CaratHunter
Plans
Round|Natural|GIA

3.16ct J SI2 Round Natural Diamond

ID • J/SI2 • GIA 805

Certificate GIA 805

Diamond specifications and retailer prices

From $34,517 AUD
$24,190 USD
As of November 2, 2026
Save $6,317 AUD (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $40,834 AUD at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 3.16ct natural round diamond

This 3.16ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of November 2, 2026, with prices from $34,517 to $40,834, a $6,317 spread on the same certified stone. Blue Nile lists it at $40,834. 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

3.16
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 805
Dimensions9.31 × 9.35 × 5.82 mm
L/W Ratio1.00
Top View
9.31 mm9.35 mm3.16 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 805
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $40,834 AUD|Low: $34,517 AUD|High: $40,834 AUD|Avg: $36,829 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$34,517 AUD
Retailer 3$37,140 AUD
Blue Nile$40,834 AUD

2 data points across 3 retailers

3 retailers$34,517 AUD to $40,834 AUD

B+
Cheapest Retailer
-
$34,517 AUD
$24,190 USD
B+
Retailer 2
-
$37,140 AUD
$26,028 USD
View
Most Expensive
B
Blue Nile
14863325 · Nov 3
$40,834 AUD
$28,617 USD
View
2 more retailers have this diamond
Prices start from $34,517 AUDSave up to $6,317 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+
3.16ct Round
$34,517 AUD