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Marquise|Natural|HRD

1.05ct K SI2 Marquise Natural Diamond

EX • K/SI2 • HRD 260000129415

Certificate HRD 260000129415

Diamond specifications and retailer prices

From $1,900 AUD
As of November 3, 2026
Save $2,734 AUD (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,634 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.05ct natural marquise diamond

This 1.05ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000129415. Listed at 4 retailers as of November 3, 2026, with prices from $1,900 to $4,634, a $2,734 spread on the same certified stone. NZ Jewellers lists it at $4,634. 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

1.05
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle37.89°
Pavilion angle39.65°
OriginNatural
Grading LabHRD
CertificateHRD 260000129415
Dimensions11.12 × 5.10 × 3.12 mm
L/W Ratio2.18
Girdle conditionMedium
Top View
11.12 mm5.10 mm1.05 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateHRD 260000129415
Side View
Table 57.0%Crown 37.89°GirdlePavilion 39.65°Culet: NoneDepth 61.1%

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 3
Current: $4,634 AUD|Low: $1,900 AUD|High: $4,793 AUD|Avg: $2,904 AUD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$1,900 AUD
Retailer 3$1,988 AUD
Retailer 5$2,050 AUD
Retailer 2$3,478 AUD
NZ Jewellers$4,634 AUD

17 data points across 5 retailers

4 retailers$1,900 AUD to $4,634 AUD

A
Cheapest Retailer
-
$1,900 AUD
A
Retailer 2
-
$1,988 AUD
View
B
Retailer 3
-
$3,478 AUD
View
Most Expensive
B
NZ Jewellers
35a7d12d-9bda-41d9-9815-c615b06e6e0a · Nov 3
$4,634 AUD
$3,244 USD
View
3 more retailers have this diamond
Prices start from $1,900 AUDSave up to $2,734 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
1.05ct Marquise
$1,900 AUD