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Round|Natural|GIA

1.53ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6565303701

Certificate GIA 6565303701

Diamond specifications and retailer prices

From HK$25,811 HKD
As of November 4, 2026
Save HK$6,190 HKD (19%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$32,001 HKD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565303701. Listed at 6 retailers as of November 4, 2026, with prices from HK$25,811 to HK$32,001, a HK$6,190 spread on the same certified stone. Blue Nile lists it at HK$32,001. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6565303701
Dimensions7.32 × 7.36 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle, Indented Natural, Natural
Top View
7.32 mm7.36 mm1.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565303701
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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$32,001 HKD|Low: HK$22,751 HKD|High: HK$32,001 HKD|Avg: HK$29,121 HKD|+0.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3HK$25,811 HKD
Retailer 5HK$27,450 HKD
Retailer 4HK$29,529 HKD
Retailer 6HK$31,247 HKD
Retailer 2HK$31,271 HKD
Blue NileHK$32,001 HKD

26 data points across 6 retailers

6 retailersHK$25,811 HKD to HK$32,001 HKD

A
Cheapest Retailer
-
HK$25,811 HKD
A
Retailer 2
-
HK$27,450 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$29,529 HKD
View
B+
Retailer 4
-
HK$31,247 HKD
View
B+
Retailer 5
-
HK$31,271 HKD
View
Most Expensive
B+
Blue Nile
30420837 · Nov 5
HK$32,001 HKD
$4,079 USD
View
5 more retailers have this diamond
Prices start from HK$25,811 HKDSave up to HK$6,190 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$25,811 HKD