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Cushion|Lab Grown|IGI

1.00ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG797628586

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG797628586

Diamond specifications and retailer prices

From £296 GBP
HK$3,100 HKD
As of October 31, 2026
Save £886 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,182 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797628586 or 797628586. Listed at 10 retailers as of October 31, 2026, with prices from £296 to £1,182, a £886 spread on the same certified stone. MOH London lists it at £1,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797628586
Dimensions7.17 × 5.12 × 3.17 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.17 mm5.12 mm1.00 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797628586
Side View
Table 55.0%Crown 37°Girdle: STK-THKPavilion 36.4°Culet: LargeDepth 61.9%

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: £1,182 GBP|Low: £270 GBP|High: £1,263 GBP|Avg: £583 GBP|+7.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10£296 GBP
Retailer 11£319 GBP
Retailer 12£364 GBP
Retailer 9£366 GBP
Retailer 5£381 GBP
Retailer 2£441 GBP
Retailer 6£528 GBP
Retailer 7£537 GBP
Retailer 8£549 GBP
Retailer 13£723 GBP
Retailer 3£772 GBP
Retailer 4£1,014 GBP
MOH London£1,182 GBP

31 data points across 13 retailers

10 retailers£296 GBP to £1,182 GBP

A
Cheapest Retailer
-
£296 GBP
HK$3,100 HKD
Retailer 2
-
£319 GBP
$428 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£364 GBP
$488 USD
View
A
Retailer 4
-
£366 GBP
$490 USD
View
B+
Retailer 5
-
£441 GBP
€563 EUR
View
B+
Retailer 6
-
£528 GBP
$707 USD
View
B+
Retailer 7
-
£537 GBP
$720 USD
View
B+
Retailer 8
-
£549 GBP
ZAR 11,876 ZAR
View
B
Retailer 9
-
£723 GBP
SGD 1,310 SGD
View
Most Expensive
B
MOH London
LG797628586 · Nov 1
£1,182 GBP
View
9 more retailers have this diamond
Prices start from £296 GBPSave up to £886 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
1.00ct Cushion
£296 GBP