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5.17ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 659446731

Certificate IGI 659446731

Diamond specifications and retailer prices

From £29,842 GBP
₹3,808,108 INR
As of October 31, 2026
Save £9,362 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £39,204 GBP at Yorxs · As of October 30, 2026
View at Yorxs

About this 5.17ct natural round diamond

This 5.17ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 659446731. Listed at 3 retailers as of October 30, 2026, with prices from £29,842 to £39,204, a £9,362 spread on the same certified stone. Yorxs lists it at £39,204. 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

5.17
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 659446731
Dimensions11.03 × 11.08 × 6.87 mm
L/W Ratio1.00
Top View
11.03 mm11.08 mm5.17 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 659446731
Side View
Table 54.0%CrownGirdlePavilionCuletDepth 62.2%

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: Oct 31
Current: £29,842 GBP|Low: £29,766 GBP|High: £39,204 GBP|Avg: £34,327 GBP|-1.0%
Retailer 1
Yorxs
October 31, 2026
Retailer 1£29,842 GBP
Yorxs£39,204 GBP

46 data points across 2 retailers

3 retailers£29,842 GBP to £39,204 GBP

A
Cheapest Retailer
-
£29,842 GBP
₹3,808,108 INR
A
Retailer 2
-
£30,454 GBP
$40,805 USD
View
Most Expensive
B+
Yorxs
AAA18633 · Oct 30
£39,204 GBP
€50,028 EUR
View
2 more retailers have this diamond
Prices start from £29,842 GBPSave up to £9,362 GBP

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
5.17ct Round
£29,842 GBP