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Round|Natural|GIA

3.25ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6531552318

Certificate GIA 6531552318

Diamond specifications and retailer prices

From $37,717 AUD
As of November 6, 2026
Save $2,662 AUD (7%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $40,379 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 3.25ct natural round diamond

This 3.25ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531552318. Listed at 5 retailers as of November 6, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.25
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531552318
Dimensions9.39 × 9.46 × 5.90 mm
L/W Ratio1.01
Top View
9.39 mm9.46 mm3.25 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531552318
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $40,379 AUD|Low: $37,717 AUD|High: $41,046 AUD|Avg: $39,216 AUD|+0.8%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$37,717 AUD
77 Diamonds$40,379 AUD

35 data points across 2 retailers

5 retailers$37,717 AUD to $40,379 AUD

B+
Cheapest Retailer
-
$37,717 AUD
Retailer 2
-
$37,717 AUD
View
Price last confirmed 35 days ago
Retailer 3
-
$37,717 AUD
View
Price last confirmed 25 days ago
Retailer 4
-
$37,717 AUD
View
Price last confirmed 16 days ago
Most Expensive
B
77 Diamonds
RBMBBFWRWPVX · Nov 6
$40,379 AUD
£22,257 GBP
View
4 more retailers have this diamond
Prices start from $37,717 AUDSave up to $2,662 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+
3.25ct Round
$37,717 AUD