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Cushion|Lab Grown|IGI

1.30ct G VS2 Cushion Lab Grown Diamond

VG • G/VS2 • IGI LG571397289

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

Certificate IGI LG571397289

Diamond specifications and retailer prices

From £299 GBP
As of November 4, 2026
2 retailers carry this diamond
Most expensive: £878 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG571397289 or 571397289. Listed at 2 retailers as of November 4, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
G
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571397289
Dimensions6.26 × 6.25 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
Clarity grade based on internal grain lines present. As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.26 mm6.25 mm1.30 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG571397289
Side View
Table 62.0%Crown 38°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £878 GBP|Low: £293 GBP|High: £878 GBP|Avg: £533 GBP|+9.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2£299 GBP
Retailer 5£367 GBP
Retailer 4£414 GBP
Retailer 6£416 GBP
Retailer 7£626 GBP
Retailer 3£780 GBP
MOH London£878 GBP

10 data points across 7 retailers

2 retailers

A
Cheapest Retailer
-
£299 GBP
Most Expensive
MOH London
LG571397289 · Oct 29
£878 GBP
View
Price last confirmed 7 days ago
1 more retailer has this diamond
Prices start from £299 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
1.30ct Cushion
£299 GBP