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Marquise|Natural|GIA

1.02ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2558115959

Certificate GIA 2558115959

Diamond specifications and retailer prices

From HK$23,567 HKD
As of November 4, 2026
Save HK$27,723 HKD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$51,290 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural marquise diamond

This 1.02ct 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 2558115959. Listed at 14 retailers as of November 2, 2026, with prices from HK$23,567 to HK$51,290, a HK$27,723 spread on the same certified stone. MOH London lists it at HK$51,290. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2558115959
Dimensions10.17 × 5.23 × 3.29 mm
L/W Ratio1.94
Top View
10.17 mm5.23 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2558115959
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.8%

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 4
Current: HK$51,290 HKD|Low: HK$23,653 HKD|High: HK$51,917 HKD|Avg: HK$33,094 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6HK$23,653 HKD
Retailer 4HK$24,390 HKD
Retailer 7HK$29,727 HKD
Retailer 2HK$31,067 HKD
Retailer 5HK$32,886 HKD
Retailer 3HK$34,516 HKD
Retailer 8HK$34,728 HKD
MOH LondonHK$51,290 HKD

46 data points across 8 retailers

14 retailersHK$23,567 HKD to HK$51,290 HKD

B+
Cheapest Retailer
-
HK$23,567 HKD
B+
Retailer 2
-
HK$23,653 HKD
View
B+
Retailer 3
-
HK$24,171 HKD
View
B+
Retailer 4
-
HK$24,390 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$26,396 HKD
View
B
Retailer 6
-
HK$29,727 HKD
View
B
Retailer 7
-
HK$30,221 HKD
View
B
Retailer 8
-
HK$30,221 HKD
View
B+
Retailer 9
-
HK$31,067 HKD
View
Retailer 10
-
HK$32,886 HKD
View
Price last confirmed 34 days ago
B
Retailer 11
-
HK$34,516 HKD
View
Retailer 12
-
HK$34,728 HKD
View
Price last confirmed 15 days ago
B
Retailer 13
-
HK$36,060 HKD
View
Most Expensive
B
MOH London
11EA10FE9 · Nov 2
HK$51,290 HKD
£5,153 GBP
View
13 more retailers have this diamond
Prices start from HK$23,567 HKDSave up to HK$27,723 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$23,567 HKD