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Marquise|Natural|IGI

1.05ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 803629059

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803629059

Diamond specifications and retailer prices

From HK$12,673 HKD
As of November 6, 2026
Save HK$21,764 HKD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$34,438 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural marquise diamond

This 1.05ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 803629059. Listed at 17 retailers as of November 5, 2026, with prices from HK$12,673 to HK$34,438, a HK$21,764 spread on the same certified stone. NZ Jewellers lists it at HK$34,438. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 803629059
Dimensions10.25 × 5.23 × 3.37 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
10.25 mm5.23 mm1.05 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629059
Side View
Table 64.0%Crown 37.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 64.4%

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$34,438 HKD|Low: HK$12,673 HKD|High: HK$35,488 HKD|Avg: HK$18,030 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
Retailer 16
November 6, 2026
Retailer 9HK$12,673 HKD
Retailer 2HK$12,838 HKD
Retailer 10HK$13,496 HKD
Retailer 4HK$14,123 HKD
Retailer 5HK$14,178 HKD
Retailer 8HK$14,546 HKD
Retailer 15HK$14,578 HKD
Retailer 16HK$14,773 HKD
Retailer 6HK$14,781 HKD
Retailer 11HK$14,985 HKD
Retailer 12HK$15,698 HKD
Retailer 13HK$16,051 HKD
Retailer 14HK$17,234 HKD
Retailer 7HK$19,280 HKD
Retailer 3HK$24,743 HKD
NZ JewellersHK$34,438 HKD

30 data points across 16 retailers

17 retailersHK$12,673 HKD to HK$34,438 HKD

A
Cheapest Retailer
-
HK$12,673 HKD
A
Retailer 2
-
HK$12,838 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$13,496 HKD
View
A
Retailer 4
-
HK$14,123 HKD
View
B+
Retailer 5
-
HK$14,178 HKD
View
Retailer 6
-
HK$14,546 HKD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$14,546 HKD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
HK$14,578 HKD
View
A
Retailer 9
-
HK$14,773 HKD
View
B+
Retailer 10
-
HK$14,781 HKD
View
B+
Retailer 11
-
HK$14,985 HKD
View
B+
Retailer 12
-
HK$15,698 HKD
View
B+
Retailer 13
-
HK$16,051 HKD
View
B+
Retailer 14
-
HK$17,234 HKD
View
B+
Retailer 15
-
HK$19,280 HKD
View
B
Retailer 16
-
HK$24,743 HKD
View
Most Expensive
B
NZ Jewellers
df244d37-a841-4774-a08c-ce483326442f · Nov 5
HK$34,438 HKD
$4,394 USD
View
16 more retailers have this diamond
Prices start from HK$12,673 HKDSave up to HK$21,764 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
1.05ct Marquise
HK$12,673 HKD