Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1232503296

Certificate GIA 1232503296

Diamond specifications and retailer prices

From HK$42,988 HKD
As of November 1, 2026
Save HK$36,091 HKD (46%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$95,475 HKD at NZ Jewellers · As of September 28, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1232503296. Listed at 21 retailers as of November 1, 2026, with a 84% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1232503296
Dimensions7.34 × 7.29 × 4.53 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud
Top View
7.34 mm7.29 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232503296
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: HK$53,663 HKD|Low: HK$42,988 HKD|High: HK$80,514 HKD|Avg: HK$54,883 HKD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6HK$42,988 HKD
Retailer 2HK$44,955 HKD
Retailer 8HK$47,573 HKD
Retailer 13HK$47,581 HKD
Retailer 4HK$47,847 HKD
Retailer 5HK$50,731 HKD
Retailer 9HK$51,257 HKD
Retailer 7HK$51,539 HKD
Retailer 15HK$52,338 HKD
Retailer 1HK$53,663 HKD
Retailer 17HK$55,214 HKD
Retailer 10HK$56,727 HKD
Retailer 16HK$56,978 HKD
Retailer 18HK$56,978 HKD
Retailer 3HK$58,859 HKD
Retailer 14HK$62,699 HKD
Retailer 11HK$69,416 HKD
Retailer 12HK$79,079 HKD

45 data points across 18 retailers

21 retailersHK$42,988 HKD to HK$79,079 HKD

A
Cheapest Retailer
-
HK$42,988 HKD
A
Retailer 2
-
HK$44,955 HKD
View
B+
Retailer 3
-
HK$47,573 HKD
View
Final sale: no returns
Retailer 4
-
HK$47,581 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$47,847 HKD
View
B+
Retailer 6
-
HK$50,731 HKD
View
B+
Retailer 7
-
HK$51,257 HKD
View
B+
Retailer 8
-
HK$51,539 HKD
View
Retailer 9
-
HK$51,719 HKD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
HK$52,338 HKD
View
B+
Retailer 11
-
HK$53,663 HKD
View
Retailer 12
-
HK$55,214 HKD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
HK$56,727 HKD
View
B+
Retailer 14
-
HK$56,978 HKD
View
B+
Retailer 15
-
HK$56,978 HKD
View
B
Retailer 16
-
HK$58,859 HKD
View
Retailer 17
-
HK$59,674 HKD
View
Price last confirmed 38 days ago
Retailer 18
-
HK$62,699 HKD
View
Price last confirmed 14 days ago
B
Retailer 19
-
HK$69,416 HKD
View
B
Retailer 20
-
HK$79,079 HKD
View
Most Expensive
NZ Jewellers
31c363f7-2741-4b40-8324-1d435581678b · Sep 28
HK$95,475 HKD
$12,182 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from HK$42,988 HKDSave up to HK$36,091 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$42,988 HKD