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Round|Natural|IGI

1.00ct M I1 Round Natural Diamond

GD • M/I1 • IGI 270793525

Shape and cutting style on the report: Round brilliant

Certificate IGI 270793525

Diamond specifications and retailer prices

From $1,337 AUD
As of November 5, 2026
Save $2,854 AUD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,191 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and I1 clarity (included), with a standard cut grade and certified by IGI 270793525. Listed at 7 retailers as of November 5, 2026, with prices from $1,337 to $4,191, a $2,854 spread on the same certified stone. NZ Jewellers lists it at $4,191. 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
M
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceFaint
Crown angle36.4°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 270793525
Dimensions6.33 × 6.38 × 3.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.33 mm6.38 mm1.00 ctM / I1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 270793525
Side View
Table 64.0%Crown 36.4°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 60.0%

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 5
Current: $4,191 AUD|Low: $1,337 AUD|High: $4,191 AUD|Avg: $1,836 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$1,337 AUD
Retailer 6$1,337 AUD
Retailer 8$1,351 AUD
Retailer 3$1,389 AUD
Retailer 5$1,541 AUD
Retailer 7$1,608 AUD
Retailer 2$1,868 AUD
NZ Jewellers$4,191 AUD

19 data points across 8 retailers

7 retailers$1,337 AUD to $4,191 AUD

Retailer 1
-
$1,337 AUD
Price last confirmed 8 days ago
B+
Retailer 2
-
$1,337 AUD
View
B+
Retailer 3
-
$1,351 AUD
View
B
Retailer 4
-
$1,389 AUD
View
B
Retailer 5
-
$1,541 AUD
View
B
Retailer 6
-
$1,868 AUD
View
Most Expensive
D
NZ Jewellers
b686d366-3451-4cbd-89eb-76ec679f0fda · Nov 5
$4,191 AUD
$2,934 USD
View
6 more retailers have this diamond
Prices start from $1,337 AUDSave up to $2,854 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 Round
$1,337 AUD