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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

ID • J/SI1 • GIA 5553606199

Certificate GIA 5553606199

Diamond specifications and retailer prices

From HK$25,166 HKD
As of November 5, 2026
Save HK$33,395 HKD (57%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$58,561 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 5553606199. Listed at 26 retailers as of November 5, 2026, with prices from HK$25,166 to HK$58,561, a HK$33,395 spread on the same certified stone. NZ Jewellers lists it at HK$58,561. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553606199
Dimensions10.07 × 5.57 × 3.48 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Cloud, Crystal, Cavity, Natural
Top View
10.07 mm5.57 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553606199
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.5%

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 5
Current: HK$58,561 HKD|Low: HK$21,365 HKD|High: HK$58,561 HKD|Avg: HK$31,824 HKD|+3.8%
NZ Jewellers
Retailer 2
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Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
November 6, 2026
Retailer 20HK$21,365 HKD
Retailer 14HK$24,398 HKD
Retailer 22HK$25,166 HKD
Retailer 12HK$26,490 HKD
Retailer 27HK$27,353 HKD
Retailer 26HK$28,050 HKD
Retailer 6HK$28,105 HKD
Retailer 15HK$28,708 HKD
Retailer 5HK$29,116 HKD
Retailer 18HK$29,712 HKD
Retailer 23HK$30,456 HKD
Retailer 17HK$30,676 HKD
Retailer 21HK$31,107 HKD
Retailer 11HK$32,376 HKD
Retailer 8HK$32,431 HKD
Retailer 2HK$32,611 HKD
Retailer 16HK$33,528 HKD
Retailer 25HK$33,912 HKD
Retailer 7HK$34,406 HKD
Retailer 24HK$34,406 HKD
Retailer 19HK$34,500 HKD
Retailer 13HK$35,135 HKD
Retailer 3HK$35,503 HKD
Retailer 9HK$35,519 HKD
Retailer 10HK$36,499 HKD
Retailer 4HK$53,827 HKD
NZ JewellersHK$58,561 HKD

24 data points across 27 retailers

26 retailersHK$25,166 HKD to HK$58,561 HKD

Retailer 1
-
HK$21,365 HKD
Price last confirmed 30 days ago
Retailer 2
-
HK$24,398 HKD
View
Price last confirmed 23 days ago
B+
Retailer 3
-
HK$25,166 HKD
View
B+
Retailer 4
-
HK$26,490 HKD
View
Retailer 5
-
HK$27,353 HKD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
HK$28,105 HKD
View
Final sale: no returns
B
Retailer 7
-
HK$29,116 HKD
View
Retailer 8
-
HK$29,712 HKD
View
Price last confirmed 37 days ago
Retailer 9
-
HK$30,017 HKD
View
Price last confirmed 32 days ago
Retailer 10
-
HK$30,174 HKD
View
Price last confirmed 32 days ago
B
Retailer 11
-
HK$30,456 HKD
View
Retailer 12
-
HK$30,676 HKD
View
Price last confirmed 34 days ago
B
Retailer 13
-
HK$31,107 HKD
View
Retailer 14
-
HK$32,376 HKD
View
Price last confirmed 22 days ago
B
Retailer 15
-
HK$32,431 HKD
View
B
Retailer 16
-
HK$32,611 HKD
View
Retailer 17
-
HK$33,528 HKD
View
Price last confirmed 22 days ago
Retailer 18
-
HK$33,912 HKD
View
Price last confirmed 16 days ago
B
Retailer 19
-
HK$34,406 HKD
View
B
Retailer 20
-
HK$34,406 HKD
View
Retailer 21
-
HK$34,500 HKD
View
Price last confirmed 38 days ago
B
Retailer 22
-
HK$35,135 HKD
View
B
Retailer 23
-
HK$35,503 HKD
View
B
Retailer 24
-
HK$35,519 HKD
View
Retailer 25
-
HK$53,827 HKD
View
Price last confirmed 17 days ago
Most Expensive
B
NZ Jewellers
5280c123-4502-4cb1-bf1a-66867a5a9419 · Nov 5
HK$58,561 HKD
$7,472 USD
View
25 more retailers have this diamond
Prices start from HK$25,166 HKDSave up to HK$33,395 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$25,166 HKD