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Cushion|Lab Grown|IGI

1.05ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG689562083

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689562083

Diamond specifications and retailer prices

From £525 GBP
As of November 2, 2026
16 retailers carry this diamond
Most expensive: £832 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG689562083 or 689562083. Listed at 16 retailers as of November 2, 2026. 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 angle35°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562083
Dimensions7.00 × 5.37 × 3.56 mm
L/W Ratio1.30
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
7.00 mm5.37 mm1.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562083
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 66.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £832 GBP|Low: £136 GBP|High: £862 GBP|Avg: £411 GBP|-3.4%
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
Retailer 16
Retailer 17
October 27, 2026
Retailer 3£137 GBP
Retailer 17£153 GBP
Retailer 12£258 GBP
Retailer 9£267 GBP
Retailer 10£269 GBP
Retailer 2£270 GBP
Retailer 15£276 GBP
Retailer 7£296 GBP
Retailer 13£334 GBP
Retailer 14£398 GBP
Retailer 5£450 GBP
Retailer 6£488 GBP
Retailer 8£514 GBP
Retailer 4£531 GBP
Retailer 11£715 GBP
Retailer 16£805 GBP
Brilliant Earth£832 GBP

35 data points across 17 retailers

16 retailers

Retailer 1
-
£153 GBP
Price last confirmed 12 days ago
Retailer 2
-
£258 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
£267 GBP
View
Price last confirmed 10 days ago
Retailer 4
-
£269 GBP
View
Price last confirmed 10 days ago
Retailer 5
-
£270 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£276 GBP
View
Price last confirmed 12 days ago
Retailer 7
-
£296 GBP
View
Price last confirmed 23 days ago
Retailer 8
-
£334 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
£398 GBP
View
Price last confirmed 11 days ago
Retailer 10
-
£450 GBP
View
Price last confirmed 23 days ago
Retailer 11
-
£488 GBP
View
Price last confirmed 32 days ago
B
Retailer 12
-
£525 GBP
View
Retailer 13
-
£531 GBP
View
Price last confirmed 10 days ago
Retailer 14
-
£715 GBP
View
Price last confirmed 11 days ago
Retailer 15
-
£805 GBP
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
20627886A · Oct 26
£832 GBP
$1,120 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from £525 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.

B
1.05ct Cushion
£525 GBP