Cushion|Lab Grown|IGI

1.02ct I VVS1 Cushion Lab Grown Diamond

ID • I/VVS1 • IGI LG783649515

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG783649515

Diamond specifications and retailer prices

From £257 GBP
$344 USD
As of October 30, 2026
Save £521 GBP (67%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £778 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783649515 or 783649515. Listed at 4 retailers as of October 29, 2026, with prices from £257 to £778, a £521 spread on the same certified stone. MOH London lists it at £778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
I
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783649515
Dimensions5.76 × 5.75 × 3.64 mm
L/W Ratio1.00
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
5.76 mm5.75 mm1.02 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783649515
Side View
Table 61.0%Crown 34.7°Girdle: MED-THKPavilion 32.5°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £778 GBP|Low: £257 GBP|High: £790 GBP|Avg: £468 GBP|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4£257 GBP
Retailer 2£293 GBP
Retailer 3£572 GBP
MOH London£778 GBP

12 data points across 4 retailers

4 retailers£257 GBP to £778 GBP

A
Cheapest Retailer
-
£257 GBP
$344 USD
A
Retailer 2
-
£293 GBP
$393 USD
View
B+
Retailer 3
-
£572 GBP
$767 USD
View
Most Expensive
B
MOH London
LG783649515 · Oct 29
£778 GBP
View
3 more retailers have this diamond
Prices start from £257 GBPSave up to £521 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
1.02ct Cushion
£257 GBP