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Cushion|Lab Grown|IGI

1.20ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG829607302

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

Certificate IGI LG829607302

Diamond specifications and retailer prices

From £186 GBP
$249 USD
As of October 30, 2026
Save £955 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,140 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.2ct lab-grown cushion diamond

This 1.2ct 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 LG829607302 or 829607302. Listed at 13 retailers as of October 30, 2026, with prices from £186 to £1,140, a £955 spread on the same certified stone. Brilliant Earth lists it at £1,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829607302
Dimensions6.09 × 6.04 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.09 mm6.04 mm1.20 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829607302
Side View
Table 61.0%Crown 36.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,140 GBP|Low: £92 GBP|High: £1,185 GBP|Avg: £478 GBP|-3.8%
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 30, 2026
Retailer 7£92 GBP
Retailer 10£186 GBP
Retailer 2£234 GBP
Retailer 6£292 GBP
Retailer 9£300 GBP
Retailer 14£312 GBP
Retailer 8£325 GBP
Retailer 13£368 GBP
Retailer 11£417 GBP
Retailer 5£458 GBP
Retailer 12£604 GBP
Retailer 15£614 GBP
Retailer 3£873 GBP
Retailer 4£876 GBP
Brilliant Earth£1,140 GBP

16 data points across 15 retailers

13 retailers£186 GBP to £1,140 GBP

A
Cheapest Retailer
-
£186 GBP
$249 USD
Final sale: no returns
A
Retailer 2
-
£234 GBP
View
A
Retailer 3
-
£300 GBP
€383 EUR
View
A
Retailer 4
-
£312 GBP
$419 USD
View
A
Retailer 5
-
£325 GBP
View
A
Retailer 6
-
£368 GBP
$494 USD
View
B+
Retailer 7
-
£417 GBP
$560 USD
View
Retailer 8
-
£458 GBP
A$945 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£604 GBP
$810 USD
View
B+
Retailer 10
-
£614 GBP
$824 USD
View
B
Retailer 11
-
£873 GBP
$1,172 USD
View
B
Retailer 12
-
£876 GBP
View
Most Expensive
B
Brilliant Earth
21016622A · Oct 30
£1,140 GBP
$1,530 USD
View
12 more retailers have this diamond
Prices start from £186 GBPSave up to £955 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
1.20ct Cushion
£186 GBP