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Round|Natural|GIA

1.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2556412690

Certificate GIA 2556412690

Diamond specifications and retailer prices

From HK$33,172 HKD
$4,228 USD
As of October 30, 2026
Save HK$36,397 HKD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$72,353 HKD at NZ Jewellers · As of October 3, 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 GIA 2556412690. Listed at 14 retailers as of October 30, 2026, with a 110% 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
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556412690
Dimensions7.29 × 7.32 × 4.61 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Needle
Top View
7.29 mm7.32 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556412690
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.1%

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: Oct 30
Current: HK$33,776 HKD|Low: HK$33,172 HKD|High: HK$71,054 HKD|Avg: HK$45,891 HKD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2HK$33,172 HKD
Retailer 1HK$33,776 HKD
Retailer 11HK$38,679 HKD
Retailer 9HK$44,328 HKD
Retailer 10HK$44,328 HKD
Retailer 8HK$45,819 HKD
Retailer 4HK$47,244 HKD
Retailer 7HK$48,196 HKD
Retailer 3HK$48,276 HKD
Retailer 6HK$49,222 HKD
Retailer 5HK$69,569 HKD

30 data points across 11 retailers

14 retailersHK$33,172 HKD to HK$69,569 HKD

A
Cheapest Retailer
-
HK$33,172 HKD
$4,228 USD
A
Retailer 2
-
HK$33,776 HKD
$4,305 USD
View
A
Retailer 3
-
HK$38,679 HKD
$4,930 USD
View
Retailer 4
-
HK$39,189 HKD
$4,995 USD
View
Price last confirmed 24 days ago
Retailer 5
-
HK$39,990 HKD
$5,097 USD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
HK$43,379 HKD
$5,529 USD
View
B+
Retailer 7
-
HK$44,328 HKD
$5,650 USD
View
B+
Retailer 8
-
HK$44,328 HKD
$5,650 USD
View
Retailer 9
-
HK$45,223 HKD
$5,764 USD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
HK$45,819 HKD
$5,840 USD
View
B+
Retailer 11
-
HK$47,244 HKD
£4,741 GBP
View
B+
Retailer 12
-
HK$49,222 HKD
€5,975 EUR
View
B
Retailer 13
-
HK$69,569 HKD
£6,982 GBP
View
Most Expensive
NZ Jewellers
e3f72e15-2664-4947-9355-d20b6febb113 · Oct 3
HK$72,353 HKD
$9,222 USD
View
Price last confirmed 29 days ago
13 more retailers have this diamond
Prices start from HK$33,172 HKDSave up to HK$36,397 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$33,172 HKD