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Marquise|Natural|GIA

1.21ct J SI2 Marquise Natural Diamond

ID • J/SI2 • GIA 05

Certificate GIA 05

Diamond specifications and retailer prices

From HK$24,131 HKD
As of November 4, 2026
Save HK$30,574 HKD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$54,705 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 8 retailers as of November 4, 2026, with prices from HK$24,131 to HK$54,705, a HK$30,574 spread on the same certified stone. NZ Jewellers lists it at HK$54,705. 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

1.21
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 05
Dimensions10.32 × 5.53 × 3.51 mm
L/W Ratio1.87
Top View
10.32 mm5.53 mm1.21 ctJ / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 05
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

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 4
Current: HK$54,705 HKD|Low: HK$24,131 HKD|High: HK$56,578 HKD|Avg: HK$32,553 HKD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3HK$24,131 HKD
Retailer 8HK$25,009 HKD
Retailer 4HK$28,442 HKD
Retailer 7HK$29,422 HKD
Retailer 6HK$29,539 HKD
Retailer 5HK$30,064 HKD
Retailer 2HK$32,510 HKD
NZ JewellersHK$54,705 HKD

10 data points across 8 retailers

8 retailersHK$24,131 HKD to HK$54,705 HKD

B+
Cheapest Retailer
-
HK$24,131 HKD
B
Retailer 2
-
HK$25,009 HKD
View
B
Retailer 3
-
HK$28,442 HKD
View
Retailer 4
-
HK$29,422 HKD
View
Price last confirmed 9 days ago
B
Retailer 5
-
HK$29,539 HKD
View
B
Retailer 6
-
HK$30,064 HKD
View
B
Retailer 7
-
HK$32,510 HKD
View
Most Expensive
B
NZ Jewellers
04eec4f6-1c62-4a18-9070-3db39de9fa65 · Nov 5
HK$54,705 HKD
$6,980 USD
View
7 more retailers have this diamond
Prices start from HK$24,131 HKDSave up to HK$30,574 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+
1.21ct Marquise
HK$24,131 HKD