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Cushion|Lab Grown|IGI

1.51ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG618440467

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG618440467

Diamond specifications and retailer prices

From £314 GBP
As of November 4, 2026
Save £1,130 GBP (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,444 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG618440467 or 618440467. Listed at 4 retailers as of November 2, 2026, with prices from £314 to £1,444, a £1,130 spread on the same certified stone. Do Amore Diamonds lists it at £1,444. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618440467
Dimensions8.20 × 5.87 × 4.02 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.20 mm5.87 mm1.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618440467
Side View
Table 60.0%Crown 34.8°Girdle: THN-STKPavilion 36.9°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £1,444 GBP|Low: £314 GBP|High: £1,607 GBP|Avg: £747 GBP|-10.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 2£314 GBP
Retailer 5£381 GBP
Retailer 4£480 GBP
Retailer 3£824 GBP
Retailer 6£848 GBP
Do Amore Diamonds£1,444 GBP

16 data points across 6 retailers

4 retailers£314 GBP to £1,444 GBP

B+
Cheapest Retailer
-
£314 GBP
Retailer 2
-
£480 GBP
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£824 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0488D3B6B · Nov 2
£1,444 GBP
$1,950 USD
View
3 more retailers have this diamond
Prices start from £314 GBPSave up to £1,130 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+
1.51ct Cushion
£314 GBP