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Round|Natural|GIA

3.17ct H SI2 Round Natural Diamond

ID • H/SI2 • GIA 701

Certificate GIA 701

Diamond specifications and retailer prices

From $45,503 AUD
$31,963 USD
As of October 30, 2026
Save $7,642 AUD (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $53,144 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.17ct natural round diamond

This 3.17ct natural round sits in the three to five carat band, graded H 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 30, 2026, with prices from $45,503 to $53,144, a $7,642 spread on the same certified stone. Blue Nile lists it at $53,144. 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
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 701
Dimensions9.43 × 9.47 × 5.71 mm
L/W Ratio1.00
Top View
9.43 mm9.47 mm3.17 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 701
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 60.4%

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: $53,144 AUD|Low: $45,503 AUD|High: $53,144 AUD|Avg: $48,475 AUD
Blue Nile
Retailer 2
Retailer 3
October 3, 2026
Retailer 2$45,503 AUD
Retailer 3$49,113 AUD
Blue Nile$53,144 AUD

2 data points across 3 retailers

3 retailers$45,503 AUD to $53,144 AUD

B+
Cheapest Retailer
-
$45,503 AUD
$31,963 USD
B+
Retailer 2
-
$49,113 AUD
$34,499 USD
View
Most Expensive
B
Blue Nile
29035582 · Oct 31
$53,144 AUD
$37,331 USD
View
2 more retailers have this diamond
Prices start from $45,503 AUDSave up to $7,642 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+
3.17ct Round
$45,503 AUD