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Cushion|Lab Grown|IGI

1.50ct I VS2 Cushion Lab Grown Diamond

ID • I/VS2 • IGI LG436045092

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG436045092

Diamond specifications and retailer prices

From £619 GBP
$830 USD
As of November 2, 2026
Save £1,363 GBP (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,032 GBP at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436045092 or 436045092. Listed at 7 retailers as of November 1, 2026, with a 220% 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
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045092
Dimensions6.86 × 6.20 × 4.03 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Top View
6.86 mm6.20 mm1.50 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045092
Side View
Table 59.0%Crown 39.6°Girdle: STK-VTKPavilion 30.2°Culet: NoneDepth 65.0%

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 2
Current: £3,032 GBP|Low: £619 GBP|High: £3,638 GBP|Avg: £2,034 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3£619 GBP
Retailer 6£1,214 GBP
Retailer 5£1,257 GBP
Retailer 7£1,386 GBP
Retailer 10£1,417 GBP
Retailer 8£1,707 GBP
Retailer 4£1,981 GBP
Flawless Fine Jewelry£3,032 GBP
Retailer 2£3,591 GBP
Retailer 9£3,599 GBP

14 data points across 10 retailers

7 retailers£619 GBP to £1,981 GBP

A
Cheapest Retailer
-
£619 GBP
$830 USD
B
Retailer 2
-
£1,214 GBP
$1,629 USD
View
Final sale: no returns
Retailer 3
-
£1,257 GBP
$1,687 USD
View
Price last confirmed 21 days ago
B
Retailer 4
-
£1,386 GBP
$1,860 USD
View
B
Retailer 5
-
£1,981 GBP
$2,659 USD
View
Most Expensive
Flawless Fine Jewelry
B7D16F344 · Nov 2
£3,032 GBP
View
Price under review
5 more retailers have this diamond
Prices start from £619 GBPSave up to £1,363 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
1.50ct Cushion
£619 GBP