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Princess|Natural|GIA

1.00ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 6551246050

Certificate GIA 6551246050

Diamond specifications and retailer prices

From $1,019 USD
As of November 4, 2026
Save $416 USD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,435 USD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural princess diamond

This 1ct 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 6551246050. Listed at 6 retailers as of November 4, 2026, with prices from $1,019 to $1,435, a $416 spread on the same certified stone. GemTrove lists it at $1,435. 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

1.00
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551246050
Dimensions5.37 × 5.31 × 3.96 mm
L/W Ratio1.01
Top View
5.37 mm5.31 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551246050
Side View
Table 72.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 74.5%

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 4
Current: $1,435 USD|Low: $1,019 USD|High: $1,435 USD|Avg: $1,204 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$1,019 USD
Retailer 3$1,063 USD
Retailer 2$1,119 USD
Retailer 5$1,153 USD
Retailer 4$1,249 USD
GemTrove$1,435 USD

41 data points across 6 retailers

6 retailers$1,019 USD to $1,435 USD

A
Cheapest Retailer
-
$1,019 USD
A
Retailer 2
-
$1,063 USD
View
A
Retailer 3
-
$1,119 USD
View
A
Retailer 4
-
$1,153 USD
View
A
Retailer 5
-
$1,249 USD
View
Most Expensive
B+
GemTrove
GT-N-01306372-98 · Nov 6
$1,435 USD
A$2,208 AUD
View
5 more retailers have this diamond
Prices start from $1,019 USDSave up to $416 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
1.00ct Princess
$1,019 USD