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Cushion|Lab Grown|IGI

1.20ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG787660904

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

Certificate IGI LG787660904

Diamond specifications and retailer prices

From £186 GBP
$249 USD
As of November 1, 2026
Save £955 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,140 GBP at Brilliant Earth · As of October 31, 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 LG787660904 or 787660904. Listed at 16 retailers as of October 31, 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787660904
Dimensions6.31 × 6.23 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.31 mm6.23 mm1.20 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787660904
Side View
Table 61.0%Crown 33.6°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 65.0%

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 1
Current: £1,140 GBP|Low: £161 GBP|High: £1,177 GBP|Avg: £486 GBP|-3.2%
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
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Retailer 17
November 1, 2026
Retailer 2£186 GBP
Retailer 8£187 GBP
Retailer 12£233 GBP
Retailer 14£297 GBP
Retailer 10£308 GBP
Retailer 4£312 GBP
Retailer 13£325 GBP
Retailer 3£368 GBP
Retailer 15£417 GBP
Retailer 7£458 GBP
Retailer 9£464 GBP
Retailer 16£575 GBP
Retailer 17£604 GBP
Retailer 5£614 GBP
Retailer 11£835 GBP
Retailer 6£873 GBP
Brilliant Earth£1,140 GBP

18 data points across 17 retailers

16 retailers£186 GBP to £1,140 GBP

A
Cheapest Retailer
-
£186 GBP
$249 USD
Final sale: no returns
Retailer 2
-
£187 GBP
$251 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£233 GBP
View
A
Retailer 4
-
£297 GBP
€380 EUR
View
A
Retailer 5
-
£308 GBP
ZAR 6,681 ZAR
View
A
Retailer 6
-
£312 GBP
$419 USD
View
A
Retailer 7
-
£325 GBP
View
A
Retailer 8
-
£368 GBP
$494 USD
View
B+
Retailer 9
-
£417 GBP
$560 USD
View
Retailer 10
-
£458 GBP
A$945 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£575 GBP
A$1,188 AUD
View
B+
Retailer 12
-
£604 GBP
$810 USD
View
B+
Retailer 13
-
£614 GBP
$824 USD
View
B+
Retailer 14
-
£835 GBP
View
B
Retailer 15
-
£873 GBP
$1,172 USD
View
Most Expensive
B
Brilliant Earth
18700402A · Oct 31
£1,140 GBP
$1,530 USD
View
15 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