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Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 6522970143

Certificate GIA 6522970143

Diamond specifications and retailer prices

From €3,954 EUR
As of November 5, 2026
Save €4,512 EUR (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,467 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded I 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 6522970143. Listed at 20 retailers as of November 5, 2026, with prices from €3,954 to €8,467, a €4,512 spread on the same certified stone. NZ Jewellers lists it at €8,467. 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

1.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.6°
Pavilion angle39.98°
OriginNatural
Grading LabGIA
CertificateGIA 6522970143
Dimensions6.29 × 6.28 × 4.51 mm
L/W Ratio1.00
Top View
6.29 mm6.28 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522970143
Side View
Table 74.0%Crown 23.6°Girdle: STK-THKPavilion 39.98°Culet: NoneDepth 71.8%

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 5
Current: €4,542 EUR|Low: €3,667 EUR|High: €8,159 EUR|Avg: €5,355 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3€3,999 EUR
Retailer 4€4,192 EUR
Retailer 11€4,307 EUR
Retailer 1€4,542 EUR
Retailer 6€4,889 EUR
Retailer 2€5,089 EUR
Retailer 8€5,241 EUR
Retailer 10€5,585 EUR
Retailer 5€5,641 EUR
Retailer 7€6,176 EUR
Retailer 9€8,040 EUR

45 data points across 11 retailers

20 retailers€3,954 EUR to €8,467 EUR

A
Cheapest Retailer
-
€3,954 EUR
A
Retailer 2
-
€3,999 EUR
View
B+
Retailer 3
-
€4,172 EUR
View
B+
Retailer 4
-
€4,192 EUR
View
Final sale: no returns
B+
Retailer 5
-
€4,307 EUR
View
B+
Retailer 6
-
€4,308 EUR
View
B+
Retailer 7
-
€4,540 EUR
View
B+
Retailer 8
-
€4,542 EUR
View
Retailer 9
-
€4,586 EUR
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€4,586 EUR
View
B+
Retailer 11
-
€4,708 EUR
View
B+
Retailer 12
-
€4,889 EUR
View
B+
Retailer 13
-
€5,026 EUR
View
Retailer 14
-
€5,089 EUR
View
Price last confirmed 20 days ago
B+
Retailer 15
-
€5,241 EUR
View
B
Retailer 16
-
€5,607 EUR
View
B+
Retailer 17
-
€5,641 EUR
View
B+
Retailer 18
-
€6,176 EUR
View
B
Retailer 19
-
€8,040 EUR
View
Most Expensive
B
NZ Jewellers
5274aeab-c718-48bf-9f4e-8a8ecabfa146 · Nov 5
€8,467 EUR
$9,453 USD
View
19 more retailers have this diamond
Prices start from €3,954 EURSave up to €4,512 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
1.51ct Princess
€3,954 EUR