Princess|Natural|GIA

1.55ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 3525624629

Certificate GIA 3525624629

Diamond specifications and retailer prices

From $4,640 USD
As of October 30, 2026
Save $5,479 USD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,119 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural princess diamond

This 1.55ct 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 3525624629. Listed at 20 retailers as of October 30, 2026, with prices from $4,640 to $10,119, a $5,479 spread on the same certified stone. NZ Jewellers lists it at $10,119. 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

1.55
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.42°
Pavilion angle38.19°
OriginNatural
Grading LabGIA
CertificateGIA 3525624629
Dimensions6.50 × 6.37 × 4.40 mm
L/W Ratio1.02
Top View
6.50 mm6.37 mm1.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3525624629
Side View
Table 74.0%Crown 23.42°Girdle: THK-VTKPavilion 38.19°Culet: NoneDepth 69.2%

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: Oct 30
Current: $8,913 USD|Low: $4,384 USD|High: $9,021 USD|Avg: $6,139 USD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$4,640 USD
Retailer 8$4,825 USD
Retailer 9$5,059 USD
Retailer 2$5,481 USD
Retailer 3$5,852 USD
Retailer 10$5,981 USD
Retailer 5$6,610 USD
Retailer 6$6,673 USD
Retailer 4$7,433 USD
Retailer 1$8,913 USD

39 data points across 10 retailers

20 retailers$4,640 USD to $10,119 USD

A
Cheapest Retailer
-
$4,640 USD
A
Retailer 2
-
$4,726 USD
View
A
Retailer 3
-
$4,782 USD
View
Retailer 4
-
$4,825 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$4,980 USD
A$7,662 AUD
View
B+
Retailer 6
-
$5,059 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,130 USD
View
B+
Retailer 8
-
$5,148 USD
View
B+
Retailer 9
-
$5,481 USD
View
B+
Retailer 10
-
$5,481 USD
View
B+
Retailer 11
-
$5,481 USD
View
B+
Retailer 12
-
$5,852 USD
£4,608 GBP
View
Retailer 13
-
$5,981 USD
A$9,201 AUD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
$6,006 USD
View
B
Retailer 15
-
$6,324 USD
View
B+
Retailer 16
-
$6,610 USD
€6,295 EUR
View
B
Retailer 17
-
$7,433 USD
ZAR 120,083 ZAR
View
B
Retailer 18
-
$8,765 USD
View
B
Retailer 19
-
$8,913 USD
£7,018 GBP
View
Most Expensive
B
NZ Jewellers
8f371910-b5e8-47df-b2b0-ab301615ca6c · Oct 30
$10,119 USD
View
19 more retailers have this diamond
Prices start from $4,640 USDSave up to $5,479 USD

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
1.55ct Princess
$4,640 USD