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Marquise|Natural|GIA

1.03ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 1558431023

Certificate GIA 1558431023

Diamond specifications and retailer prices

From HK$18,112 HKD
As of October 31, 2026
Save HK$23,857 HKD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$41,969 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558431023. Listed at 20 retailers as of October 31, 2026, with prices from HK$18,112 to HK$41,969, a HK$23,857 spread on the same certified stone. NZ Jewellers lists it at HK$41,969. 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

1.03
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558431023
Dimensions10.04 × 5.28 × 3.37 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
10.04 mm5.28 mm1.03 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558431023
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.9%

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: Oct 31
Current: HK$41,969 HKD|Low: HK$18,065 HKD|High: HK$43,498 HKD|Avg: HK$26,331 HKD|-3.5%
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 12HK$18,112 HKD
Retailer 7HK$21,569 HKD
Retailer 4HK$21,584 HKD
Retailer 15HK$21,592 HKD
Retailer 5HK$21,749 HKD
Retailer 2HK$23,363 HKD
Retailer 14HK$24,092 HKD
Retailer 8HK$24,892 HKD
Retailer 3HK$25,017 HKD
Retailer 6HK$25,205 HKD
Retailer 13HK$27,791 HKD
Retailer 10HK$28,191 HKD
Retailer 9HK$29,398 HKD
Retailer 11HK$40,276 HKD
NZ JewellersHK$41,969 HKD

25 data points across 15 retailers

20 retailersHK$18,112 HKD to HK$41,969 HKD

A
Cheapest Retailer
-
HK$18,112 HKD
B+
Retailer 2
-
HK$21,569 HKD
View
A
Retailer 3
-
HK$21,584 HKD
View
A
Retailer 4
-
HK$21,592 HKD
View
B+
Retailer 5
-
HK$21,749 HKD
View
B+
Retailer 6
-
HK$23,363 HKD
View
Retailer 7
-
HK$24,092 HKD
View
Price last confirmed 42 days ago
Retailer 8
-
HK$24,092 HKD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$24,092 HKD
View
B+
Retailer 10
-
HK$24,892 HKD
View
B+
Retailer 11
-
HK$25,017 HKD
View
B+
Retailer 12
-
HK$25,205 HKD
View
Retailer 13
-
HK$25,730 HKD
View
Price last confirmed 31 days ago
Retailer 14
-
HK$27,791 HKD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
HK$27,791 HKD
View
B
Retailer 16
-
HK$28,191 HKD
View
B+
Retailer 17
-
HK$29,398 HKD
View
B
Retailer 18
-
HK$40,276 HKD
View
Retailer 19
-
HK$41,969 HKD
View
Price last confirmed 43 days ago
Most Expensive
B
NZ Jewellers
4373f7b7-d4b0-48b8-a48e-58b472d3a21f · Nov 5
HK$41,969 HKD
$5,355 USD
View
19 more retailers have this diamond
Prices start from HK$18,112 HKDSave up to HK$23,857 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
1.03ct Marquise
HK$18,112 HKD