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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG712546420

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG712546420

Diamond specifications and retailer prices

From £290 GBP
$389 USD
As of November 1, 2026
Save £1,655 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,945 GBP at Do Amore Diamonds · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG712546420 or 712546420. Listed at 14 retailers as of November 1, 2026, with prices from £290 to £1,945, a £1,655 spread on the same certified stone. Do Amore Diamonds lists it at £1,945. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle48.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712546420
Dimensions8.18 × 5.58 × 3.91 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.58 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712546420
Side View
Table 66.0%Crown 38.6°Girdle: MED-STKPavilion 48.1°Culet: LargeDepth 70.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,945 GBP|Low: £272 GBP|High: £1,945 GBP|Avg: £768 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8£272 GBP
Retailer 9£346 GBP
Retailer 3£362 GBP
Retailer 4£518 GBP
Retailer 2£536 GBP
Retailer 11£644 GBP
Retailer 6£699 GBP
Retailer 7£1,045 GBP
Retailer 10£1,170 GBP
Retailer 5£1,203 GBP
Do Amore Diamonds£1,945 GBP

41 data points across 11 retailers

14 retailers£290 GBP to £1,945 GBP

Retailer 1
-
£272 GBP
$365 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£290 GBP
$389 USD
View
A
Retailer 3
-
£346 GBP
$464 USD
View
A
Retailer 4
-
£362 GBP
$486 USD
View
A
Retailer 5
-
£387 GBP
$520 USD
View
B+
Retailer 6
-
£518 GBP
ZAR 11,220 ZAR
View
B+
Retailer 7
-
£536 GBP
View
B+
Retailer 8
-
£644 GBP
$864 USD
View
B+
Retailer 9
-
£699 GBP
A$1,444 AUD
View
B
Retailer 10
-
£1,045 GBP
$1,402 USD
View
B
Retailer 11
-
£1,085 GBP
$1,456 USD
View
B
Retailer 12
-
£1,170 GBP
View
B
Retailer 13
-
£1,203 GBP
View
Most Expensive
B
Do Amore Diamonds
27-86F0D0661 · Nov 2
£1,945 GBP
$2,610 USD
View
13 more retailers have this diamond
Prices start from £290 GBPSave up to £1,655 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
£290 GBP