Marquise|Natural|IGI

1.01ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 689598852

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 689598852

Diamond specifications and retailer prices

From $2,061 AUD
As of November 6, 2026
Save $3,387 AUD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,448 AUD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 689598852. Listed at 17 retailers as of November 5, 2026, with prices from $2,061 to $5,448, a $3,387 spread on the same certified stone. NZ Jewellers lists it at $5,448. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.8°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 689598852
Dimensions9.21 × 5.12 × 3.44 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Top View
9.21 mm5.12 mm1.01 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 689598852
Side View
Table 57.0%Crown 36.8°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 67.2%

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: $2,509 AUD|Low: $1,889 AUD|High: $3,959 AUD|Avg: $2,524 AUD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,061 AUD
Retailer 2$2,070 AUD
Retailer 6$2,096 AUD
Retailer 9$2,225 AUD
Retailer 8$2,334 AUD
Retailer 10$2,358 AUD
Retailer 1$2,509 AUD
Retailer 3$2,725 AUD
Retailer 5$3,036 AUD
Retailer 4$3,900 AUD

43 data points across 10 retailers

17 retailers$2,061 AUD to $5,448 AUD

B+
Cheapest Retailer
-
$2,061 AUD
Final sale: no returns
A
Retailer 2
-
$2,070 AUD
View
A
Retailer 3
-
$2,096 AUD
View
B+
Retailer 4
-
$2,225 AUD
View
B+
Retailer 5
-
$2,234 AUD
View
Retailer 6
-
$2,234 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,334 AUD
View
B+
Retailer 8
-
$2,336 AUD
View
B+
Retailer 9
-
$2,358 AUD
View
B+
Retailer 10
-
$2,431 AUD
View
B+
Retailer 11
-
$2,509 AUD
View
Retailer 12
-
$2,578 AUD
View
Price last confirmed 62 days ago
B+
Retailer 13
-
$2,578 AUD
View
B+
Retailer 14
-
$2,725 AUD
View
B+
Retailer 15
-
$3,036 AUD
View
B
Retailer 16
-
$3,900 AUD
View
Most Expensive
C
NZ Jewellers
18a7ab83-2242-4778-9df9-c5a7ba029c24 · Nov 5
$5,448 AUD
$3,743 USD
View
16 more retailers have this diamond
Prices start from $2,061 AUDSave up to $3,387 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
1.01ct Marquise
$2,061 AUD