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Round|Lab Grown|UNKNOWN

2.17ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • UNKNOWN 225406218

Certificate UNKNOWN 225406218

Diamond specifications and retailer prices

From £422 GBP
$565 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £422 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 2.17ct lab-grown round diamond

This 2.17ct 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 UNKNOWN 225406218. Listed at a single retailer as of October 30, 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

2.17
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 225406218
Dimensions8.19 × 8.29 × 5.11 mm
L/W Ratio1.01
Top View
8.19 mm8.29 mm2.17 ctH / SI1
OriginLab Grown
CutIdeal
CertificateUNKNOWN 225406218
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 62.0%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 30
Current: £422 GBP|Low: £154 GBP|High: £736 GBP|Avg: £438 GBP|-18.1%
August 26, 2026
Loose Grown Diamond£422 GBP

6 data points across 1 retailer

1 retailer

C
Loose Grown Diamond
225406218 · Oct 30
£422 GBP
$565 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.

C
2.17ct Round
£422 GBP