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Cushion|Lab Grown|IGI

2.56ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG804653246

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG804653246

Diamond specifications and retailer prices

From £503 GBP
$675 USD
As of November 1, 2026
Save £745 GBP (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,248 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.56ct lab-grown cushion diamond

This 2.56ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804653246 or 804653246. Listed at 5 retailers as of November 1, 2026, with prices from £503 to £1,248, a £745 spread on the same certified stone. MOH London lists it at £1,248. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.56
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804653246
Dimensions7.96 × 7.67 × 5.05 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.96 mm7.67 mm2.56 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804653246
Side View
Table 64.0%Crown 37.4°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 65.8%

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 1
Current: £1,248 GBP|Low: £484 GBP|High: £1,263 GBP|Avg: £788 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2£503 GBP
Retailer 3£534 GBP
Retailer 4£624 GBP
Retailer 5£1,034 GBP
MOH London£1,248 GBP

10 data points across 5 retailers

5 retailers£503 GBP to £1,248 GBP

B+
Cheapest Retailer
-
£503 GBP
$675 USD
A
Retailer 2
-
£534 GBP
$716 USD
View
A
Retailer 3
-
£624 GBP
$838 USD
View
B+
Retailer 4
-
£1,034 GBP
$1,387 USD
View
Most Expensive
A
MOH London
LG804653246 · Nov 1
£1,248 GBP
View
4 more retailers have this diamond
Prices start from £503 GBPSave up to £745 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
2.56ct Cushion
£503 GBP