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Round|Natural|GIA

3.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6502870745

Certificate GIA 6502870745

Diamond specifications and retailer prices

From $34,596 AUD
$24,302 USD
As of October 31, 2026
Save $17,932 AUD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $52,529 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.2ct natural round diamond

This 3.2ct 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 6502870745. Listed at 7 retailers as of October 31, 2026, with prices from $34,596 to $52,529, a $17,932 spread on the same certified stone. MOH London lists it at $52,529. 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

3.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6502870745
Dimensions9.36 × 9.40 × 5.85 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
9.36 mm9.40 mm3.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6502870745
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: 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 31
Current: $52,529 AUD|Low: $30,066 AUD|High: $53,162 AUD|Avg: $40,303 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$34,596 AUD
Retailer 3$35,579 AUD
Retailer 7$36,056 AUD
Retailer 5$38,026 AUD
Retailer 2$39,621 AUD
Retailer 6$47,649 AUD
MOH London$52,529 AUD

25 data points across 7 retailers

7 retailers$34,596 AUD to $52,529 AUD

B+
Cheapest Retailer
-
$34,596 AUD
$24,302 USD
B+
Retailer 2
-
$35,579 AUD
$24,992 USD
View
Final sale: no returns
B+
Retailer 3
-
$36,056 AUD
$25,327 USD
View
B+
Retailer 4
-
$38,026 AUD
$26,711 USD
View
B+
Retailer 5
-
$39,621 AUD
€26,506 EUR
View
B
Retailer 6
-
$47,649 AUD
$33,471 USD
View
Most Expensive
B
MOH London
050BD27AC · Nov 1
$52,529 AUD
£29,054 GBP
View
6 more retailers have this diamond
Prices start from $34,596 AUDSave up to $17,932 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+
3.20ct Round
$34,596 AUD