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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 €1,448 EUR
As of November 6, 2026
Save €2,487 EUR (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,936 EUR 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 €1,448 to €3,936, a €2,487 spread on the same certified stone. NZ Jewellers lists it at €3,936. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €3,936 EUR|Low: €1,448 EUR|High: €4,056 EUR|Avg: €2,061 EUR|-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€1,448 EUR
Retailer 2€1,467 EUR
Retailer 10€1,542 EUR
Retailer 4€1,614 EUR
Retailer 5€1,620 EUR
Retailer 8€1,662 EUR
Retailer 15€1,666 EUR
Retailer 16€1,688 EUR
Retailer 6€1,689 EUR
Retailer 11€1,713 EUR
Retailer 12€1,794 EUR
Retailer 13€1,834 EUR
Retailer 14€1,970 EUR
Retailer 7€2,203 EUR
Retailer 3€2,828 EUR
NZ Jewellers€3,936 EUR

30 data points across 16 retailers

17 retailers€1,448 EUR to €3,936 EUR

A
Cheapest Retailer
-
€1,448 EUR
A
Retailer 2
-
€1,467 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,542 EUR
View
A
Retailer 4
-
€1,614 EUR
View
B+
Retailer 5
-
€1,620 EUR
View
Retailer 6
-
€1,662 EUR
View
Price last confirmed 9 days ago
Retailer 7
-
€1,662 EUR
View
Price last confirmed 22 days ago
B+
Retailer 8
-
€1,666 EUR
View
A
Retailer 9
-
€1,688 EUR
View
B+
Retailer 10
-
€1,689 EUR
View
B+
Retailer 11
-
€1,713 EUR
View
B+
Retailer 12
-
€1,794 EUR
View
B+
Retailer 13
-
€1,834 EUR
View
B+
Retailer 14
-
€1,970 EUR
View
B+
Retailer 15
-
€2,203 EUR
View
B
Retailer 16
-
€2,828 EUR
View
Most Expensive
B
NZ Jewellers
df244d37-a841-4774-a08c-ce483326442f · Nov 5
€3,936 EUR
$4,394 USD
View
16 more retailers have this diamond
Prices start from €1,448 EURSave up to €2,487 EUR

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
€1,448 EUR