Cushion|Lab Grown|IGI

1.50ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG523263188

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG523263188

Diamond specifications and retailer prices

From £1,230 GBP
$1,650 USD
As of October 31, 2026
Save £902 GBP (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,553 GBP at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG523263188 or 523263188. Listed at 10 retailers as of October 31, 2026, with a 73% 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

1.50
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523263188
Dimensions7.27 × 6.05 × 3.88 mm
L/W Ratio1.20
Girdle conditionFaceted
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
7.27 mm6.05 mm1.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523263188
Side View
Table 64.0%Crown 33.2°Girdle: MED-VTKPavilion 32.8°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,553 GBP|Low: £1,230 GBP|High: £4,708 GBP|Avg: £2,389 GBP|+0.7%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5£1,230 GBP
Retailer 7£1,572 GBP
Retailer 6£1,629 GBP
Retailer 9£1,755 GBP
Retailer 3£2,132 GBP
Retailer 4£2,240 GBP
Loose Grown Diamond£2,553 GBP
Retailer 8£3,373 GBP
Retailer 2£4,652 GBP

40 data points across 9 retailers

10 retailers£1,230 GBP to £2,132 GBP

B
Cheapest Retailer
-
£1,230 GBP
$1,650 USD
B
Retailer 2
-
£1,572 GBP
$2,110 USD
View
Final sale: no returns
Retailer 3
-
£1,629 GBP
$2,186 USD
View
Price last confirmed 22 days ago
B
Retailer 4
-
£1,755 GBP
$2,355 USD
View
B
Retailer 5
-
£2,132 GBP
View
Retailer 6
-
£2,240 GBP
View
Price under review
Most Expensive
Loose Grown Diamond
523263188 · Nov 1
£2,553 GBP
$3,426 USD
View
Price under review
6 more retailers have this diamond
Prices start from £1,230 GBPSave up to £902 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
1.50ct Cushion
£1,230 GBP