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Cushion|Lab Grown|IGI

1.05ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG718505228

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG718505228

Diamond specifications and retailer prices

From £135 GBP
As of November 5, 2026
Save £664 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £799 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG718505228 or 718505228. Listed at 16 retailers as of November 4, 2026, with prices from £135 to £799, a £664 spread on the same certified stone. Reve Diamonds lists it at £799. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG718505228
Dimensions7.71 × 5.19 × 3.32 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm5.19 mm1.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG718505228
Side View
Table 64.0%Crown 31.9°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £261 GBP|Low: £135 GBP|High: £799 GBP|Avg: £415 GBP|+2.9%
Retailer 1
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
Reve Diamonds
November 5, 2026
Retailer 14£135 GBP
Retailer 5£212 GBP
Retailer 8£251 GBP
Retailer 1£261 GBP
Retailer 3£273 GBP
Retailer 10£285 GBP
Retailer 2£308 GBP
Retailer 9£389 GBP
Retailer 6£410 GBP
Retailer 11£450 GBP
Retailer 13£507 GBP
Retailer 4£523 GBP
Retailer 7£701 GBP
Retailer 12£706 GBP
Reve Diamonds£799 GBP

39 data points across 15 retailers

16 retailers£135 GBP to £799 GBP

A
Cheapest Retailer
-
£135 GBP
Final sale: no returns
A
Retailer 2
-
£171 GBP
View
B+
Retailer 3
-
£212 GBP
View
A
Retailer 4
-
£251 GBP
View
A
Retailer 5
-
£261 GBP
View
A
Retailer 6
-
£273 GBP
View
A
Retailer 7
-
£285 GBP
View
A
Retailer 8
-
£308 GBP
View
B+
Retailer 9
-
£389 GBP
View
B+
Retailer 10
-
£410 GBP
View
Retailer 11
-
£450 GBP
View
Price last confirmed 32 days ago
B+
Retailer 12
-
£517 GBP
View
B
Retailer 13
-
£523 GBP
View
B
Retailer 14
-
£701 GBP
View
Retailer 15
-
£706 GBP
View
Price last confirmed 29 days ago
Most Expensive
B
Reve Diamonds
C5C2D16ED · Nov 4
£799 GBP
$1,075 USD
View
15 more retailers have this diamond
Prices start from £135 GBPSave up to £664 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
1.05ct Cushion
£135 GBP