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Round|Natural|GIA

3.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557230446

Certificate GIA 2557230446

Diamond specifications and retailer prices

From $28,769 AUD
As of November 6, 2026
Save $20,815 AUD (42%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $49,584 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct 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 2557230446. Listed at 9 retailers as of November 4, 2026, with prices from $28,769 to $49,584, a $20,815 spread on the same certified stone. MOH London lists it at $49,584. 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

3.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557230446
Dimensions9.20 × 9.26 × 5.73 mm
L/W Ratio1.01
Star length55%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
9.20 mm9.26 mm3.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557230446
Side View
Table 54.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $49,584 AUD|Low: $28,456 AUD|High: $50,317 AUD|Avg: $35,464 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9$28,769 AUD
Retailer 7$29,266 AUD
Retailer 6$31,034 AUD
Retailer 2$31,778 AUD
Retailer 5$32,098 AUD
Retailer 8$33,234 AUD
Retailer 3$35,293 AUD
Retailer 4$41,267 AUD
MOH London$49,584 AUD

35 data points across 9 retailers

9 retailers$28,769 AUD to $49,584 AUD

A
Cheapest Retailer
-
$28,769 AUD
A
Retailer 2
-
$29,266 AUD
View
B+
Retailer 3
-
$31,034 AUD
View
B+
Retailer 4
-
$31,778 AUD
View
B+
Retailer 5
-
$32,098 AUD
View
B+
Retailer 6
-
$33,234 AUD
View
B+
Retailer 7
-
$35,293 AUD
View
B
Retailer 8
-
$41,267 AUD
View
Most Expensive
B
MOH London
132FBEC1D · Nov 4
$49,584 AUD
£27,331 GBP
View
8 more retailers have this diamond
Prices start from $28,769 AUDSave up to $20,815 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.

A
3.00ct Round
$28,769 AUD