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Round|Natural|GIA

3.11ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2518420615

Certificate GIA 2518420615

Diamond specifications and retailer prices

From $50,250 AUD
₹3,361,693 INR
As of October 31, 2026
Save $19,177 AUD (28%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $69,427 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 3.11ct natural round diamond

This 3.11ct 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 2518420615. Listed at 10 retailers as of October 29, 2026, with prices from $50,250 to $69,427, a $19,177 spread on the same certified stone. Diamond Quarter lists it at $69,427. 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

3.11
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2518420615
Dimensions9.39 × 9.33 × 5.71 mm
L/W Ratio1.01
Top View
9.39 mm9.33 mm3.11 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2518420615
Side View
Table 60.0%Crown 34°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.0%

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 31
Current: $64,980 AUD|Low: $47,299 AUD|High: $65,440 AUD|Avg: $54,689 AUD|+3.5%
Retailer 1
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$47,299 AUD
Retailer 2$50,250 AUD
Retailer 1$64,980 AUD

46 data points across 3 retailers

10 retailers$50,250 AUD to $69,427 AUD

Retailer 1
-
$47,299 AUD
$33,225 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$50,250 AUD
₹3,361,693 INR
View
B+
Retailer 3
-
$50,690 AUD
$35,607 USD
View
B+
Retailer 4
-
$51,964 AUD
CA$50,697 CAD
View
B
Retailer 5
-
$57,869 AUD
$40,650 USD
View
B
Retailer 6
-
$57,869 AUD
$40,650 USD
View
B
Retailer 7
-
$59,791 AUD
$42,000 USD
View
B
Retailer 8
-
$64,980 AUD
€43,471 EUR
View
B
Retailer 9
-
$65,000 AUD
$45,659 USD
View
Most Expensive
B
Diamond Quarter
3.11SI2H2515DBAAN · Oct 29
$69,427 AUD
£38,401 GBP
View
9 more retailers have this diamond
Prices start from $50,250 AUDSave up to $19,177 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+
3.11ct Round
$50,250 AUD