Cushion|Lab Grown|IGI

0.53ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG826679898

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

Certificate IGI LG826679898

Diamond specifications and retailer prices

From £109 GBP
As of November 5, 2026
Save £323 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,016 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.53ct lab-grown cushion diamond

This 0.53ct lab-grown cushion sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826679898 or 826679898. Listed at 13 retailers as of November 4, 2026, with a 296% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.53
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826679898
Dimensions4.63 × 4.44 × 2.74 mm
L/W Ratio1.04
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
4.63 mm4.44 mm0.53 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG826679898
Side View
Table 65.0%Crown 35.1°Girdle: STK-THKPavilion 31.1°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,016 GBP|Low: £109 GBP|High: £1,016 GBP|Avg: £392 GBP|+20.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9£109 GBP
Retailer 8£143 GBP
Retailer 12£186 GBP
Retailer 4£210 GBP
Retailer 5£211 GBP
Retailer 2£221 GBP
Retailer 3£225 GBP
Retailer 6£231 GBP
Retailer 11£282 GBP
Retailer 10£338 GBP
Retailer 7£432 GBP
MOH London£1,016 GBP

33 data points across 12 retailers

13 retailers£109 GBP to £432 GBP

A
Cheapest Retailer
-
£109 GBP
Final sale: no returns
A
Retailer 2
-
£143 GBP
View
A
Retailer 3
-
£186 GBP
View
Retailer 4
-
£210 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£211 GBP
View
B+
Retailer 6
-
£221 GBP
View
B+
Retailer 7
-
£225 GBP
View
Retailer 8
-
£227 GBP
View
Price last confirmed 25 days ago
B+
Retailer 9
-
£231 GBP
View
B+
Retailer 10
-
£282 GBP
View
B
Retailer 11
-
£338 GBP
View
B
Retailer 12
-
£432 GBP
View
Most Expensive
MOH London
LG826679898 · Nov 2
£1,016 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £109 GBPSave up to £323 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
0.53ct Cushion
£109 GBP