Princess|Natural|GIA

1.01ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 1553376720

Certificate GIA 1553376720

Diamond specifications and retailer prices

From $1,029 USD
As of November 6, 2026
Save $448 USD (30%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,477 USD at Steven Stone · As of November 7, 2026
View at Steven Stone

About this 1.01ct natural princess diamond

This 1.01ct natural princess sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553376720. Listed at 8 retailers as of November 6, 2026, with prices from $1,029 to $1,477, a $448 spread on the same certified stone. Steven Stone lists it at $1,477. 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

1.01
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553376720
Dimensions5.40 × 5.38 × 4.02 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Natural
Top View
5.40 mm5.38 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553376720
Side View
Table 71.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 74.6%

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: $1,133 USD|Low: $935 USD|High: $1,477 USD|Avg: $1,180 USD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Steven Stone
November 7, 2026
Retailer 6$1,029 USD
Retailer 3$1,032 USD
Retailer 2$1,074 USD
Retailer 1$1,133 USD
Retailer 5$1,164 USD
Retailer 4$1,261 USD
Retailer 7$1,422 USD
Steven Stone$1,477 USD

42 data points across 8 retailers

8 retailers$1,029 USD to $1,477 USD

A
Cheapest Retailer
-
$1,029 USD
A
Retailer 2
-
$1,032 USD
View
Final sale: no returns
A
Retailer 3
-
$1,074 USD
View
A
Retailer 4
-
$1,133 USD
View
A
Retailer 5
-
$1,164 USD
View
B+
Retailer 6
-
$1,261 USD
View
B+
Retailer 7
-
$1,422 USD
View
Most Expensive
B+
Steven Stone
333545911 · Nov 7
$1,477 USD
£1,163 GBP
View
7 more retailers have this diamond
Prices start from $1,029 USDSave up to $448 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
1.01ct Princess
$1,029 USD