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Round|Natural|HRD

3.18ct K I1 Round Natural Diamond

FR • K/I1 • HRD 220000015293

Certificate HRD 220000015293

Diamond specifications and retailer prices

From $28,461 AUD
As of November 4, 2026
Save $11,272 AUD (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $39,734 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 I1 clarity (included), with a standard cut grade and certified by HRD 220000015293. Listed at 7 retailers as of November 4, 2026, with prices from $28,461 to $39,734, a $11,272 spread on the same certified stone. NZ Jewellers lists it at $39,734. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.18
Carat
K
Colour
I1
Clarity
Fair
Cut

Specifications

CutFair
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 220000015293
Dimensions9.67 × 9.88 × 5.50 mm
L/W Ratio1.02
Top View
9.67 mm9.88 mm3.18 ctK / I1
OriginNatural
CutFair
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateHRD 220000015293
Side View
Table 55.0%CrownGirdlePavilionCuletDepth 56.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $33,840 AUD|Low: $28,461 AUD|High: $54,179 AUD|Avg: $37,442 AUD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$28,461 AUD
Retailer 3$30,960 AUD
Retailer 1$33,840 AUD
Retailer 4$54,179 AUD

20 data points across 4 retailers

7 retailers$28,461 AUD to $39,734 AUD

B
Cheapest Retailer
-
$28,461 AUD
Retailer 2
-
$30,960 AUD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$32,507 AUD
View
C
Retailer 4
-
$33,540 AUD
View
C
Retailer 5
-
$33,840 AUD
View
C
Retailer 6
-
$34,830 AUD
View
Most Expensive
C
NZ Jewellers
3c4577a6-0e56-496c-8637-f0810ba51f8b · Nov 5
$39,734 AUD
$27,815 USD
View
6 more retailers have this diamond
Prices start from $28,461 AUDSave up to $11,272 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
3.18ct Round
$28,461 AUD