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Princess|Natural|GIA

0.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 1568179106

Certificate GIA 1568179106

Diamond specifications and retailer prices

From £374 GBP
As of November 6, 2026
Save £351 GBP (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £725 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.51ct natural princess diamond

This 0.51ct 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 1568179106. Listed at 13 retailers as of November 6, 2026, with prices from £374 to £725, a £351 spread on the same certified stone. Frank Darling lists it at £725. 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

0.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle21.65°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1568179106
Dimensions4.38 × 4.37 × 3.14 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.38 mm4.37 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1568179106
Side View
Table 73.0%Crown 21.65°Girdle: MED-THKPavilion 40°Culet: NoneDepth 71.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £725 GBP|Low: £374 GBP|High: £737 GBP|Avg: £522 GBP|-1.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 13£374 GBP
Retailer 3£406 GBP
Retailer 7£418 GBP
Retailer 5£433 GBP
Retailer 10£442 GBP
Retailer 2£474 GBP
Retailer 9£477 GBP
Retailer 11£528 GBP
Retailer 4£569 GBP
Retailer 6£572 GBP
Retailer 12£614 GBP
Retailer 8£670 GBP
Frank Darling£725 GBP

32 data points across 13 retailers

13 retailers£374 GBP to £725 GBP

A
Cheapest Retailer
-
£374 GBP
A
Retailer 2
-
£406 GBP
View
B+
Retailer 3
-
£418 GBP
View
Retailer 4
-
£433 GBP
View
Price last confirmed 31 days ago
B+
Retailer 5
-
£442 GBP
View
B+
Retailer 6
-
£474 GBP
View
B+
Retailer 7
-
£477 GBP
View
B
Retailer 8
-
£528 GBP
View
B
Retailer 9
-
£569 GBP
View
B+
Retailer 10
-
£572 GBP
View
B
Retailer 11
-
£614 GBP
View
B
Retailer 12
-
£670 GBP
View
Most Expensive
B
Frank Darling
2681613HK · Nov 6
£725 GBP
$970 USD
View
12 more retailers have this diamond
Prices start from £374 GBPSave up to £351 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
0.51ct Princess
£374 GBP