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Marquise|Natural|IGI

1.51ct K SI1 Marquise Natural Diamond

EX • K/SI1 • IGI 803629208

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803629208

Diamond specifications and retailer prices

From HK$23,018 HKD
As of November 6, 2026
Save HK$22,830 HKD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$45,849 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise 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 803629208. Listed at 15 retailers as of November 5, 2026, with prices from HK$23,018 to HK$45,849, a HK$22,830 spread on the same certified stone. NZ Jewellers lists it at HK$45,849. 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

1.51
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 803629208
Dimensions11.92 × 5.91 × 3.73 mm
L/W Ratio2.02
Girdle conditionFaceted
Top View
11.92 mm5.91 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629208
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$45,849 HKD|Low: HK$23,018 HKD|High: HK$47,252 HKD|Avg: HK$30,635 HKD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2HK$23,018 HKD
Retailer 5HK$25,040 HKD
Retailer 8HK$25,150 HKD
Retailer 6HK$25,174 HKD
Retailer 14HK$25,432 HKD
Retailer 4HK$26,318 HKD
Retailer 9HK$27,047 HKD
Retailer 7HK$27,125 HKD
Retailer 10HK$27,149 HKD
Retailer 15HK$27,329 HKD
Retailer 3HK$28,975 HKD
Retailer 11HK$29,915 HKD
Retailer 12HK$32,118 HKD
Retailer 13HK$43,882 HKD
NZ JewellersHK$45,849 HKD

30 data points across 15 retailers

15 retailersHK$23,018 HKD to HK$45,849 HKD

A
Cheapest Retailer
-
HK$23,018 HKD
A
Retailer 2
-
HK$25,040 HKD
View
A
Retailer 3
-
HK$25,150 HKD
View
A
Retailer 4
-
HK$25,174 HKD
View
B+
Retailer 5
-
HK$25,432 HKD
View
A
Retailer 6
-
HK$26,318 HKD
View
A
Retailer 7
-
HK$27,047 HKD
View
Retailer 8
-
HK$27,125 HKD
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$27,149 HKD
View
A
Retailer 10
-
HK$27,329 HKD
View
A
Retailer 11
-
HK$28,975 HKD
View
A
Retailer 12
-
HK$29,915 HKD
View
A
Retailer 13
-
HK$32,118 HKD
View
B+
Retailer 14
-
HK$43,882 HKD
View
Most Expensive
B+
NZ Jewellers
ca66ec14-a278-4bb1-b408-71a51fcce9b5 · Nov 5
HK$45,849 HKD
$5,850 USD
View
14 more retailers have this diamond
Prices start from HK$23,018 HKDSave up to HK$22,830 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
1.51ct Marquise
HK$23,018 HKD