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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6555703280

Certificate GIA 6555703280

Diamond specifications and retailer prices

From HK$24,437 HKD
As of November 6, 2026
Save HK$32,690 HKD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$57,127 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 6555703280. Listed at 23 retailers as of November 5, 2026, with prices from HK$24,437 to HK$57,127, a HK$32,690 spread on the same certified stone. NZ Jewellers lists it at HK$57,127. 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 6555703280
Dimensions10.70 × 5.36 × 3.42 mm
L/W Ratio2.00
Top View
10.70 mm5.36 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555703280
Side View
Table 58.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 63.9%

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$57,127 HKD|Low: HK$24,437 HKD|High: HK$57,127 HKD|Avg: HK$35,243 HKD
NZ Jewellers
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 6, 2026
Retailer 2HK$24,437 HKD
Retailer 9HK$27,995 HKD
Retailer 7HK$28,857 HKD
Retailer 12HK$29,077 HKD
Retailer 3HK$29,351 HKD
Retailer 6HK$30,268 HKD
Retailer 8HK$31,193 HKD
Retailer 13HK$31,804 HKD
Retailer 19HK$32,792 HKD
Retailer 20HK$32,792 HKD
Retailer 21HK$32,792 HKD
Retailer 15HK$33,011 HKD
Retailer 11HK$33,944 HKD
Retailer 14HK$34,790 HKD
Retailer 10HK$35,151 HKD
Retailer 18HK$36,953 HKD
Retailer 4HK$37,831 HKD
Retailer 16HK$40,018 HKD
Retailer 5HK$47,401 HKD
Retailer 17HK$54,689 HKD
NZ JewellersHK$57,127 HKD

24 data points across 21 retailers

23 retailersHK$24,437 HKD to HK$57,127 HKD

B+
Cheapest Retailer
-
HK$24,437 HKD
B
Retailer 2
-
HK$27,995 HKD
View
B
Retailer 3
-
HK$28,857 HKD
View
B
Retailer 4
-
HK$29,077 HKD
View
B
Retailer 5
-
HK$29,351 HKD
View
B
Retailer 6
-
HK$30,025 HKD
View
B
Retailer 7
-
HK$30,268 HKD
View
Final sale: no returns
B
Retailer 8
-
HK$31,193 HKD
View
B
Retailer 9
-
HK$31,804 HKD
View
B
Retailer 10
-
HK$32,792 HKD
View
B
Retailer 11
-
HK$32,792 HKD
View
Retailer 12
-
HK$32,792 HKD
View
Price last confirmed 9 days ago
B
Retailer 13
-
HK$33,011 HKD
View
B
Retailer 14
-
HK$33,944 HKD
View
B
Retailer 15
-
HK$34,790 HKD
View
Retailer 16
-
HK$35,151 HKD
View
Price last confirmed 34 days ago
B
Retailer 17
-
HK$35,558 HKD
View
B
Retailer 18
-
HK$36,953 HKD
View
B
Retailer 19
-
HK$37,831 HKD
View
B
Retailer 20
-
HK$40,018 HKD
View
Retailer 21
-
HK$47,401 HKD
View
Price last confirmed 11 days ago
B
Retailer 22
-
HK$54,689 HKD
View
Most Expensive
B
NZ Jewellers
ac532a44-bd7d-45e3-ad64-4a41ba6839dc · Nov 5
HK$57,127 HKD
$7,289 USD
View
22 more retailers have this diamond
Prices start from HK$24,437 HKDSave up to HK$32,690 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$24,437 HKD