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Radiant|Natural|GIA

1.55ct K VVS1 Radiant Natural Diamond

ID • K/VVS1 • GIA 18

Certificate GIA 18

Diamond specifications and retailer prices

From £4,476 GBP
As of November 6, 2026
Save £1,166 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,642 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.55ct natural radiant diamond

This 1.55ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from £4,476 to £5,642, a £1,166 spread on the same certified stone. Blue Nile lists it at £5,642. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Colour
VVS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 18
Dimensions8.02 × 6.02 × 3.80 mm
L/W Ratio1.33
Top View
8.02 mm6.02 mm1.55 ctK / VVS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 18
Side View
Table 66.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £5,642 GBP|Low: £4,476 GBP|High: £5,642 GBP|Avg: £4,850 GBP
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2£4,476 GBP
Retailer 3£4,827 GBP
Blue Nile£5,642 GBP

2 data points across 3 retailers

3 retailers£4,476 GBP to £5,642 GBP

A
Cheapest Retailer
-
£4,476 GBP
B+
Retailer 2
-
£4,827 GBP
View
Most Expensive
B
Blue Nile
20109064 · Nov 5
£5,642 GBP
$7,552 USD
View
2 more retailers have this diamond
Prices start from £4,476 GBPSave up to £1,166 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
1.55ct Radiant
£4,476 GBP