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Marquise|Natural|IGI

1.21ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 770656600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 770656600

Diamond specifications and retailer prices

From $2,964 NZD
As of November 5, 2026
Save $4,874 NZD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,838 NZD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 770656600. Listed at 8 retailers as of November 5, 2026, with prices from $2,964 to $7,838, a $4,874 spread on the same certified stone. NZ Jewellers lists it at $7,838. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.6°
Pavilion angle34.4°
OriginNatural
Grading LabIGI
CertificateIGI 770656600
Dimensions10.33 × 5.45 × 3.24 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.33 mm5.45 mm1.21 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 770656600
Side View
Table 60.0%Crown 44.6°Girdle: THK-VTKPavilion 34.4°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,838 NZD|Low: $2,717 NZD|High: $8,206 NZD|Avg: $4,301 NZD|-4.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$2,964 NZD
Retailer 2$3,117 NZD
Retailer 6$3,215 NZD
Retailer 8$3,321 NZD
Retailer 7$3,362 NZD
Retailer 3$4,286 NZD
Retailer 5$5,614 NZD
NZ Jewellers$7,838 NZD

42 data points across 8 retailers

8 retailers$2,964 NZD to $7,838 NZD

A
Cheapest Retailer
-
$2,964 NZD
A
Retailer 2
-
$3,117 NZD
View
A
Retailer 3
-
$3,215 NZD
View
B+
Retailer 4
-
$3,321 NZD
View
B+
Retailer 5
-
$3,362 NZD
View
B+
Retailer 6
-
$4,286 NZD
View
B
Retailer 7
-
$5,614 NZD
View
Most Expensive
B
NZ Jewellers
c29f788d-337b-418e-a9e7-16f9ddd7a0e5 · Nov 5
$7,838 NZD
$4,345 USD
View
7 more retailers have this diamond
Prices start from $2,964 NZDSave up to $4,874 NZD

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
1.21ct Marquise
$2,964 NZD