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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2557870993

Certificate GIA 2557870993

Diamond specifications and retailer prices

From HK$22,446 HKD
As of November 4, 2026
Save HK$28,465 HKD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$50,912 HKD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557870993. Listed at 20 retailers as of November 4, 2026, with prices from HK$22,446 to HK$50,912, a HK$28,465 spread on the same certified stone. NZ Jewellers lists it at HK$50,912. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557870993
Dimensions10.40 × 5.24 × 3.24 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizeNone
Top View
10.40 mm5.24 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557870993
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

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 4
Current: HK$50,912 HKD|Low: HK$23,214 HKD|High: HK$50,912 HKD|Avg: HK$33,883 HKD
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 8HK$23,214 HKD
Retailer 11HK$26,475 HKD
Retailer 10HK$27,494 HKD
Retailer 9HK$28,779 HKD
Retailer 2HK$30,056 HKD
Retailer 3HK$30,550 HKD
Retailer 7HK$31,295 HKD
Retailer 6HK$34,202 HKD
Retailer 4HK$35,668 HKD
Retailer 5HK$48,741 HKD
NZ JewellersHK$50,912 HKD

45 data points across 11 retailers

20 retailersHK$22,446 HKD to HK$50,912 HKD

B+
Cheapest Retailer
-
HK$22,446 HKD
B+
Retailer 2
-
HK$23,214 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$23,410 HKD
View
B+
Retailer 4
-
HK$26,475 HKD
View
B
Retailer 5
-
HK$27,070 HKD
View
B
Retailer 6
-
HK$27,494 HKD
View
B+
Retailer 7
-
HK$28,779 HKD
View
B+
Retailer 8
-
HK$28,779 HKD
View
B
Retailer 9
-
HK$30,017 HKD
View
B
Retailer 10
-
HK$30,017 HKD
View
B+
Retailer 11
-
HK$30,056 HKD
View
B
Retailer 12
-
HK$30,550 HKD
View
B
Retailer 13
-
HK$31,036 HKD
View
Retailer 14
-
HK$31,295 HKD
View
Price last confirmed 30 days ago
Retailer 15
-
HK$33,097 HKD
View
Price last confirmed 15 days ago
B
Retailer 16
-
HK$34,202 HKD
View
B
Retailer 17
-
HK$34,343 HKD
View
B
Retailer 18
-
HK$35,668 HKD
View
B
Retailer 19
-
HK$48,741 HKD
View
Most Expensive
B
NZ Jewellers
54a6be71-36ed-481b-a989-ae3cde50d2ea · Nov 5
HK$50,912 HKD
$6,496 USD
View
19 more retailers have this diamond
Prices start from HK$22,446 HKDSave up to HK$28,465 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$22,446 HKD