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Marquise|Natural|GIA

1.02ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2557725957

Certificate GIA 2557725957

Diamond specifications and retailer prices

From HK$20,407 HKD
As of November 3, 2026
Save HK$21,231 HKD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$41,639 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557725957. Listed at 13 retailers as of November 3, 2026, with prices from HK$20,407 to HK$41,639, a HK$21,231 spread on the same certified stone. NZ Jewellers lists it at HK$41,639. 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

1.02
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557725957
Dimensions12.31 × 4.57 × 2.92 mm
L/W Ratio2.69
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Pinpoint
Top View
12.31 mm4.57 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557725957
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: HK$41,639 HKD|Low: HK$20,407 HKD|High: HK$41,639 HKD|Avg: HK$28,534 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 7HK$20,407 HKD
Retailer 6HK$21,404 HKD
Retailer 3HK$23,593 HKD
Retailer 9HK$23,899 HKD
Retailer 8HK$24,817 HKD
Retailer 2HK$25,303 HKD
Retailer 5HK$27,963 HKD
Retailer 4HK$39,960 HKD
NZ JewellersHK$41,639 HKD

42 data points across 9 retailers

13 retailersHK$20,407 HKD to HK$41,639 HKD

B+
Cheapest Retailer
-
HK$20,407 HKD
B+
Retailer 2
-
HK$21,404 HKD
View
B+
Retailer 3
-
HK$23,593 HKD
View
B+
Retailer 4
-
HK$23,899 HKD
View
B+
Retailer 5
-
HK$23,899 HKD
View
Retailer 6
-
HK$24,770 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$24,817 HKD
View
B+
Retailer 8
-
HK$25,013 HKD
View
B+
Retailer 9
-
HK$25,303 HKD
View
B
Retailer 10
-
HK$27,579 HKD
View
B
Retailer 11
-
HK$27,963 HKD
View
B
Retailer 12
-
HK$39,960 HKD
View
Most Expensive
B
NZ Jewellers
cb1bb62b-f380-48ba-af2d-6855c1611029 · Nov 3
HK$41,639 HKD
$5,307 USD
View
12 more retailers have this diamond
Prices start from HK$20,407 HKDSave up to HK$21,231 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.

B+
1.02ct Marquise
HK$20,407 HKD