Princess|Natural|GIA

3.17ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 1218831518

Certificate GIA 1218831518

Diamond specifications and retailer prices

From $15,205 USD
As of November 4, 2026
Save $11,337 USD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $26,542 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.17ct natural princess diamond

This 3.17ct natural princess sits in the three to five 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 1218831518. Listed at 5 retailers as of November 4, 2026, with prices from $15,205 to $26,542, a $11,337 spread on the same certified stone. MOH London lists it at $26,542. 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

3.17
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1218831518
Dimensions8.30 × 8.11 × 5.85 mm
L/W Ratio1.02
Top View
8.30 mm8.11 mm3.17 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1218831518
Side View
Table 71.0%CrownGirdle: Very Thin - ThickPavilionCulet: NoneDepth 72.2%

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 4
Current: $26,542 USD|Low: $15,205 USD|High: $26,933 USD|Avg: $19,917 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$15,205 USD
Retailer 5$15,753 USD
Retailer 3$17,565 USD
Retailer 2$20,557 USD
MOH London$26,542 USD

41 data points across 5 retailers

5 retailers$15,205 USD to $26,542 USD

A
Cheapest Retailer
-
$15,205 USD
A
Retailer 2
-
$15,753 USD
View
B+
Retailer 3
-
$17,565 USD
View
B+
Retailer 4
-
$20,557 USD
View
Most Expensive
B
MOH London
6C26D84BE · Nov 4
$26,542 USD
£20,899 GBP
View
4 more retailers have this diamond
Prices start from $15,205 USDSave up to $11,337 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
3.17ct Princess
$15,205 USD