Cushion|Lab Grown|IGI

1.28ct J VVS2 Cushion Lab Grown Diamond

ID • J/VVS2 • IGI LG819657731

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG819657731

Diamond specifications and retailer prices

From £516 GBP
As of November 6, 2026
Save £1,733 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,250 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG819657731 or 819657731. Listed at 11 retailers as of November 3, 2026, with prices from £516 to £2,250, a £1,733 spread on the same certified stone. MOH London lists it at £2,250. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
J
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819657731
Dimensions7.88 × 5.94 × 3.87 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.88 mm5.94 mm1.28 ctJ / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819657731
Side View
Table 51.0%Crown 33°Girdle: STK-THKPavilion 38.2°Culet: LargeDepth 65.2%

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 6
Current: £2,250 GBP|Low: £516 GBP|High: £2,476 GBP|Avg: £1,000 GBP|+13.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3£516 GBP
Retailer 8£563 GBP
Retailer 5£616 GBP
Retailer 10£635 GBP
Retailer 2£717 GBP
Retailer 6£728 GBP
Retailer 7£784 GBP
Retailer 4£894 GBP
Retailer 9£1,499 GBP
Retailer 11£1,541 GBP
MOH London£2,250 GBP

30 data points across 11 retailers

11 retailers£516 GBP to £2,250 GBP

Retailer 1
-
£516 GBP
Price last confirmed 43 days ago
A
Retailer 2
-
£516 GBP
View
Retailer 3
-
£563 GBP
View
Price last confirmed 21 days ago
A
Retailer 4
-
£616 GBP
View
B+
Retailer 5
-
£635 GBP
View
B+
Retailer 6
-
£717 GBP
View
B+
Retailer 7
-
£728 GBP
View
B+
Retailer 8
-
£784 GBP
View
B+
Retailer 9
-
£894 GBP
View
B+
Retailer 10
-
£1,499 GBP
View
Most Expensive
B+
MOH London
LG819657731 · Nov 3
£2,250 GBP
View
10 more retailers have this diamond
Prices start from £516 GBPSave up to £1,733 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
1.28ct Cushion
£516 GBP