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Marquise|Natural|GIA

1.50ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6565156521

Certificate GIA 6565156521

Diamond specifications and retailer prices

From HK$52,808 HKD
As of November 6, 2026
Save HK$36,614 HKD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$89,422 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two 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 6565156521. Listed at 14 retailers as of November 4, 2026, with prices from HK$52,808 to HK$89,422, a HK$36,614 spread on the same certified stone. MOH London lists it at HK$89,422. 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

1.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565156521
Dimensions11.05 × 5.97 × 3.68 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Cavity, Pinpoint, Natural
Top View
11.05 mm5.97 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6565156521
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 61.6%

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 6
Current: HK$89,422 HKD|Low: HK$48,122 HKD|High: HK$90,736 HKD|Avg: HK$62,645 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 5HK$52,808 HKD
Retailer 9HK$54,031 HKD
Retailer 11HK$55,755 HKD
Retailer 8HK$59,172 HKD
Retailer 10HK$60,042 HKD
Retailer 2HK$60,701 HKD
Retailer 6HK$60,826 HKD
Retailer 12HK$62,182 HKD
Retailer 3HK$64,972 HKD
Retailer 4HK$64,972 HKD
Retailer 13HK$65,568 HKD
Retailer 14HK$67,088 HKD
Retailer 7HK$69,894 HKD
MOH LondonHK$89,422 HKD

37 data points across 14 retailers

14 retailersHK$52,808 HKD to HK$89,422 HKD

B+
Cheapest Retailer
-
HK$52,808 HKD
B
Retailer 2
-
HK$54,031 HKD
View
B
Retailer 3
-
HK$55,755 HKD
View
B
Retailer 4
-
HK$59,172 HKD
View
B
Retailer 5
-
HK$60,042 HKD
View
B
Retailer 6
-
HK$60,701 HKD
View
B
Retailer 7
-
HK$60,826 HKD
View
B
Retailer 8
-
HK$62,182 HKD
View
B
Retailer 9
-
HK$64,972 HKD
View
B
Retailer 10
-
HK$64,972 HKD
View
B
Retailer 11
-
HK$65,568 HKD
View
B
Retailer 12
-
HK$67,088 HKD
View
B
Retailer 13
-
HK$69,894 HKD
View
Most Expensive
B
MOH London
33DFA88A3 · Nov 4
HK$89,422 HKD
£8,984 GBP
View
13 more retailers have this diamond
Prices start from HK$52,808 HKDSave up to HK$36,614 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+
1.50ct Marquise
HK$52,808 HKD