Diamond Value Estimator
An indicative value for a diamond, read from carat and the four Cs. A useful starting point — not a formal appraisal, and not a guarantee of value.
Tap the i beside any factor to see what it means.
$5,900 – $8,400
1.00 ct · Round · Excellent cut · G · VS1
Approximate retail, USD
A note on our recordsA Lovenhall record is an informed opinion — a considered reading supported by detailed imaging and artificial-intelligence analysis, offered in good faith. It is not a certificate of authenticity, a formal appraisal, or a guarantee of value; independent verification is always advised before a purchase or sale.
The four Cs, weighed together
Weight is only the beginning. The estimate above scales the carat by cut, colour and clarity — the qualities that separate two stones of equal size.
- 01Cut
How precisely the stone is faceted — the truest source of a diamond's fire and brilliance, and the C that most rewards a trained eye.
- 02Colour
Graded D (colourless) through Z. The nearer to colourless, the rarer — though warmth is prized in certain fancy hues.
- 03Clarity
The presence of inclusions and blemishes, from Flawless to Included. Read under 10× magnification, never by the naked eye alone.
- 04Carat
Weight, not size. Value rises steeply at the round numbers, where rarity and demand concentrate.
Beyond the EstimateHave the stone recorded
An estimate is a guide. For detailed captures, an AI-assisted reading and a permanent registry entry, request a full diamond record.