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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7551045067

Certificate GIA 7551045067

Diamond specifications and retailer prices

From HK$25,323 HKD
As of November 6, 2026
Save HK$28,207 HKD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$53,530 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct 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 7551045067. Listed at 15 retailers as of November 4, 2026, with prices from HK$25,323 to HK$53,530, a HK$28,207 spread on the same certified stone. MOH London lists it at HK$53,530. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551045067
Dimensions10.22 × 5.49 × 3.61 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
10.22 mm5.49 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551045067
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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$53,530 HKD|Low: HK$23,073 HKD|High: HK$54,316 HKD|Avg: HK$32,744 HKD|-1.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 7, 2026
Retailer 11HK$23,073 HKD
Retailer 7HK$23,128 HKD
Retailer 12HK$23,888 HKD
Retailer 20HK$25,323 HKD
Retailer 8HK$25,511 HKD
Retailer 3HK$27,799 HKD
Retailer 10HK$28,528 HKD
Retailer 21HK$28,661 HKD
Retailer 16HK$29,304 HKD
Retailer 19HK$30,190 HKD
Retailer 18HK$33,544 HKD
Retailer 2HK$34,461 HKD
Retailer 4HK$34,798 HKD
Retailer 5HK$34,798 HKD
Retailer 6HK$35,974 HKD
Retailer 15HK$36,107 HKD
Retailer 14HK$37,941 HKD
Retailer 13HK$38,019 HKD
Retailer 9HK$39,187 HKD
Retailer 17HK$49,195 HKD
MOH LondonHK$53,530 HKD

29 data points across 21 retailers

15 retailersHK$25,323 HKD to HK$53,530 HKD

Retailer 1
-
HK$23,073 HKD
Price last confirmed 66 days ago
B
Retailer 2
-
HK$25,323 HKD
View
B
Retailer 3
-
HK$27,799 HKD
View
B
Retailer 4
-
HK$28,661 HKD
View
B
Retailer 5
-
HK$29,304 HKD
View
B
Retailer 6
-
HK$30,190 HKD
View
B
Retailer 7
-
HK$33,544 HKD
View
B
Retailer 8
-
HK$34,461 HKD
View
B
Retailer 9
-
HK$34,798 HKD
View
B
Retailer 10
-
HK$34,798 HKD
View
B
Retailer 11
-
HK$35,974 HKD
View
B
Retailer 12
-
HK$36,107 HKD
View
B
Retailer 13
-
HK$38,019 HKD
View
B
Retailer 14
-
HK$49,195 HKD
View
Most Expensive
B
MOH London
1B08443EC · Nov 4
HK$53,530 HKD
£5,378 GBP
View
14 more retailers have this diamond
Prices start from HK$25,323 HKDSave up to HK$28,207 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
1.20ct Marquise
HK$25,323 HKD