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Marquise|Natural|IGI

1.02ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 814631406

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 814631406

Diamond specifications and retailer prices

From $3,905 NZD
As of November 6, 2026
Save $5,134 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,039 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct 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 814631406. Listed at 12 retailers as of November 5, 2026, with prices from $3,905 to $9,039, a $5,134 spread on the same certified stone. NZ Jewellers lists it at $9,039. 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

1.02
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.5°
OriginNatural
Grading LabIGI
CertificateIGI 814631406
Dimensions10.31 × 5.29 × 2.98 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
10.31 mm5.29 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 814631406
Side View
Table 64.0%Crown 41.2°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 56.3%

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 6
Current: $9,039 NZD|Low: $3,905 NZD|High: $9,039 NZD|Avg: $5,362 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$3,905 NZD
Retailer 2$4,194 NZD
Retailer 7$4,311 NZD
Retailer 9$4,324 NZD
Retailer 10$4,324 NZD
Retailer 8$4,522 NZD
Retailer 4$4,654 NZD
Retailer 3$5,368 NZD
Retailer 5$7,573 NZD
NZ Jewellers$9,039 NZD

43 data points across 10 retailers

12 retailers$3,905 NZD to $9,039 NZD

A
Cheapest Retailer
-
$3,905 NZD
A
Retailer 2
-
$4,194 NZD
View
B+
Retailer 3
-
$4,311 NZD
View
B+
Retailer 4
-
$4,324 NZD
View
Retailer 5
-
$4,324 NZD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$4,522 NZD
View
B+
Retailer 7
-
$4,575 NZD
View
B+
Retailer 8
-
$4,654 NZD
View
B+
Retailer 9
-
$4,990 NZD
View
B+
Retailer 10
-
$5,368 NZD
View
B
Retailer 11
-
$7,573 NZD
View
Most Expensive
C
NZ Jewellers
3eac5340-a13c-4096-af2b-684dc56942ad · Nov 5
$9,039 NZD
$5,011 USD
View
11 more retailers have this diamond
Prices start from $3,905 NZDSave up to $5,134 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
1.02ct Marquise
$3,905 NZD