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Marquise|Natural|IGI

1.00ct E I1 Marquise Natural Diamond

VG • E/I1 • IGI 779604089

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 779604089

Diamond specifications and retailer prices

From $1,593 AUD
$1,119 USD
As of October 30, 2026
Save $2,464 AUD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,057 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 779604089. Listed at 7 retailers as of October 30, 2026, with prices from $1,593 to $4,057, a $2,464 spread on the same certified stone. NZ Jewellers lists it at $4,057. 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

1.00
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.9°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 779604089
Dimensions9.65 × 5.29 × 3.28 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Top View
9.65 mm5.29 mm1.00 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 779604089
Side View
Table 68.0%Crown 37.9°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.0%

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: Oct 30
Current: $4,057 AUD|Low: $1,593 AUD|High: $4,514 AUD|Avg: $2,216 AUD|-7.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$1,593 AUD
Retailer 4$1,664 AUD
Retailer 6$1,664 AUD
Retailer 5$1,728 AUD
Retailer 2$1,919 AUD
Retailer 8$2,128 AUD
Retailer 3$2,329 AUD
NZ Jewellers$4,057 AUD

38 data points across 8 retailers

7 retailers$1,593 AUD to $4,057 AUD

A
Cheapest Retailer
-
$1,593 AUD
$1,119 USD
A
Retailer 2
-
$1,664 AUD
$1,169 USD
View
A
Retailer 3
-
$1,664 AUD
$1,169 USD
View
A
Retailer 4
-
$1,728 AUD
$1,214 USD
View
A
Retailer 5
-
$1,919 AUD
$1,348 USD
View
B+
Retailer 6
-
$2,329 AUD
€1,558 EUR
View
Most Expensive
B+
NZ Jewellers
9492b552-06b1-4c8e-948a-043c823b1ae8 · Oct 30
$4,057 AUD
$2,850 USD
View
6 more retailers have this diamond
Prices start from $1,593 AUDSave up to $2,464 AUD

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
1.00ct Marquise
$1,593 AUD