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Princess|Natural|GIA

2.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 5566106779

Certificate GIA 5566106779

Diamond specifications and retailer prices

From $26,335 AUD
£14,532 GBP
As of November 3, 2026
Save $5,080 AUD (16%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $31,415 AUD at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 2.51ct natural princess diamond

This 2.51ct natural princess sits in the two to three 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 5566106779. Listed at 3 retailers as of November 3, 2026, with prices from $26,335 to $31,415, a $5,080 spread on the same certified stone. Blue Nile lists it at $31,415. 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

2.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566106779
Dimensions7.68 × 7.54 × 5.32 mm
L/W Ratio1.02
Top View
7.68 mm7.54 mm2.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566106779
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 70.5%

Caratlytics Score

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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 3
Current: $31,415 AUD|Low: $26,335 AUD|High: $31,693 AUD|Avg: $28,930 AUD|-0.9%
Blue Nile
Retailer 2
Retailer 3
November 3, 2026
Retailer 2$26,335 AUD
Retailer 3$28,293 AUD
Blue Nile$31,415 AUD

14 data points across 3 retailers

3 retailers$26,335 AUD to $31,415 AUD

A
Cheapest Retailer
-
$26,335 AUD
£14,532 GBP
B+
Retailer 2
-
$28,293 AUD
$19,828 USD
View
Most Expensive
B
Blue Nile
30104444 · Nov 3
$31,415 AUD
$22,016 USD
View
2 more retailers have this diamond
Prices start from $26,335 AUDSave up to $5,080 AUD

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
2.51ct Princess
$26,335 AUD