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Round|Lab Grown|IGI

2.56ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG642476247

Certificate IGI LG642476247

Diamond specifications and retailer prices

From £370 GBP
$498 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: £370 GBP at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 2.56ct lab-grown round diamond

This 2.56ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG642476247 or 642476247. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.56
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabIGI
CertificateIGI LG642476247
Dimensions8.70 × 8.77 × 5.36 mm
L/W Ratio1.01
Top View
8.70 mm8.77 mm2.56 ctH / SI1
OriginLab Grown
CutIdeal
CertificateIGI LG642476247
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 61.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £370 GBP|Low: £370 GBP|High: £1,854 GBP|Avg: £796 GBP|-31.7%
October 4, 2026
Loose Grown Diamond£370 GBP

8 data points across 1 retailer

1 retailer

B
Loose Grown Diamond
642476247 · Nov 6
£370 GBP
$498 USD
View

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
2.56ct Round
£370 GBP