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Princess|Natural|GIA

0.66ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 2556301633

Certificate GIA 2556301633

Diamond specifications and retailer prices

From €379 EUR
MYR 1,734 MYR
As of November 2, 2026
Save €127 EUR (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €506 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.66ct natural princess diamond

This 0.66ct natural princess sits in the half to three-quarter carat band, graded J 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 2556301633. Listed at 5 retailers as of October 31, 2026, with prices from €379 to €506, a €127 spread on the same certified stone. Blue Nile lists it at €506. 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

0.66
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556301633
Dimensions4.77 × 4.73 × 3.42 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
4.77 mm4.73 mm0.66 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556301633
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.5%

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: Nov 2
Current: €506 EUR|Low: €367 EUR|High: €585 EUR|Avg: €460 EUR|-13.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2€379 EUR
Retailer 4€389 EUR
Retailer 5€422 EUR
Retailer 3€483 EUR
Blue Nile€506 EUR

42 data points across 5 retailers

5 retailers€379 EUR to €506 EUR

A
Cheapest Retailer
-
€379 EUR
MYR 1,734 MYR
A
Retailer 2
-
€389 EUR
$436 USD
View
Final sale: no returns
A
Retailer 3
-
€422 EUR
SGD 639 SGD
View
A
Retailer 4
-
€483 EUR
£426 GBP
View
Most Expensive
B+
Blue Nile
29190804 · Oct 31
€506 EUR
$568 USD
View
4 more retailers have this diamond
Prices start from €379 EURSave up to €127 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
0.66ct Princess
€379 EUR