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Round|Natural|GIA

3.18ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2546098024

Certificate GIA 2546098024

Diamond specifications and retailer prices

From $22,033 AUD
As of November 4, 2026
Save $10,408 AUD (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $32,441 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.18ct natural round diamond

This 3.18ct 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 2546098024. Listed at 4 retailers as of November 4, 2026, with prices from $22,033 to $32,441, a $10,408 spread on the same certified stone. MOH London lists it at $32,441. 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

3.18
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2546098024
Dimensions9.48 × 9.52 × 5.77 mm
L/W Ratio1.00
Star length45%
Top View
9.48 mm9.52 mm3.18 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2546098024
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $32,441 AUD|Low: $19,158 AUD|High: $32,920 AUD|Avg: $27,168 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 3$22,033 AUD
Retailer 2$25,354 AUD
Retailer 4$29,507 AUD
MOH London$32,441 AUD

22 data points across 4 retailers

4 retailers$22,033 AUD to $32,441 AUD

A
Cheapest Retailer
-
$22,033 AUD
Final sale: no returns
A
Retailer 2
-
$25,354 AUD
View
B+
Retailer 3
-
$29,507 AUD
View
Most Expensive
B+
MOH London
2FF8BE13B · Nov 4
$32,441 AUD
£17,882 GBP
View
3 more retailers have this diamond
Prices start from $22,033 AUDSave up to $10,408 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
3.18ct Round
$22,033 AUD