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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG638468203

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG638468203

Diamond specifications and retailer prices

From £260 GBP
As of November 3, 2026
Save £1,486 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,746 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG638468203 or 638468203. Listed at 17 retailers as of November 3, 2026, with prices from £260 to £1,746, a £1,486 spread on the same certified stone. Do Amore Diamonds lists it at £1,746. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638468203
Dimensions7.25 × 6.16 × 4.17 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.25 mm6.16 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638468203
Side View
Table 63.0%Crown 36.8°Girdle: MED-THKPavilion 34.8°Culet: NoneDepth 67.7%

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: £1,746 GBP|Low: £231 GBP|High: £1,746 GBP|Avg: £690 GBP|+5.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 4, 2026
Retailer 13£244 GBP
Retailer 6£260 GBP
Retailer 16£302 GBP
Retailer 12£305 GBP
Retailer 3£326 GBP
Retailer 4£351 GBP
Retailer 14£439 GBP
Retailer 10£464 GBP
Retailer 2£472 GBP
Retailer 9£632 GBP
Retailer 15£765 GBP
Retailer 8£939 GBP
Retailer 5£988 GBP
Retailer 7£1,015 GBP
Retailer 11£1,079 GBP
Do Amore Diamonds£1,746 GBP

38 data points across 16 retailers

17 retailers£260 GBP to £1,746 GBP

Retailer 1
-
£244 GBP
Price last confirmed 12 days ago
A
Retailer 2
-
£260 GBP
View
A
Retailer 3
-
£302 GBP
View
A
Retailer 4
-
£305 GBP
View
B+
Retailer 5
-
£326 GBP
View
A
Retailer 6
-
£351 GBP
View
A
Retailer 7
-
£439 GBP
View
A
Retailer 8
-
£464 GBP
View
A
Retailer 9
-
£472 GBP
View
B+
Retailer 10
-
£632 GBP
View
Retailer 11
-
£765 GBP
View
Price last confirmed 16 days ago
B
Retailer 12
-
£871 GBP
View
Retailer 13
-
£939 GBP
View
Price last confirmed 11 days ago
B
Retailer 14
-
£988 GBP
View
B
Retailer 15
-
£1,015 GBP
View
B
Retailer 16
-
£1,079 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5CF8C0679 · Nov 4
£1,746 GBP
$2,350 USD
View
16 more retailers have this diamond
Prices start from £260 GBPSave up to £1,486 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
1.51ct Cushion
£260 GBP