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Cushion|Lab Grown|IGI

1.01ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG799609016

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG799609016

Diamond specifications and retailer prices

From £321 GBP
$430 USD
As of November 1, 2026
Save £313 GBP (49%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £634 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799609016 or 799609016. Listed at 3 retailers as of October 31, 2026, with prices from £321 to £634, a £313 spread on the same certified stone. Brilliant Earth lists it at £634. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799609016
Dimensions6.90 × 5.31 × 3.32 mm
L/W Ratio1.30
Girdle conditionFaceted
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
6.90 mm5.31 mm1.01 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799609016
Side View
Table 62.0%Crown 39.7°Girdle: MED-THKPavilion 40.8°CuletDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £634 GBP|Low: £321 GBP|High: £739 GBP|Avg: £461 GBP|-14.1%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£321 GBP
Retailer 2£392 GBP
Brilliant Earth£634 GBP

8 data points across 3 retailers

3 retailers£321 GBP to £634 GBP

A
Cheapest Retailer
-
£321 GBP
$430 USD
B+
Retailer 2
-
£392 GBP
€500 EUR
View
Most Expensive
B
Brilliant Earth
20830136A · Oct 31
£634 GBP
$850 USD
View
2 more retailers have this diamond
Prices start from £321 GBPSave up to £313 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
1.01ct Cushion
£321 GBP