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Cushion|Lab Grown|IGI

1.37ct H VVS1 Cushion Lab Grown Diamond

ID • H/VVS1 • IGI LG596340521

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG596340521

Diamond specifications and retailer prices

From £1,107 GBP
$1,490 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: £1,107 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.37ct lab-grown cushion diamond

This 1.37ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG596340521 or 596340521. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596340521
Dimensions6.43 × 6.25 × 4.02 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.43 mm6.25 mm1.37 ctH / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG596340521
Side View
Table 62.0%Crown 36°Girdle: THN-VTKPavilion 33.8°Culet: NoneDepth 64.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £1,107 GBP|Low: £131 GBP|High: £1,107 GBP|Avg: £526 GBP
Brilliant Earth
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June 13, 2026
Retailer 2£131 GBP
Retailer 8£209 GBP
Retailer 3£262 GBP
Retailer 14£305 GBP
Retailer 15£322 GBP
Retailer 4£399 GBP
Retailer 11£428 GBP
Retailer 6£467 GBP
Retailer 12£609 GBP
Retailer 13£609 GBP
Retailer 10£643 GBP
Retailer 7£713 GBP
Retailer 9£754 GBP
Retailer 5£759 GBP
Brilliant Earth£1,107 GBP

47 data points across 15 retailers

1 retailer

B
Brilliant Earth
13749996A · Nov 4
£1,107 GBP
$1,490 USD
View

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B
1.37ct Cushion
£1,107 GBP