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Princess|Natural|GIA

1.53ct I SI1 Princess Natural Diamond

ID • I/SI1 • GIA 01

Certificate GIA 01

Diamond specifications and retailer prices

From £3,301 GBP
$4,423 USD
As of October 31, 2026
Save £765 GBP (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,066 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.53ct natural princess diamond

This 1.53ct natural princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 4 retailers as of October 31, 2026, with prices from £3,301 to £4,066, a £765 spread on the same certified stone. Blue Nile lists it at £4,066. 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

1.53
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 01
Dimensions6.41 × 6.15 × 4.49 mm
L/W Ratio1.04
Top View
6.41 mm6.15 mm1.53 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 01
Side View
Table 71.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 73.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,066 GBP|Low: £3,258 GBP|High: £4,066 GBP|Avg: £3,672 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
September 23, 2026
Retailer 2£3,301 GBP
Retailer 4£3,496 GBP
Retailer 3£4,034 GBP
Blue Nile£4,066 GBP

4 data points across 4 retailers

4 retailers£3,301 GBP to £4,066 GBP

A
Cheapest Retailer
-
£3,301 GBP
$4,423 USD
B+
Retailer 2
-
£3,496 GBP
$4,685 USD
View
B+
Retailer 3
-
£4,034 GBP
CA$7,507 CAD
View
Most Expensive
B+
Blue Nile
24327073 · Oct 31
£4,066 GBP
$5,448 USD
View
3 more retailers have this diamond
Prices start from £3,301 GBPSave up to £765 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
1.53ct Princess
£3,301 GBP