CaratHunter
Plans
Princess|Natural|GIA

0.63ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 1553772618

Certificate GIA 1553772618

Diamond specifications and retailer prices

From £439 GBP
SGD 796 SGD
As of October 31, 2026
Save £92 GBP (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £531 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 0.63ct natural princess diamond

This 0.63ct natural princess sits in the half to three-quarter carat band, graded F 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 1553772618. Listed at 3 retailers as of October 29, 2026, with prices from £439 to £531, a £92 spread on the same certified stone. Blue Nile lists it at £531. 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

0.63
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553772618
Dimensions4.76 × 4.67 × 3.37 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.76 mm4.67 mm0.63 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553772618
Side View
Table 72.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.3%

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: £531 GBP|Low: £439 GBP|High: £581 GBP|Avg: £508 GBP|-8.6%
Blue Nile
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£439 GBP
Retailer 2£485 GBP
Blue Nile£531 GBP

36 data points across 3 retailers

3 retailers£439 GBP to £531 GBP

A
Cheapest Retailer
-
£439 GBP
SGD 796 SGD
A
Retailer 2
-
£485 GBP
View
Most Expensive
B+
Blue Nile
29693892 · Oct 29
£531 GBP
$713 USD
View
2 more retailers have this diamond
Prices start from £439 GBPSave up to £92 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
0.63ct Princess
£439 GBP