Cushion|Lab Grown|IGI

1.28ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG768614853

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768614853

Diamond specifications and retailer prices

From £210 GBP
As of November 4, 2026
Save £803 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,013 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG768614853 or 768614853. Listed at 18 retailers as of November 4, 2026, with prices from £210 to £1,013, a £803 spread on the same certified stone. Reve Diamonds lists it at £1,013. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768614853
Dimensions5.75 × 5.75 × 3.71 mm
L/W Ratio1.00
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
5.75 mm5.75 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768614853
Side View
Table 61.0%Crown 34.4°Girdle: THN-VTKPavilion 36.3°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £935 GBP|Low: £210 GBP|High: £1,017 GBP|Avg: £565 GBP|-2.1%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Reve Diamonds
November 5, 2026
Retailer 4£210 GBP
Retailer 9£236 GBP
Retailer 3£256 GBP
Retailer 10£266 GBP
Retailer 12£315 GBP
Retailer 16£315 GBP
Retailer 14£404 GBP
Retailer 15£422 GBP
Retailer 11£441 GBP
Retailer 8£487 GBP
Retailer 13£573 GBP
Retailer 6£737 GBP
Retailer 5£753 GBP
Retailer 2£784 GBP
Retailer 17£790 GBP
Retailer 7£914 GBP
Retailer 1£935 GBP
Reve Diamonds£1,013 GBP

37 data points across 18 retailers

18 retailers£210 GBP to £1,013 GBP

A
Cheapest Retailer
-
£210 GBP
Final sale: no returns
Retailer 2
-
£236 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£256 GBP
View
A
Retailer 4
-
£266 GBP
View
A
Retailer 5
-
£315 GBP
View
A
Retailer 6
-
£315 GBP
View
A
Retailer 7
-
£404 GBP
View
A
Retailer 8
-
£422 GBP
View
A
Retailer 9
-
£441 GBP
View
B+
Retailer 10
-
£487 GBP
View
B+
Retailer 11
-
£573 GBP
View
Retailer 12
-
£737 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£753 GBP
View
B+
Retailer 14
-
£784 GBP
View
B
Retailer 15
-
£790 GBP
View
B
Retailer 16
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£914 GBP
View
B
Retailer 17
-
£935 GBP
View
Most Expensive
B
Reve Diamonds
ABBB000B6 · Nov 4
£1,013 GBP
$1,368 USD
View
17 more retailers have this diamond
Prices start from £210 GBPSave up to £803 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
1.28ct Cushion
£210 GBP