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Marquise|Natural|IGI

1.02ct I SI1 Marquise Natural Diamond

GD • I/SI1 • IGI 490197349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 490197349

Diamond specifications and retailer prices

From $2,939 NZD
As of November 6, 2026
Save $5,311 NZD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,249 NZD at NZ Jewellers · As of November 3, 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 standard cut grade and certified by IGI 490197349. Listed at 16 retailers as of November 3, 2026, with prices from $2,939 to $8,249, a $5,311 spread on the same certified stone. NZ Jewellers lists it at $8,249. 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
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle31.9°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 490197349
Dimensions8.21 × 5.09 × 3.54 mm
L/W Ratio1.61
Girdle conditionFaceted
Culet sizePointed
Top View
8.21 mm5.09 mm1.02 ctI / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 490197349
Side View
Table 51.5%Crown 31.9°Girdle: STK-ETKPavilion 40.9°Culet: NoneDepth 69.5%

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 6
Current: $8,249 NZD|Low: $2,939 NZD|High: $8,249 NZD|Avg: $4,629 NZD
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
Retailer 14
November 6, 2026
Retailer 2$2,939 NZD
Retailer 6$3,640 NZD
Retailer 5$3,662 NZD
Retailer 13$3,749 NZD
Retailer 9$3,841 NZD
Retailer 4$3,945 NZD
Retailer 12$3,945 NZD
Retailer 3$4,127 NZD
Retailer 7$4,360 NZD
Retailer 14$4,553 NZD
Retailer 11$4,849 NZD
Retailer 10$4,907 NZD
Retailer 8$6,893 NZD
NZ Jewellers$8,249 NZD

29 data points across 14 retailers

16 retailers$2,939 NZD to $8,249 NZD

B+
Cheapest Retailer
-
$2,939 NZD
B+
Retailer 2
-
$3,563 NZD
View
B+
Retailer 3
-
$3,640 NZD
View
Final sale: no returns
B+
Retailer 4
-
$3,662 NZD
View
B+
Retailer 5
-
$3,749 NZD
View
B+
Retailer 6
-
$3,841 NZD
View
B+
Retailer 7
-
$3,945 NZD
View
Retailer 8
-
$3,945 NZD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$3,978 NZD
View
B+
Retailer 10
-
$4,127 NZD
View
B+
Retailer 11
-
$4,360 NZD
View
B+
Retailer 12
-
$4,553 NZD
View
B+
Retailer 13
-
$4,849 NZD
View
B+
Retailer 14
-
$4,907 NZD
View
B
Retailer 15
-
$6,893 NZD
View
Most Expensive
C
NZ Jewellers
b56b630e-bcbf-4ac9-9d45-6ea7030aedba · Nov 3
$8,249 NZD
$4,573 USD
View
15 more retailers have this diamond
Prices start from $2,939 NZDSave up to $5,311 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.

B+
1.02ct Marquise
$2,939 NZD