Cushion|Lab Grown|IGI

0.91ct H VVS1 Cushion Lab Grown Diamond

GD • H/VVS1 • IGI LG528233457

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

Certificate IGI LG528233457

Diamond specifications and retailer prices

From £314 GBP
As of November 4, 2026
9 retailers carry this diamond
Most expensive: £822 GBP at MOH London · As of October 15, 2026
View at MOH London

About this 0.91ct lab-grown cushion diamond

This 0.91ct lab-grown cushion sits in the just-under-one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG528233457 or 528233457. Listed at 9 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

0.91
Carat
H
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528233457
Dimensions5.58 × 5.31 × 3.49 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.58 mm5.31 mm0.91 ctH / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528233457
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 32.9°Culet: NoneDepth 65.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £822 GBP|Low: £102 GBP|High: £837 GBP|Avg: £444 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 18, 2026
Retailer 5£102 GBP
Retailer 6£230 GBP
Retailer 3£245 GBP
Retailer 8£311 GBP
Retailer 12£314 GBP
Retailer 11£366 GBP
Retailer 13£425 GBP
Retailer 7£502 GBP
Retailer 10£566 GBP
Retailer 2£617 GBP
Retailer 9£655 GBP
MOH London£822 GBP
Retailer 4£837 GBP

8 data points across 13 retailers

9 retailers

Retailer 1
-
£245 GBP
Price last confirmed 11 days ago
Retailer 2
-
£311 GBP
View
Price last confirmed 23 days ago
B+
Retailer 3
-
£314 GBP
View
Retailer 4
-
£366 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£502 GBP
View
Price last confirmed 22 days ago
Retailer 6
-
£566 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
£617 GBP
View
Price last confirmed 8 days ago
Retailer 8
-
£655 GBP
View
Price last confirmed 10 days ago
Most Expensive
MOH London
LG528233457 · Oct 15
£822 GBP
View
Price last confirmed 21 days ago
8 more retailers have this diamond
Prices start from £314 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.

B+
0.91ct Cushion
£314 GBP