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Cushion|Lab Grown|IGI

1.50ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG826674499

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG826674499

Diamond specifications and retailer prices

From £1,029 GBP
$1,379 USD
As of November 1, 2026
Save £1,082 GBP (51%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,111 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826674499 or 826674499. Listed at 6 retailers as of October 31, 2026, with prices from £1,029 to £2,111, a £1,082 spread on the same certified stone. Frank Darling lists it at £2,111. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826674499
Dimensions8.51 × 5.68 × 3.91 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.51 mm5.68 mm1.50 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826674499
Side View
Table 45.0%Crown 33.8°Girdle: STK-THKPavilion 38.6°Culet: LargeDepth 68.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: £2,111 GBP|Low: £602 GBP|High: £2,111 GBP|Avg: £1,163 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7£602 GBP
Retailer 4£646 GBP
Retailer 6£1,015 GBP
Retailer 3£1,029 GBP
Retailer 2£1,168 GBP
Retailer 5£1,736 GBP
Frank Darling£2,111 GBP

14 data points across 7 retailers

6 retailers£1,029 GBP to £2,111 GBP

Retailer 1
-
£602 GBP
HK$6,300 HKD
Price last confirmed 32 days ago
Retailer 2
-
£1,015 GBP
$1,360 USD
View
Price last confirmed 32 days ago
B
Retailer 3
-
£1,029 GBP
$1,379 USD
View
B
Retailer 4
-
£1,168 GBP
€1,490 EUR
View
Retailer 5
-
£1,736 GBP
SGD 3,144 SGD
View
Price last confirmed 32 days ago
Most Expensive
C
Frank Darling
LGO942029JA · Oct 31
£2,111 GBP
$2,829 USD
View
5 more retailers have this diamond
Prices start from £1,029 GBPSave up to £1,082 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
£1,029 GBP