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Marquise|Natural|HRD

1.21ct I SI2 Marquise Natural Diamond

I/SI2 • HRD 260000228337

Certificate HRD 260000228337

Diamond specifications and retailer prices

From $3,193 AUD
As of November 3, 2026
Save $3,484 AUD (52%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,677 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included) and certified by HRD 260000228337. Listed at 4 retailers as of November 3, 2026, with prices from $3,193 to $6,677, a $3,484 spread on the same certified stone. NZ Jewellers lists it at $6,677. 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

1.21
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle37.55°
Pavilion angle40.1°
OriginNatural
Grading LabHRD
CertificateHRD 260000228337
Dimensions10.66 × 5.59 × 3.44 mm
L/W Ratio1.91
Girdle conditionMedium
Top View
10.66 mm5.59 mm1.21 ctI / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateHRD 260000228337
Side View
Table 61.0%Crown 37.55°GirdlePavilion 40.1°CuletDepth 61.6%

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: $6,677 AUD|Low: $3,193 AUD|High: $6,992 AUD|Avg: $4,816 AUD|-4.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$3,193 AUD
Retailer 3$3,342 AUD
Retailer 2$5,595 AUD
NZ Jewellers$6,677 AUD

14 data points across 4 retailers

4 retailers$3,193 AUD to $6,677 AUD

B+
Cheapest Retailer
-
$3,193 AUD
B+
Retailer 2
-
$3,342 AUD
View
B
Retailer 3
-
$5,595 AUD
View
Most Expensive
B
NZ Jewellers
0c61222b-c830-463b-83d7-d1566c489528 · Nov 3
$6,677 AUD
$4,588 USD
View
3 more retailers have this diamond
Prices start from $3,193 AUDSave up to $3,484 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+
1.21ct Marquise
$3,193 AUD