Round|Natural|IGI

3.17ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 506186658

Shape and cutting style on the report: Round brilliant

Certificate IGI 506186658

Diamond specifications and retailer prices

From $12,208 USD
As of November 5, 2026
Save $4,918 USD (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $17,126 USD at Yorxs · As of November 2, 2026
View at Yorxs

About this 3.17ct natural round diamond

This 3.17ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 506186658. Listed at 2 retailers as of November 2, 2026, with prices from $12,208 to $17,126, a $4,918 spread on the same certified stone. Yorxs lists it at $17,126. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 506186658
Dimensions9.42 × 9.48 × 5.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.42 mm9.48 mm3.17 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 506186658
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $12,208 USD|Low: $12,208 USD|High: $17,203 USD|Avg: $14,536 USD|-1.4%
Retailer 1
Yorxs
November 5, 2026
Retailer 1$12,208 USD
Yorxs$17,126 USD

44 data points across 2 retailers

2 retailers$12,208 USD to $17,126 USD

A
Cheapest Retailer
-
$12,208 USD
Most Expensive
B+
Yorxs
SJ-3717 · Nov 2
$17,126 USD
€16,310 EUR
View
1 more retailer has this diamond
Prices start from $12,208 USDSave up to $4,918 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 Round
$12,208 USD