Cushion|Lab Grown|IGI

0.52ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG803660427

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

Certificate IGI LG803660427

Diamond specifications and retailer prices

From £115 GBP
HK$1,200 HKD
As of October 30, 2026
Save £241 GBP (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £356 GBP at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 0.52ct lab-grown cushion diamond

This 0.52ct lab-grown cushion sits in the half to three-quarter carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803660427 or 803660427. Listed at 11 retailers as of October 27, 2026, with prices from £115 to £356, a £241 spread on the same certified stone. Taylor and Hart lists it at £356. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.52
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803660427
Dimensions4.55 × 4.48 × 3.07 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.55 mm4.48 mm0.52 ctJ / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803660427
Side View
Table 60.0%Crown 35.8°Girdle: THN-STKPavilion 34.2°Culet: NoneDepth 68.5%

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: Oct 30
Current: £187 GBP|Low: £115 GBP|High: £826 GBP|Avg: £267 GBP|-34.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 3£115 GBP
Retailer 7£173 GBP
Retailer 4£177 GBP
Retailer 8£179 GBP
Retailer 1£187 GBP
Retailer 9£196 GBP
Retailer 10£202 GBP
Retailer 2£257 GBP
Retailer 11£269 GBP
Retailer 5£271 GBP
Taylor and Hart£356 GBP
Retailer 6£812 GBP

21 data points across 12 retailers

11 retailers£115 GBP to £356 GBP

A
Cheapest Retailer
-
£115 GBP
HK$1,200 HKD
Retailer 2
-
£173 GBP
ZAR 3,740 ZAR
View
Price last confirmed 8 days ago
A
Retailer 3
-
£177 GBP
€226 EUR
View
B+
Retailer 4
-
£179 GBP
$240 USD
View
B+
Retailer 5
-
£187 GBP
$250 USD
View
B+
Retailer 6
-
£196 GBP
$262 USD
View
Retailer 7
-
£202 GBP
$270 USD
View
Price last confirmed 17 days ago
B
Retailer 8
-
£269 GBP
$361 USD
View
B
Retailer 9
-
£271 GBP
SGD 491 SGD
View
Most Expensive
B
Taylor and Hart
DB3N9EO · Oct 27
£356 GBP
$477 USD
View
9 more retailers have this diamond
Prices start from £115 GBPSave up to £241 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
0.52ct Cushion
£115 GBP