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1.53ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 815627660

Shape and cutting style on the report: Round brilliant

Certificate IGI 815627660

Diamond specifications and retailer prices

From HK$12,231 HKD
As of November 6, 2026
Save HK$14,671 HKD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$26,901 HKD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 815627660. Listed at 5 retailers as of November 4, 2026, with prices from HK$12,231 to HK$26,901, a HK$14,671 spread on the same certified stone. MOH London lists it at HK$26,901. 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
FluorescenceNone
Crown angle36.2°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 815627660
Dimensions7.32 × 7.36 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.32 mm7.36 mm1.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815627660
Side View
Table 56.0%Crown 36.2°Girdle: MediumPavilion 40.7°CuletDepth 62.7%

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 6
Current: HK$26,901 HKD|Low: HK$12,231 HKD|High: HK$27,290 HKD|Avg: HK$18,079 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2HK$12,231 HKD
Retailer 4HK$14,976 HKD
Retailer 3HK$16,906 HKD
MOH LondonHK$26,901 HKD

46 data points across 4 retailers

5 retailersHK$12,231 HKD to HK$26,901 HKD

A
Cheapest Retailer
-
HK$12,231 HKD
Retailer 2
-
HK$14,223 HKD
View
Price last confirmed 95 days ago
B+
Retailer 3
-
HK$14,976 HKD
View
A
Retailer 4
-
HK$16,906 HKD
View
Most Expensive
B+
MOH London
7334171B4 · Nov 4
HK$26,901 HKD
£2,700 GBP
View
4 more retailers have this diamond
Prices start from HK$12,231 HKDSave up to HK$14,671 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$12,231 HKD