Round|Natural|IGI

1.53ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 572328573

Shape and cutting style on the report: Round brilliant

Certificate IGI 572328573

Diamond specifications and retailer prices

From $4,836 NZD
₹259,586 INR
As of October 31, 2026
Save $4,470 NZD (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,697 NZD at NZ Jewellers · As of September 27, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 572328573. Listed at 16 retailers as of October 31, 2026, with a 92% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.7°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 572328573
Dimensions7.31 × 7.36 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.31 mm7.36 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 572328573
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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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: Oct 31
Current: $6,487 NZD|Low: $4,709 NZD|High: $9,419 NZD|Avg: $6,192 NZD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$4,836 NZD
Retailer 8$4,984 NZD
Retailer 6$5,048 NZD
Retailer 7$5,135 NZD
Retailer 2$6,020 NZD
Retailer 5$6,400 NZD
Retailer 1$6,487 NZD
Retailer 3$9,306 NZD

41 data points across 8 retailers

16 retailers$4,836 NZD to $9,306 NZD

A
Cheapest Retailer
-
$4,836 NZD
₹259,586 INR
A
Retailer 2
-
$4,984 NZD
$2,809 USD
View
A
Retailer 3
-
$5,048 NZD
$2,845 USD
View
A
Retailer 4
-
$5,135 NZD
$2,894 USD
View
Final sale: no returns
Retailer 5
-
$5,566 NZD
$3,137 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$5,566 NZD
$3,137 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$5,779 NZD
$3,257 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$5,820 NZD
$3,280 USD
View
A
Retailer 9
-
$6,020 NZD
£2,671 GBP
View
A
Retailer 10
-
$6,400 NZD
£2,840 GBP
View
Retailer 11
-
$6,421 NZD
$3,619 USD
View
Price last confirmed 23 days ago
Retailer 12
-
$6,421 NZD
$3,619 USD
View
Price last confirmed 41 days ago
A
Retailer 13
-
$6,487 NZD
€3,482 EUR
View
B+
Retailer 14
-
$9,306 NZD
£4,130 GBP
View
Retailer 15
-
$9,697 NZD
$5,465 USD
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
a56f6a24-12a2-42b2-9871-723d62479d26 · Sep 27
$9,697 NZD
$5,465 USD
View
Price last confirmed 36 days ago
15 more retailers have this diamond
Prices start from $4,836 NZDSave up to $4,470 NZD

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
$4,836 NZD