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Round|Natural|GIA

3.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557705345

Certificate GIA 2557705345

Diamond specifications and retailer prices

From $33,238 AUD
As of November 6, 2026
Save $20,895 AUD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $54,134 AUD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557705345. Listed at 8 retailers as of November 4, 2026, with prices from $33,238 to $54,134, a $20,895 spread on the same certified stone. MOH London lists it at $54,134. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557705345
Dimensions9.40 × 9.43 × 5.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
9.40 mm9.43 mm3.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557705345
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $54,134 AUD|Low: $33,238 AUD|High: $54,934 AUD|Avg: $40,776 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4$33,238 AUD
Retailer 3$35,080 AUD
Retailer 5$36,725 AUD
Retailer 2$40,731 AUD
Retailer 6$42,261 AUD
MOH London$54,134 AUD

41 data points across 6 retailers

8 retailers$33,238 AUD to $54,134 AUD

B+
Cheapest Retailer
-
$33,238 AUD
B+
Retailer 2
-
$35,080 AUD
View
B+
Retailer 3
-
$36,160 AUD
View
B+
Retailer 4
-
$36,725 AUD
View
B+
Retailer 5
-
$40,731 AUD
View
B
Retailer 6
-
$40,962 AUD
View
B
Retailer 7
-
$42,261 AUD
View
Most Expensive
B
MOH London
3982B6206 · Nov 4
$54,134 AUD
£29,839 GBP
View
7 more retailers have this diamond
Prices start from $33,238 AUDSave up to $20,895 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
$33,238 AUD