Round|Natural|IGI

1.53ct I I1 Round Natural Diamond

EX • I/I1 • IGI 573303620

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303620

Diamond specifications and retailer prices

From $3,189 AUD
$2,240 USD
As of November 1, 2026
Save $4,193 AUD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,381 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 573303620. Listed at 7 retailers as of October 30, 2026, with prices from $3,189 to $7,381, a $4,193 spread on the same certified stone. NZ Jewellers lists it at $7,381. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 573303620
Dimensions7.36 × 7.40 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.36 mm7.40 mm1.53 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 573303620
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

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 1
Current: $7,381 AUD|Low: $3,189 AUD|High: $8,438 AUD|Avg: $4,563 AUD|+4.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$3,189 AUD
Retailer 5$3,531 AUD
Retailer 7$3,531 AUD
Retailer 6$3,694 AUD
Retailer 8$3,949 AUD
Retailer 2$4,074 AUD
Retailer 3$4,408 AUD
Retailer 9$5,729 AUD
NZ Jewellers$7,381 AUD

35 data points across 9 retailers

7 retailers$3,189 AUD to $7,381 AUD

A
Cheapest Retailer
-
$3,189 AUD
$2,240 USD
A
Retailer 2
-
$3,531 AUD
$2,480 USD
View
A
Retailer 3
-
$3,531 AUD
$2,480 USD
View
A
Retailer 4
-
$3,694 AUD
$2,595 USD
View
A
Retailer 5
-
$4,074 AUD
$2,862 USD
View
B+
Retailer 6
-
$4,408 AUD
€2,949 EUR
View
Most Expensive
B
NZ Jewellers
a4436304-63c1-403c-a699-884f286276a3 · Oct 30
$7,381 AUD
$5,185 USD
View
6 more retailers have this diamond
Prices start from $3,189 AUDSave up to $4,193 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
1.53ct Round
$3,189 AUD