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Round|Natural|GIA

1.54ct K SI1 Round Natural Diamond

EX • K/SI1

Diamond specifications and retailer prices

From £4,035 GBP
$5,431 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: £4,035 GBP at The Diamond Guys
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 The Diamond Guys

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. 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

1.54
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions7.40 × 7.45 × 4.55 mm
L/W Ratio1.01
Top View
7.40 mm7.45 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: MediumPavilionCuletDepth 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: £4,035 GBP|Low: £4,035 GBP|High: £4,035 GBP|Avg: £4,035 GBP
September 2, 2026
The Diamond Guys£4,035 GBP

1 data point across 1 retailer

1 retailer

B
The Diamond Guys
1816611454 · Nov 6
£4,035 GBP
$5,431 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
1.54ct Round
£4,035 GBP