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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 $3,509 SGD
₹260,688 INR
As of October 29, 2026
Save $3,253 SGD (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,007 SGD 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 29, 2026, with a 93% 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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,509 SGD|Low: $3,403 SGD|High: $6,806 SGD|Avg: $4,469 SGD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 1$3,509 SGD
Retailer 8$3,601 SGD
Retailer 6$3,648 SGD
Retailer 7$3,710 SGD
Retailer 2$4,375 SGD
Retailer 5$4,624 SGD
Retailer 4$4,702 SGD
Retailer 3$6,762 SGD

42 data points across 8 retailers

16 retailers$3,509 SGD to $6,762 SGD

A
Cheapest Retailer
-
$3,509 SGD
₹260,688 INR
A
Retailer 2
-
$3,601 SGD
$2,809 USD
View
A
Retailer 3
-
$3,648 SGD
$2,845 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$3,710 SGD
$2,894 USD
View
Final sale: no returns
A
Retailer 5
-
$4,022 SGD
$3,137 USD
View
Price last confirmed 36 days ago
A
Retailer 6
-
$4,022 SGD
$3,137 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$4,176 SGD
$3,257 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$4,205 SGD
$3,280 USD
View
A
Retailer 9
-
$4,375 SGD
£2,687 GBP
View
A
Retailer 10
-
$4,624 SGD
£2,840 GBP
View
A
Retailer 11
-
$4,640 SGD
$3,619 USD
View
Price last confirmed 20 days ago
A
Retailer 12
-
$4,640 SGD
$3,619 USD
View
Price last confirmed 37 days ago
A
Retailer 13
-
$4,702 SGD
€3,493 EUR
View
B+
Retailer 14
-
$6,762 SGD
£4,153 GBP
View
B+
Retailer 15
-
$7,007 SGD
$5,465 USD
View
Price last confirmed 39 days ago
Most Expensive
B+
NZ Jewellers
a56f6a24-12a2-42b2-9871-723d62479d26 · Sep 27
$7,007 SGD
$5,465 USD
View
Price last confirmed 32 days ago
15 more retailers have this diamond
Prices start from $3,509 SGDSave up to $3,253 SGD

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
$3,509 SGD