7%
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
Reve Diamonds
October 30, 2026
Retailer 3£157 GBP
Retailer 5£235 GBP
Retailer 8£296 GBP
Retailer 7£317 GBP
Retailer 14£326 GBP
Retailer 4£358 GBP
Retailer 12£392 GBP
Retailer 13£447 GBP
Retailer 10£470 GBP
Retailer 1£500 GBP
Retailer 11£507 GBP
Retailer 6£568 GBP
Retailer 2£602 GBP
Retailer 9£821 GBP
Reve Diamonds£864 GBP

43 data points across 15 retailers

16 retailers£157 GBP to £864 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
Final sale: no returns
B+
Retailer 2
-
£235 GBP
$315 USD
View
A
Retailer 3
-
£296 GBP
€378 EUR
View
A
Retailer 4
-
£317 GBP
View
A
Retailer 5
-
£326 GBP
$437 USD
View
B+
Retailer 6
-
£358 GBP
$480 USD
View
B+
Retailer 7
-
£392 GBP
A$808 AUD
View
B+
Retailer 8
-
£447 GBP
$599 USD
View
B+
Retailer 9
-
£470 GBP
$630 USD
View
Retailer 10
-
£496 GBP
$665 USD
View
Price last confirmed 109 days ago
B+
Retailer 11
-
£500 GBP
$670 USD
View
B+
Retailer 12
-
£507 GBP
A$1,045 AUD
View
B
Retailer 13
-
£568 GBP
SGD 1,029 SGD
View
B
Retailer 14
-
£602 GBP
$806 USD
View
B
Retailer 15
-
£821 GBP
View
Most Expensive
B
Reve Diamonds
34753A1B1 · Oct 30
£864 GBP
$1,158 USD
View
15 more retailers have this diamond
Prices start from £157 GBPSave up to £707 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
£157 GBP