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Princess|Natural|GIA

0.40ct J SI1 Princess Natural Diamond

GD • J/SI1 • GIA 3565394340

Certificate GIA 3565394340

Diamond specifications and retailer prices

From £195 GBP
As of November 6, 2026
Save £53 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £249 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.4ct natural princess diamond

This 0.4ct natural princess sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 3565394340. Listed at 3 retailers as of November 6, 2026, with prices from £195 to £249, a £53 spread on the same certified stone. 77 Diamonds lists it at £249. 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
J
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565394340
Dimensions4.06 × 3.99 × 3.02 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal
Top View
4.06 mm3.99 mm0.40 ctJ / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 3565394340
Side View
Table 75.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 75.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £249 GBP|Low: £195 GBP|High: £251 GBP|Avg: £218 GBP|+4.4%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£195 GBP
Retailer 2£201 GBP
77 Diamonds£249 GBP

36 data points across 3 retailers

3 retailers£195 GBP to £249 GBP

B+
Cheapest Retailer
-
£195 GBP
B+
Retailer 2
-
£201 GBP
View
Most Expensive
B
77 Diamonds
PRICPR7GVAWUR · Nov 6
£249 GBP
View
2 more retailers have this diamond
Prices start from £195 GBPSave up to £53 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
£195 GBP