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Cushion|Lab Grown|IGI

1.50ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG806631161

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG806631161

Diamond specifications and retailer prices

From £247 GBP
As of November 4, 2026
Save £1,722 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,162 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG806631161 or 806631161. Listed at 18 retailers as of November 4, 2026, with a 696% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806631161
Dimensions6.78 × 6.56 × 4.45 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm6.56 mm1.50 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806631161
Side View
Table 61.0%Crown 36.5°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £352 GBP|Low: £247 GBP|High: £1,486 GBP|Avg: £731 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4£247 GBP
Retailer 11£275 GBP
Retailer 1£352 GBP
Retailer 8£522 GBP
Retailer 3£523 GBP
Retailer 5£537 GBP
Retailer 7£712 GBP
Retailer 10£727 GBP
Retailer 12£1,056 GBP
Retailer 2£1,177 GBP
Retailer 6£1,212 GBP
Retailer 9£1,419 GBP

37 data points across 12 retailers

18 retailers£247 GBP to £1,969 GBP

A
Cheapest Retailer
-
£247 GBP
Final sale: no returns
Retailer 2
-
£275 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
£305 GBP
View
A
Retailer 4
-
£352 GBP
View
A
Retailer 5
-
£367 GBP
View
A
Retailer 6
-
£390 GBP
View
B+
Retailer 7
-
£522 GBP
View
B+
Retailer 8
-
£523 GBP
View
B+
Retailer 9
-
£537 GBP
View
B+
Retailer 10
-
£712 GBP
View
Retailer 11
-
£727 GBP
View
Price last confirmed 8 days ago
B
Retailer 12
-
£1,056 GBP
View
B
Retailer 13
-
£1,094 GBP
View
B
Retailer 14
-
£1,116 GBP
View
B
Retailer 15
-
£1,212 GBP
View
B
Retailer 16
-
£1,419 GBP
View
B
Retailer 17
-
£1,969 GBP
View
Most Expensive
Do Amore Diamonds
23-806631161 · Nov 4
£2,162 GBP
$2,910 USD
View
Price under review
17 more retailers have this diamond
Prices start from £247 GBPSave up to £1,722 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
1.50ct Cushion
£247 GBP