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Cushion|Lab Grown|IGI

1.55ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG824610649

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG824610649

Diamond specifications and retailer prices

From £621 GBP
HK$6,500 HKD
As of October 31, 2026
Save £1,172 GBP (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,793 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG824610649 or 824610649. Listed at 8 retailers as of October 31, 2026, with prices from £621 to £1,793, a £1,172 spread on the same certified stone. Michael Trio lists it at £1,793. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG824610649
Dimensions8.32 × 6.14 × 3.93 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.32 mm6.14 mm1.55 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG824610649
Side View
Table 49.0%Crown 35.2°Girdle: MED-STKPavilion 38.8°Culet: LargeDepth 64.0%

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: Oct 31
Current: £1,793 GBP|Low: £567 GBP|High: £1,833 GBP|Avg: £1,073 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9£621 GBP
Retailer 7£632 GBP
Retailer 3£713 GBP
Retailer 6£761 GBP
Retailer 2£862 GBP
Retailer 5£970 GBP
Retailer 4£1,068 GBP
Michael Trio£1,793 GBP
Retailer 8£1,833 GBP

21 data points across 9 retailers

8 retailers£621 GBP to £1,793 GBP

A
Cheapest Retailer
-
£621 GBP
HK$6,500 HKD
Retailer 2
-
£632 GBP
$847 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
£713 GBP
$955 USD
View
B+
Retailer 4
-
£761 GBP
$1,020 USD
View
B+
Retailer 5
-
£862 GBP
€1,100 EUR
View
B
Retailer 6
-
£970 GBP
$1,300 USD
View
B+
Retailer 7
-
£1,068 GBP
ZAR 23,126 ZAR
View
Most Expensive
B
Michael Trio
1834693409 · Oct 31
£1,793 GBP
SGD 3,246 SGD
View
7 more retailers have this diamond
Prices start from £621 GBPSave up to £1,172 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
1.55ct Cushion
£621 GBP