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Marquise|Natural|IGI

1.00ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 843628745

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 843628745

Diamond specifications and retailer prices

From $2,672 NZD
As of November 4, 2026
Save $4,358 NZD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,030 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 843628745. Listed at 12 retailers as of November 3, 2026, with prices from $2,672 to $7,030, a $4,358 spread on the same certified stone. NZ Jewellers lists it at $7,030. 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

1.00
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle28.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 843628745
Dimensions10.75 × 5.25 × 2.98 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeMedium
Top View
10.75 mm5.25 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 843628745
Side View
Table 63.0%Crown 28.5°Girdle: MED-THKPavilion 41.2°Culet: MediumDepth 56.8%

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 4
Current: $7,030 NZD|Low: $2,659 NZD|High: $7,260 NZD|Avg: $3,500 NZD|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 3$2,659 NZD
Retailer 13$2,672 NZD
Retailer 7$2,677 NZD
Retailer 5$2,882 NZD
Retailer 12$2,882 NZD
Retailer 11$2,941 NZD
Retailer 4$3,015 NZD
Retailer 2$3,284 NZD
Retailer 10$3,327 NZD
Retailer 8$3,519 NZD
Retailer 9$3,935 NZD
Retailer 6$5,049 NZD
NZ Jewellers$7,030 NZD

14 data points across 13 retailers

12 retailers$2,672 NZD to $7,030 NZD

A
Cheapest Retailer
-
$2,672 NZD
A
Retailer 2
-
$2,677 NZD
View
Retailer 3
-
$2,882 NZD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$2,882 NZD
View
A
Retailer 5
-
$2,941 NZD
View
A
Retailer 6
-
$3,015 NZD
View
A
Retailer 7
-
$3,284 NZD
View
B+
Retailer 8
-
$3,327 NZD
View
A
Retailer 9
-
$3,519 NZD
View
A
Retailer 10
-
$3,935 NZD
View
B+
Retailer 11
-
$5,049 NZD
View
Most Expensive
B
NZ Jewellers
dd248388-ee08-40d2-9639-c78f6ee0dd9a · Nov 3
$7,030 NZD
$3,952 USD
View
11 more retailers have this diamond
Prices start from $2,672 NZDSave up to $4,358 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
1.00ct Marquise
$2,672 NZD