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Princess|Natural|GIA

0.51ct F SI2 Princess Natural Diamond

EX • F/SI2 • GIA 6491911833

Certificate GIA 6491911833

Diamond specifications and retailer prices

From €366 EUR
As of November 6, 2026
Save €789 EUR (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,156 EUR at MOH London · As of November 4, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6491911833. Listed at 18 retailers as of November 4, 2026, with prices from €366 to €1,156, a €789 spread on the same certified stone. MOH London lists it at €1,156. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6491911833
Dimensions4.49 × 4.08 × 3.19 mm
L/W Ratio1.10
Top View
4.49 mm4.08 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6491911833
Side View
Table 74.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 78.1%

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: €1,156 EUR|Low: €314 EUR|High: €1,571 EUR|Avg: €618 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 2€366 EUR
Retailer 4€462 EUR
Retailer 14€501 EUR
Retailer 12€502 EUR
Retailer 10€522 EUR
Retailer 5€539 EUR
Retailer 13€539 EUR
Retailer 7€559 EUR
Retailer 6€579 EUR
Retailer 15€579 EUR
Retailer 9€595 EUR
Retailer 8€606 EUR
Retailer 3€628 EUR
Retailer 11€672 EUR
MOH London€1,156 EUR
Retailer 16€1,571 EUR

44 data points across 16 retailers

18 retailers€366 EUR to €1,156 EUR

A
Cheapest Retailer
-
€366 EUR
A
Retailer 2
-
€424 EUR
View
B+
Retailer 3
-
€462 EUR
View
Final sale: no returns
B+
Retailer 4
-
€501 EUR
View
B+
Retailer 5
-
€502 EUR
View
B+
Retailer 6
-
€522 EUR
View
Retailer 7
-
€539 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€539 EUR
View
B
Retailer 9
-
€579 EUR
View
B
Retailer 10
-
€579 EUR
View
B+
Retailer 11
-
€595 EUR
View
B
Retailer 12
-
€606 EUR
View
B
Retailer 13
-
€619 EUR
View
B
Retailer 14
-
€628 EUR
View
B
Retailer 15
-
€672 EUR
View
Most Expensive
B
MOH London
D9BCF3116 · Nov 4
€1,156 EUR
£1,016 GBP
View
15 more retailers have this diamond
Prices start from €366 EURSave up to €789 EUR

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
€366 EUR