Cushion|Lab Grown|IGI

1.21ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG845637172

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

Certificate IGI LG845637172

Diamond specifications and retailer prices

From £183 GBP
$245 USD
As of November 1, 2026
Save £974 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,157 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845637172 or 845637172. Listed at 14 retailers as of October 31, 2026, with prices from £183 to £1,157, a £974 spread on the same certified stone. Brilliant Earth lists it at £1,157. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845637172
Dimensions6.22 × 5.97 × 3.84 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.22 mm5.97 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845637172
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,157 GBP|Low: £183 GBP|High: £1,157 GBP|Avg: £512 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
November 1, 2026
Retailer 3£183 GBP
Retailer 13£229 GBP
Retailer 9£266 GBP
Retailer 6£275 GBP
Retailer 11£328 GBP
Retailer 2£351 GBP
Retailer 10£375 GBP
Retailer 12£381 GBP
Retailer 4£659 GBP
Retailer 14£693 GBP
Retailer 5£700 GBP
Retailer 7£815 GBP
Retailer 8£938 GBP
Brilliant Earth£1,157 GBP

3 data points across 14 retailers

14 retailers£183 GBP to £1,157 GBP

A
Cheapest Retailer
-
£183 GBP
$245 USD
Final sale: no returns
A
Retailer 2
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 3
-
£266 GBP
View
A
Retailer 4
-
£275 GBP
$368 USD
View
A
Retailer 5
-
£328 GBP
€419 EUR
View
A
Retailer 6
-
£351 GBP
ZAR 7,603 ZAR
View
A
Retailer 7
-
£375 GBP
View
A
Retailer 8
-
£381 GBP
$510 USD
View
B
Retailer 9
-
£659 GBP
SGD 1,194 SGD
View
B
Retailer 10
-
£693 GBP
$929 USD
View
B
Retailer 11
-
£700 GBP
$938 USD
View
B
Retailer 12
-
£815 GBP
View
B
Retailer 13
-
£938 GBP
$1,257 USD
View
Most Expensive
B
Brilliant Earth
22384272A · Oct 31
£1,157 GBP
$1,550 USD
View
13 more retailers have this diamond
Prices start from £183 GBPSave up to £974 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
£183 GBP