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Cushion|Lab Grown|IGI

1.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG530221759

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG530221759

Diamond specifications and retailer prices

From £214 GBP
$287 USD
As of November 1, 2026
Save £737 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £951 GBP at MOH London · As of November 1, 2026
View at MOH London

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG530221759 or 530221759. Listed at 11 retailers as of November 1, 2026, with prices from £214 to £951, a £737 spread on the same certified stone. MOH London lists it at £951. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530221759
Dimensions7.17 × 7.14 × 4.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.17 mm7.14 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530221759
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

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 1
Current: £951 GBP|Low: £214 GBP|High: £962 GBP|Avg: £536 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11£214 GBP
Retailer 7£237 GBP
Retailer 8£369 GBP
Retailer 12£379 GBP
Retailer 9£396 GBP
Retailer 2£410 GBP
Retailer 10£489 GBP
Retailer 5£553 GBP
Retailer 4£636 GBP
Retailer 6£760 GBP
Retailer 3£920 GBP
MOH London£951 GBP

23 data points across 12 retailers

11 retailers£214 GBP to £951 GBP

A
Cheapest Retailer
-
£214 GBP
$287 USD
Final sale: no returns
Retailer 2
-
£237 GBP
$318 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£369 GBP
$495 USD
View
A
Retailer 4
-
£379 GBP
$509 USD
View
A
Retailer 5
-
£396 GBP
$531 USD
View
A
Retailer 6
-
£410 GBP
ZAR 8,879 ZAR
View
A
Retailer 7
-
£489 GBP
$656 USD
View
A
Retailer 8
-
£553 GBP
A$1,142 AUD
View
B+
Retailer 9
-
£760 GBP
$1,020 USD
View
B
Retailer 10
-
£801 GBP
$1,075 USD
View
Most Expensive
B
MOH London
LG530221759 · Nov 1
£951 GBP
View
10 more retailers have this diamond
Prices start from £214 GBPSave up to £737 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
£214 GBP