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Cushion|Lab Grown|IGI

1.27ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG791610315

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG791610315

Diamond specifications and retailer prices

From £164 GBP
As of November 6, 2026
Save £732 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £897 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.27ct lab-grown cushion diamond

This 1.27ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791610315 or 791610315. Listed at 15 retailers as of November 6, 2026, with prices from £164 to £897, a £732 spread on the same certified stone. Brilliant Earth lists it at £897. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791610315
Dimensions7.51 × 5.76 × 3.80 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm5.76 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791610315
Side View
Table 65.0%Crown 30.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £897 GBP|Low: £164 GBP|High: £1,009 GBP|Avg: £466 GBP|-11.1%
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
November 7, 2026
Retailer 14£164 GBP
Retailer 2£182 GBP
Retailer 10£244 GBP
Retailer 12£309 GBP
Retailer 4£317 GBP
Retailer 6£319 GBP
Retailer 11£329 GBP
Retailer 13£376 GBP
Retailer 7£425 GBP
Retailer 5£448 GBP
Retailer 15£625 GBP
Retailer 8£676 GBP
Retailer 9£847 GBP
Retailer 3£884 GBP
Brilliant Earth£897 GBP

38 data points across 15 retailers

15 retailers£164 GBP to £897 GBP

A
Cheapest Retailer
-
£164 GBP
Final sale: no returns
A
Retailer 2
-
£182 GBP
View
A
Retailer 3
-
£244 GBP
View
A
Retailer 4
-
£309 GBP
View
A
Retailer 5
-
£317 GBP
View
A
Retailer 6
-
£319 GBP
View
A
Retailer 7
-
£329 GBP
View
A
Retailer 8
-
£376 GBP
View
B+
Retailer 9
-
£425 GBP
View
B+
Retailer 10
-
£448 GBP
View
B+
Retailer 11
-
£625 GBP
View
B
Retailer 12
-
£676 GBP
View
B
Retailer 13
-
£847 GBP
View
B
Retailer 14
-
£884 GBP
View
Most Expensive
B
Brilliant Earth
18979240A · Nov 6
£897 GBP
$1,200 USD
View
14 more retailers have this diamond
Prices start from £164 GBPSave up to £732 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
1.27ct Cushion
£164 GBP