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Marquise|Natural|IGI

1.05ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 803629059

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803629059

Diamond specifications and retailer prices

From $2,917 NZD
As of November 6, 2026
Save $5,009 NZD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,926 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural marquise diamond

This 1.05ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 803629059. Listed at 17 retailers as of November 5, 2026, with prices from $2,917 to $7,926, a $5,009 spread on the same certified stone. NZ Jewellers lists it at $7,926. 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

1.05
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 803629059
Dimensions10.25 × 5.23 × 3.37 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
10.25 mm5.23 mm1.05 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629059
Side View
Table 64.0%Crown 37.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 64.4%

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 6
Current: $7,926 NZD|Low: $2,917 NZD|High: $8,168 NZD|Avg: $4,150 NZD|-3.0%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 9$2,917 NZD
Retailer 2$2,955 NZD
Retailer 10$3,106 NZD
Retailer 4$3,251 NZD
Retailer 5$3,263 NZD
Retailer 8$3,348 NZD
Retailer 15$3,355 NZD
Retailer 16$3,400 NZD
Retailer 6$3,402 NZD
Retailer 11$3,449 NZD
Retailer 12$3,613 NZD
Retailer 13$3,694 NZD
Retailer 14$3,967 NZD
Retailer 7$4,438 NZD
Retailer 3$5,695 NZD
NZ Jewellers$7,926 NZD

30 data points across 16 retailers

17 retailers$2,917 NZD to $7,926 NZD

A
Cheapest Retailer
-
$2,917 NZD
A
Retailer 2
-
$2,955 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,106 NZD
View
A
Retailer 4
-
$3,251 NZD
View
B+
Retailer 5
-
$3,263 NZD
View
Retailer 6
-
$3,348 NZD
View
Price last confirmed 9 days ago
Retailer 7
-
$3,348 NZD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$3,355 NZD
View
A
Retailer 9
-
$3,400 NZD
View
B+
Retailer 10
-
$3,402 NZD
View
B+
Retailer 11
-
$3,449 NZD
View
B+
Retailer 12
-
$3,613 NZD
View
B+
Retailer 13
-
$3,694 NZD
View
B+
Retailer 14
-
$3,967 NZD
View
B+
Retailer 15
-
$4,438 NZD
View
B
Retailer 16
-
$5,695 NZD
View
Most Expensive
B
NZ Jewellers
df244d37-a841-4774-a08c-ce483326442f · Nov 5
$7,926 NZD
$4,394 USD
View
16 more retailers have this diamond
Prices start from $2,917 NZDSave up to $5,009 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
1.05ct Marquise
$2,917 NZD