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Princess|Natural|GIA

1.31ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 2181905791

Certificate GIA 2181905791

Diamond specifications and retailer prices

From $1,330 USD
As of November 6, 2026
Save $630 USD (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,960 USD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.31ct natural princess diamond

This 1.31ct natural princess sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2181905791. Listed at 3 retailers as of November 5, 2026, with prices from $1,330 to $1,960, a $630 spread on the same certified stone. 77 Diamonds lists it at $1,960. 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

1.31
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2181905791
Dimensions6.07 × 5.91 × 4.51 mm
L/W Ratio1.03
Top View
6.07 mm5.91 mm1.31 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2181905791
Side View
Table 73.0%CrownGirdle: ThickPavilionCulet: NoneDepth 76.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,960 USD|Low: $1,314 USD|High: $1,983 USD|Avg: $1,624 USD|+1.3%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$1,330 USD
Retailer 2$1,571 USD
77 Diamonds$1,960 USD

34 data points across 3 retailers

3 retailers$1,330 USD to $1,960 USD

A
Cheapest Retailer
-
$1,330 USD
B+
Retailer 2
-
$1,571 USD
View
Most Expensive
B+
77 Diamonds
PRIMBK3SFK7HA · Nov 5
$1,960 USD
£1,544 GBP
View
2 more retailers have this diamond
Prices start from $1,330 USDSave up to $630 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
1.31ct Princess
$1,330 USD