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Marquise|Natural|GIA

3.00ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6542178158

Certificate GIA 6542178158

Diamond specifications and retailer prices

From HK$252,239 HKD
As of November 5, 2026
Save HK$164,365 HKD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$416,604 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural marquise diamond

This 3ct natural marquise sits in the three to five 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 6542178158. Listed at 8 retailers as of November 4, 2026, with prices from HK$252,239 to HK$416,604, a HK$164,365 spread on the same certified stone. MOH London lists it at HK$416,604. 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

3.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542178158
Dimensions18.81 × 7.01 × 4.02 mm
L/W Ratio2.68
Top View
18.81 mm7.01 mm3.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542178158
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 57.3%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: HK$416,604 HKD|Low: HK$239,190 HKD|High: HK$422,755 HKD|Avg: HK$300,929 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5HK$239,190 HKD
Retailer 4HK$264,888 HKD
Retailer 3HK$266,777 HKD
Retailer 2HK$306,011 HKD
MOH LondonHK$416,604 HKD

44 data points across 5 retailers

8 retailersHK$252,239 HKD to HK$416,604 HKD

B
Cheapest Retailer
-
HK$252,239 HKD
Retailer 2
-
HK$264,888 HKD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
HK$266,777 HKD
View
B
Retailer 4
-
HK$288,753 HKD
View
B
Retailer 5
-
HK$293,863 HKD
View
B
Retailer 6
-
HK$306,011 HKD
View
B
Retailer 7
-
HK$312,798 HKD
View
Most Expensive
B
MOH London
D1C839064 · Nov 4
HK$416,604 HKD
£41,855 GBP
View
7 more retailers have this diamond
Prices start from HK$252,239 HKDSave up to HK$164,365 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+
3.00ct Marquise
HK$252,239 HKD