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Marquise|Natural|IGI

1.01ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 803629020

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803629020

Diamond specifications and retailer prices

From $3,657 NZD
As of November 5, 2026
Save $3,435 NZD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,722 NZD at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct 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 803629020. Listed at 18 retailers as of November 2, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 803629020
Dimensions9.75 × 5.17 × 3.34 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
9.75 mm5.17 mm1.01 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629020
Side View
Table 60.0%Crown 39.2°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.6%

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: $3,924 NZD|Low: $3,657 NZD|High: $7,395 NZD|Avg: $4,731 NZD|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$3,657 NZD
Retailer 3$3,736 NZD
Retailer 1$3,924 NZD
Retailer 11$3,954 NZD
Retailer 7$4,056 NZD
Retailer 4$4,172 NZD
Retailer 2$4,257 NZD
Retailer 10$4,296 NZD
Retailer 6$4,476 NZD
Retailer 5$4,940 NZD
Retailer 8$5,036 NZD
Retailer 9$7,092 NZD

34 data points across 12 retailers

18 retailers$3,657 NZD to $7,092 NZD

A
Cheapest Retailer
-
$3,657 NZD
A
Retailer 2
-
$3,736 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,924 NZD
View
B+
Retailer 4
-
$3,954 NZD
View
B+
Retailer 5
-
$4,056 NZD
View
Retailer 6
-
$4,172 NZD
View
Price last confirmed 7 days ago
Retailer 7
-
$4,172 NZD
View
Price last confirmed 35 days ago
Retailer 8
-
$4,172 NZD
View
Price last confirmed 20 days ago
B+
Retailer 9
-
$4,257 NZD
View
B+
Retailer 10
-
$4,296 NZD
View
Retailer 11
-
$4,364 NZD
View
Price last confirmed 35 days ago
B+
Retailer 12
-
$4,476 NZD
View
Retailer 13
-
$4,814 NZD
View
Price last confirmed 51 days ago
Retailer 14
-
$4,814 NZD
View
Price last confirmed 37 days ago
B+
Retailer 15
-
$4,940 NZD
View
B+
Retailer 16
-
$5,036 NZD
View
B
Retailer 17
-
$7,092 NZD
View
Most Expensive
NZ Jewellers
f17c358e-89c4-4a37-a46d-cfeeec25a26e · Sep 29
$8,722 NZD
$4,903 USD
View
Price last confirmed 37 days ago
17 more retailers have this diamond
Prices start from $3,657 NZDSave up to $3,435 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
1.01ct Marquise
$3,657 NZD