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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 $2,194 USD
As of November 3, 2026
Save $2,394 USD (52%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,588 USD 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 $2,194 to $4,588, a $2,394 spread on the same certified stone. NZ Jewellers lists it at $4,588. 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
Color
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: $4,588 USD|Low: $2,194 USD|High: $4,804 USD|Avg: $3,309 USD|-4.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$2,194 USD
Retailer 3$2,296 USD
Retailer 2$3,844 USD
NZ Jewellers$4,588 USD

14 data points across 4 retailers

4 retailers$2,194 USD to $4,588 USD

B+
Cheapest Retailer
-
$2,194 USD
B+
Retailer 2
-
$2,296 USD
View
B
Retailer 3
-
$3,844 USD
View
Most Expensive
B
NZ Jewellers
0c61222b-c830-463b-83d7-d1566c489528 · Nov 3
$4,588 USD
View
3 more retailers have this diamond
Prices start from $2,194 USDSave up to $2,394 USD

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
$2,194 USD