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Cushion|Lab Grown|IGI

1.05ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG665409361

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665409361

Diamond specifications and retailer prices

From £150 GBP
As of November 3, 2026
Save £692 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £842 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 LG665409361 or 665409361. Listed at 15 retailers as of November 3, 2026, with prices from £150 to £842, a £692 spread on the same certified stone. Reve Diamonds lists it at £842. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409361
Dimensions6.84 × 5.39 × 3.51 mm
L/W Ratio1.27
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
6.84 mm5.39 mm1.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409361
Side View
Table 63.0%Crown 38.7°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.1%

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 3
Current: £297 GBP|Low: £149 GBP|High: £842 GBP|Avg: £400 GBP|+3.4%
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 12£150 GBP
Retailer 3£167 GBP
Retailer 13£271 GBP
Retailer 10£288 GBP
Retailer 14£295 GBP
Retailer 1£297 GBP
Retailer 11£319 GBP
Retailer 2£345 GBP
Retailer 9£447 GBP
Retailer 5£450 GBP
Retailer 8£483 GBP
Retailer 6£571 GBP
Retailer 4£577 GBP
Retailer 7£777 GBP
Reve Diamonds£842 GBP

44 data points across 15 retailers

15 retailers£150 GBP to £842 GBP

A
Cheapest Retailer
-
£150 GBP
Final sale: no returns
Retailer 2
-
£167 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
£271 GBP
View
A
Retailer 4
-
£288 GBP
View
A
Retailer 5
-
£295 GBP
View
A
Retailer 6
-
£297 GBP
View
B+
Retailer 7
-
£319 GBP
View
B+
Retailer 8
-
£345 GBP
View
B+
Retailer 9
-
£447 GBP
View
Retailer 10
-
£450 GBP
View
Price last confirmed 23 days ago
B+
Retailer 11
-
£483 GBP
View
B
Retailer 12
-
£577 GBP
View
B
Retailer 13
-
£583 GBP
View
B
Retailer 14
-
£777 GBP
View
Most Expensive
B
Reve Diamonds
4D0A18472 · Nov 4
£842 GBP
$1,133 USD
View
14 more retailers have this diamond
Prices start from £150 GBPSave up to £692 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
£150 GBP