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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 HK$21,385 HKD
₹259,586 INR
As of October 31, 2026
Save HK$19,767 HKD (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$42,877 HKD 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

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: Oct 31
Current: HK$28,685 HKD|Low: HK$20,822 HKD|High: HK$41,650 HKD|Avg: HK$27,355 HKD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4HK$21,385 HKD
Retailer 8HK$22,039 HKD
Retailer 6HK$22,321 HKD
Retailer 7HK$22,705 HKD
Retailer 2HK$26,618 HKD
Retailer 5HK$28,298 HKD
Retailer 1HK$28,685 HKD
Retailer 3HK$41,151 HKD

42 data points across 8 retailers

16 retailersHK$21,385 HKD to HK$41,151 HKD

A
Cheapest Retailer
-
HK$21,385 HKD
₹259,586 INR
A
Retailer 2
-
HK$22,039 HKD
$2,809 USD
View
A
Retailer 3
-
HK$22,321 HKD
$2,845 USD
View
A
Retailer 4
-
HK$22,705 HKD
$2,894 USD
View
Final sale: no returns
Retailer 5
-
HK$24,612 HKD
$3,137 USD
View
Price last confirmed 40 days ago
Retailer 6
-
HK$24,612 HKD
$3,137 USD
View
Price last confirmed 24 days ago
Retailer 7
-
HK$25,553 HKD
$3,257 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
HK$25,733 HKD
$3,280 USD
View
A
Retailer 9
-
HK$26,618 HKD
£2,671 GBP
View
A
Retailer 10
-
HK$28,298 HKD
£2,840 GBP
View
Retailer 11
-
HK$28,394 HKD
$3,619 USD
View
Price last confirmed 23 days ago
Retailer 12
-
HK$28,394 HKD
$3,619 USD
View
Price last confirmed 40 days ago
A
Retailer 13
-
HK$28,685 HKD
€3,482 EUR
View
B+
Retailer 14
-
HK$41,151 HKD
£4,130 GBP
View
Retailer 15
-
HK$42,877 HKD
$5,465 USD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
a56f6a24-12a2-42b2-9871-723d62479d26 · Sep 27
HK$42,877 HKD
$5,465 USD
View
Price last confirmed 35 days ago
15 more retailers have this diamond
Prices start from HK$21,385 HKDSave up to HK$19,767 HKD

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
HK$21,385 HKD