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Marquise|Natural|GIA

1.02ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7431670394

Certificate GIA 7431670394

Diamond specifications and retailer prices

From HK$16,106 HKD
As of November 1, 2026
Save HK$14,232 HKD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$30,338 HKD at MOH London · As of November 4, 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 J 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 7431670394. Listed at 7 retailers as of November 1, 2026, with prices from HK$16,106 to HK$30,338, a HK$14,232 spread on the same certified stone. MOH London lists it at HK$30,338. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7431670394
Dimensions9.81 × 5.33 × 3.34 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Knot, Cavity, Needle, Natural
Top View
9.81 mm5.33 mm1.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7431670394
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.6%

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 1
Current: HK$30,338 HKD|Low: HK$16,106 HKD|High: HK$32,090 HKD|Avg: HK$21,160 HKD|-5.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5HK$16,106 HKD
Retailer 4HK$16,466 HKD
Retailer 2HK$18,857 HKD
Retailer 6HK$20,291 HKD
Retailer 3HK$21,592 HKD
Retailer 7HK$22,274 HKD
MOH LondonHK$30,338 HKD

30 data points across 7 retailers

7 retailersHK$16,106 HKD to HK$30,338 HKD

B+
Cheapest Retailer
-
HK$16,106 HKD
B+
Retailer 2
-
HK$16,466 HKD
View
B+
Retailer 3
-
HK$18,857 HKD
View
B
Retailer 4
-
HK$20,291 HKD
View
B
Retailer 5
-
HK$21,592 HKD
View
Retailer 6
-
HK$22,274 HKD
View
Price last confirmed 31 days ago
Most Expensive
B
MOH London
7C57422B3 · Nov 4
HK$30,338 HKD
£3,048 GBP
View
6 more retailers have this diamond
Prices start from HK$16,106 HKDSave up to HK$14,232 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$16,106 HKD