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Marquise|Natural|HRD

1.03ct K SI2 Marquise Natural Diamond

K/SI2 • HRD 260000181814

Certificate HRD 260000181814

Diamond specifications and retailer prices

From $1,825 AUD
As of November 3, 2026
Save $2,628 AUD (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,454 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 260000181814. Listed at 4 retailers as of November 3, 2026, with prices from $1,825 to $4,454, a $2,628 spread on the same certified stone. NZ Jewellers lists it at $4,454. 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

1.03
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle39.35°
Pavilion angle42.13°
OriginNatural
Grading LabHRD
CertificateHRD 260000181814
Dimensions10.51 × 4.97 × 3.36 mm
L/W Ratio2.11
Girdle conditionVery Thick
Top View
10.51 mm4.97 mm1.03 ctK / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateHRD 260000181814
Side View
Table 59.0%Crown 39.35°GirdlePavilion 42.13°CuletDepth 67.5%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: $4,454 AUD|Low: $1,825 AUD|High: $4,523 AUD|Avg: $2,955 AUD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$1,825 AUD
Retailer 3$1,896 AUD
Retailer 2$3,343 AUD
NZ Jewellers$4,454 AUD

12 data points across 4 retailers

4 retailers$1,825 AUD to $4,454 AUD

B+
Cheapest Retailer
-
$1,825 AUD
B+
Retailer 2
-
$1,896 AUD
View
B
Retailer 3
-
$3,343 AUD
View
Most Expensive
C
NZ Jewellers
d7553eaa-82a4-4944-8531-8099ad71e9fc · Nov 3
$4,454 AUD
$3,060 USD
View
3 more retailers have this diamond
Prices start from $1,825 AUDSave up to $2,628 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+
1.03ct Marquise
$1,825 AUD