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Oval|Natural|IGI

16.71ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 819634381

Certificate IGI 819634381

Diamond specifications and retailer prices

From $433,646 AUD
₹29,010,693 INR
As of November 2, 2026
Save $165,886 AUD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $599,532 AUD at Yorxs · As of November 2, 2026
View at Yorxs

About this 16.71ct natural oval diamond

This 16.71ct natural oval sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 819634381. Listed at 2 retailers as of November 2, 2026, with prices from $433,646 to $599,532, a $165,886 spread on the same certified stone. Yorxs lists it at $599,532. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

16.71
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 819634381
Dimensions21.01 × 13.97 × 8.40 mm
L/W Ratio1.50
Top View
21.01 mm13.97 mm16.71 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819634381
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $433,646 AUD|Low: $433,646 AUD|High: $599,532 AUD|Avg: $475,211 AUD|-0.1%
Retailer 1
Yorxs
November 2, 2026
Retailer 1$433,646 AUD
Yorxs$599,532 AUD

3 data points across 2 retailers

2 retailers$433,646 AUD to $599,532 AUD

B
Cheapest Retailer
-
$433,646 AUD
₹29,010,693 INR
Most Expensive
C
Yorxs
610-6A · Nov 2
$599,532 AUD
€401,084 EUR
View
1 more retailer has this diamond
Prices start from $433,646 AUDSave up to $165,886 AUD

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.

B
16.71ct Oval
$433,646 AUD