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Round|Natural|GIA

3.13ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7506865109

Certificate GIA 7506865109

Diamond specifications and retailer prices

From $35,846 AUD
$25,180 USD
As of October 31, 2026
Save $18,601 AUD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $54,447 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.13ct natural round diamond

This 3.13ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7506865109. Listed at 7 retailers as of October 31, 2026, with prices from $35,846 to $54,447, a $18,601 spread on the same certified stone. MOH London lists it at $54,447. 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

3.13
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7506865109
Dimensions9.32 × 9.37 × 5.75 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.32 mm9.37 mm3.13 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7506865109
Side View
Table 61.0%Crown 34°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 61.6%

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: $54,447 AUD|Low: $31,174 AUD|High: $55,103 AUD|Avg: $41,736 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$35,846 AUD
Retailer 3$36,878 AUD
Retailer 7$37,375 AUD
Retailer 6$39,220 AUD
Retailer 2$41,262 AUD
Retailer 5$49,389 AUD
MOH London$54,447 AUD

26 data points across 7 retailers

7 retailers$35,846 AUD to $54,447 AUD

B+
Cheapest Retailer
-
$35,846 AUD
$25,180 USD
B+
Retailer 2
-
$36,878 AUD
$25,905 USD
View
Final sale: no returns
B+
Retailer 3
-
$37,375 AUD
$26,254 USD
View
B+
Retailer 4
-
$39,220 AUD
$27,550 USD
View
B+
Retailer 5
-
$41,262 AUD
€27,604 EUR
View
B
Retailer 6
-
$49,389 AUD
$34,693 USD
View
Most Expensive
B
MOH London
D15389C9A · Nov 1
$54,447 AUD
£30,115 GBP
View
6 more retailers have this diamond
Prices start from $35,846 AUDSave up to $18,601 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+
3.13ct Round
$35,846 AUD