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Round|Natural|IGI

1.01ct J I1 Round Natural Diamond

GD • J/I1 • IGI 175572036

Shape and cutting style on the report: Round brilliant

Certificate IGI 175572036

Diamond specifications and retailer prices

From $1,284 AUD
$900 USD
As of November 1, 2026
Save $830 AUD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,988 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by IGI 175572036. Listed at 9 retailers as of November 1, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle37.7°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 175572036
Dimensions6.14 × 6.12 × 4.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeMedium
Top View
6.14 mm6.12 mm1.01 ctJ / I1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 175572036
Side View
Table 57.0%Crown 37.7°Girdle: Very ThickPavilion 40.7°Culet: MediumDepth 66.3%

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: Nov 1
Current: $2,114 AUD|Low: $1,284 AUD|High: $2,835 AUD|Avg: $1,888 AUD|-22.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$1,284 AUD
Retailer 4$1,326 AUD
Retailer 2$1,386 AUD
Retailer 7$1,730 AUD
Retailer 1$2,114 AUD
Retailer 6$2,265 AUD
Retailer 5$2,434 AUD

19 data points across 7 retailers

9 retailers$1,284 AUD to $2,114 AUD

B+
Cheapest Retailer
-
$1,284 AUD
$900 USD
B+
Retailer 2
-
$1,386 AUD
$971 USD
View
Retailer 3
-
$1,730 AUD
$1,213 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$1,854 AUD
$1,299 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$1,854 AUD
$1,299 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$1,925 AUD
$1,349 USD
View
Price last confirmed 34 days ago
B
Retailer 7
-
$2,114 AUD
€1,411 EUR
View
Retailer 8
-
$2,137 AUD
$1,498 USD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
9fdc0cea-fe17-4592-8a3f-f79c2b04a003 · Sep 28
$4,988 AUD
$3,496 USD
View
Price last confirmed 35 days ago
8 more retailers have this diamond
Prices start from $1,284 AUDSave up to $830 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+
1.01ct Round
$1,284 AUD