Marquise|Natural|IGI

1.00ct E I1 Marquise Natural Diamond

VG • E/I1 • IGI 700529116

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 700529116

Diamond specifications and retailer prices

From $2,053 AUD
$1,442 USD
As of October 30, 2026
Save $3,351 AUD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,404 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 700529116. Listed at 8 retailers as of October 30, 2026, with prices from $2,053 to $5,404, a $3,351 spread on the same certified stone. NZ Jewellers lists it at $5,404. 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
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 700529116
Dimensions9.78 × 5.30 × 3.31 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
9.78 mm5.30 mm1.00 ctE / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateIGI 700529116
Side View
Table 64.0%Crown 32.5°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 62.5%

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: Oct 30
Current: $5,404 AUD|Low: $1,556 AUD|High: $5,404 AUD|Avg: $2,613 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10$1,556 AUD
Retailer 7$2,053 AUD
Retailer 6$2,215 AUD
Retailer 8$2,215 AUD
Retailer 4$2,316 AUD
Retailer 3$2,318 AUD
Retailer 5$2,557 AUD
Retailer 9$2,637 AUD
Retailer 2$3,025 AUD
NZ Jewellers$5,404 AUD

19 data points across 10 retailers

8 retailers$2,053 AUD to $5,404 AUD

B+
Cheapest Retailer
-
$2,053 AUD
$1,442 USD
B+
Retailer 2
-
$2,215 AUD
$1,556 USD
View
B+
Retailer 3
-
$2,215 AUD
$1,556 USD
View
B+
Retailer 4
-
$2,316 AUD
$1,627 USD
View
B+
Retailer 5
-
$2,318 AUD
$1,628 USD
View
B+
Retailer 6
-
$2,557 AUD
$1,796 USD
View
B+
Retailer 7
-
$3,025 AUD
€2,024 EUR
View
Most Expensive
B
NZ Jewellers
8639ae09-f654-407b-b9da-7db43b103a29 · Oct 30
$5,404 AUD
$3,796 USD
View
7 more retailers have this diamond
Prices start from $2,053 AUDSave up to $3,351 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.

B+
1.00ct Marquise
$2,053 AUD