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Princess|Natural|GIA

0.40ct K SI1 Princess Natural Diamond

K/SI1 • GIA 6402895625

Certificate GIA 6402895625

Diamond specifications and retailer prices

From £175 GBP
As of November 6, 2026
Save £191 GBP (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £366 GBP at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 0.4ct natural princess diamond

This 0.4ct natural princess sits in the sub-half-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 6402895625. Listed at 2 retailers as of November 6, 2026, with prices from £175 to £366, a £191 spread on the same certified stone. B2C Jewels lists it at £366. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
K
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6402895625
Dimensions4.21 × 3.80 × 3.08 mm
L/W Ratio1.11
Top View
4.21 mm3.80 mm0.40 ctK / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 6402895625
Side View
Table 83.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 81.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £366 GBP|Low: £175 GBP|High: £366 GBP|Avg: £272 GBP
B2C Jewels
Retailer 2
November 6, 2026
Retailer 2£175 GBP
B2C Jewels£366 GBP

35 data points across 2 retailers

2 retailers£175 GBP to £366 GBP

B+
Cheapest Retailer
-
£175 GBP
Most Expensive
C
B2C Jewels
20525018 · Nov 6
£366 GBP
$492 USD
View
1 more retailer has this diamond
Prices start from £175 GBPSave up to £191 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.

B+
0.40ct Princess
£175 GBP