Round|Natural|GIA

3.16ct J SI2 Round Natural Diamond

ID • J/SI2 • GIA 805

Certificate GIA 805

Diamond specifications and retailer prices

From $24,190 USD
As of October 30, 2026
Save $4,427 USD (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $28,617 USD at Blue Nile · As of October 29, 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 October 29, 2026, with prices from $24,190 to $28,617, a $4,427 spread on the same certified stone. Blue Nile lists it at $28,617. 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
Color
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: Oct 30
Current: $28,617 USD|Low: $24,190 USD|High: $31,552 USD|Avg: $28,330 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 29, 2026
Retailer 3$24,190 USD
Retailer 8$26,028 USD
Retailer 7$28,046 USD
Blue Nile$28,617 USD
Retailer 4$29,215 USD
Retailer 2$29,449 USD
Retailer 5$30,383 USD
Retailer 6$31,552 USD

3 data points across 8 retailers

3 retailers$24,190 USD to $28,617 USD

B+
Cheapest Retailer
-
$24,190 USD
B+
Retailer 2
-
$26,028 USD
View
Most Expensive
B
Blue Nile
14863325 · Oct 29
$28,617 USD
View
2 more retailers have this diamond
Prices start from $24,190 USDSave up to $4,427 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.

B+
3.16ct Round
$24,190 USD