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1.55ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 670479391

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479391

Diamond specifications and retailer prices

From HK$15,267 HKD
As of November 4, 2026
Save HK$20,076 HKD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$35,343 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479391. Listed at 11 retailers as of November 4, 2026, with prices from HK$15,267 to HK$35,343, a HK$20,076 spread on the same certified stone. NZ Jewellers lists it at HK$35,343. 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

1.55
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 670479391
Dimensions7.36 × 7.43 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.43 mm1.55 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 670479391
Side View
Table 55.0%Crown 32.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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$35,343 HKD|Low: HK$15,267 HKD|High: HK$38,512 HKD|Avg: HK$20,420 HKD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6HK$15,267 HKD
Retailer 3HK$16,192 HKD
Retailer 10HK$16,906 HKD
Retailer 9HK$17,063 HKD
Retailer 11HK$17,205 HKD
Retailer 7HK$17,683 HKD
Retailer 2HK$18,405 HKD
Retailer 8HK$19,503 HKD
Retailer 4HK$20,633 HKD
Retailer 5HK$20,978 HKD
NZ JewellersHK$35,343 HKD

38 data points across 11 retailers

11 retailersHK$15,267 HKD to HK$35,343 HKD

A
Cheapest Retailer
-
HK$15,267 HKD
A
Retailer 2
-
HK$16,192 HKD
View
A
Retailer 3
-
HK$16,906 HKD
View
A
Retailer 4
-
HK$17,063 HKD
View
Retailer 5
-
HK$17,205 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$17,683 HKD
View
A
Retailer 7
-
HK$18,405 HKD
View
A
Retailer 8
-
HK$19,503 HKD
View
A
Retailer 9
-
HK$20,633 HKD
View
B+
Retailer 10
-
HK$20,978 HKD
View
Most Expensive
B
NZ Jewellers
7dd6dd44-cec5-4278-a7e2-034ae5b383da · Nov 5
HK$35,343 HKD
$4,505 USD
View
10 more retailers have this diamond
Prices start from HK$15,267 HKDSave up to HK$20,076 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
1.55ct Round
HK$15,267 HKD