Princess|Natural|GIA

0.40ct D SI1 Princess Natural Diamond

EX • D/SI1 • GIA 1393423119

Certificate GIA 1393423119

Diamond specifications and retailer prices

From £460 GBP
$616 USD
As of October 31, 2026
5 retailers carry this diamond
Most expensive: £983 GBP at MOH London · As of October 4, 2026
View at MOH London

About this 0.4ct natural princess diamond

This 0.4ct natural princess sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1393423119. Listed at 5 retailers as of October 31, 2026. 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

0.40
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1393423119
Dimensions4.15 × 4.11 × 2.91 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather
Top View
4.15 mm4.11 mm0.40 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1393423119
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 70.7%

Caratlytics Score

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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: Oct 31
Current: £983 GBP|Low: £460 GBP|High: £983 GBP|Avg: £630 GBP|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 20, 2026
Retailer 2£460 GBP
Retailer 3£494 GBP
Retailer 7£585 GBP
Retailer 6£595 GBP
Retailer 5£618 GBP
Retailer 4£632 GBP
MOH London£983 GBP

23 data points across 7 retailers

5 retailers

B+
Cheapest Retailer
-
£460 GBP
$616 USD
Retailer 2
-
£585 GBP
$784 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£595 GBP
View
Price last confirmed 24 days ago
Retailer 4
-
£632 GBP
A$1,304 AUD
View
Price last confirmed 26 days ago
Most Expensive
MOH London
C168CCB53 · Oct 4
£983 GBP
View
Price last confirmed 27 days ago
4 more retailers have this diamond
Prices start from £460 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
£460 GBP