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Cushion|Lab Grown|IGI

1.07ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG799609015

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG799609015

Diamond specifications and retailer prices

From £273 GBP
As of November 4, 2026
Save £372 GBP (58%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £644 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.07ct lab-grown cushion diamond

This 1.07ct lab-grown cushion sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799609015 or 799609015. Listed at 3 retailers as of November 4, 2026, with prices from £273 to £644, a £372 spread on the same certified stone. Brilliant Earth lists it at £644. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.07
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799609015
Dimensions7.11 × 5.48 × 3.52 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 Light Blue
Top View
7.11 mm5.48 mm1.07 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799609015
Side View
Table 59.0%Crown 40°Girdle: MED-STKPavilion 42.2°CuletDepth 64.2%

Caratlytics Score

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

Last verified: Nov 4
Current: £644 GBP|Low: £273 GBP|High: £644 GBP|Avg: £366 GBP|+50.0%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£273 GBP
Retailer 2£339 GBP
Brilliant Earth£644 GBP

8 data points across 3 retailers

3 retailers£273 GBP to £644 GBP

A
Cheapest Retailer
-
£273 GBP
A
Retailer 2
-
£339 GBP
View
Most Expensive
B
Brilliant Earth
20830047A · Nov 4
£644 GBP
$870 USD
View
2 more retailers have this diamond
Prices start from £273 GBPSave up to £372 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
1.07ct Cushion
£273 GBP