Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1559434372

Certificate GIA 1559434372

Diamond specifications and retailer prices

From HK$33,301 HKD
As of November 4, 2026
Save HK$34,243 HKD (51%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$67,544 HKD at MOH London · As of November 2, 2026
View at MOH London

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 1559434372. Listed at 7 retailers as of November 2, 2026, with prices from HK$33,301 to HK$67,544, a HK$34,243 spread on the same certified stone. MOH London lists it at HK$67,544. 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
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559434372
Dimensions7.34 × 7.38 × 4.50 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.34 mm7.38 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559434372
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.2%

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 4
Current: HK$67,544 HKD|Low: HK$33,301 HKD|High: HK$71,247 HKD|Avg: HK$46,495 HKD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5HK$33,301 HKD
Retailer 4HK$37,643 HKD
Retailer 6HK$39,720 HKD
Retailer 7HK$43,733 HKD
Retailer 2HK$46,397 HKD
Retailer 3HK$48,851 HKD
MOH LondonHK$67,544 HKD

38 data points across 7 retailers

7 retailersHK$33,301 HKD to HK$67,544 HKD

A
Cheapest Retailer
-
HK$33,301 HKD
A
Retailer 2
-
HK$37,643 HKD
View
A
Retailer 3
-
HK$39,720 HKD
View
Retailer 4
-
HK$43,733 HKD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
HK$46,397 HKD
View
B+
Retailer 6
-
HK$48,851 HKD
View
Most Expensive
B
MOH London
E45123A58 · Nov 2
HK$67,544 HKD
£6,786 GBP
View
6 more retailers have this diamond
Prices start from HK$33,301 HKDSave up to HK$34,243 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$33,301 HKD