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Marquise|Natural|GIA

1.21ct F I1 Marquise Natural Diamond

F/I1 • GIA 1429175870

Certificate GIA 1429175870

Diamond specifications and retailer prices

From HK$22,697 HKD
As of November 1, 2026
Save HK$28,067 HKD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$50,764 HKD at NZ Jewellers · As of November 3, 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 F colour (colourless) and I1 clarity (included) and certified by GIA 1429175870. Listed at 10 retailers as of November 1, 2026, with prices from HK$22,697 to HK$50,764, a HK$28,067 spread on the same certified stone. NZ Jewellers lists it at HK$50,764. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
F
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1429175870
Dimensions9.82 × 5.81 × 3.33 mm
L/W Ratio1.69
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Indented Natural
Top View
9.82 mm5.81 mm1.21 ctF / I1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1429175870
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.3%

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 1
Current: HK$50,764 HKD|Low: HK$22,496 HKD|High: HK$50,764 HKD|Avg: HK$28,820 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
November 3, 2026
Retailer 9HK$22,697 HKD
Retailer 5HK$23,062 HKD
Retailer 11HK$23,601 HKD
Retailer 13HK$24,401 HKD
Retailer 6HK$26,394 HKD
Retailer 10HK$27,485 HKD
Retailer 7HK$29,893 HKD
Retailer 8HK$30,458 HKD
Retailer 3HK$31,149 HKD
Retailer 4HK$32,169 HKD
Retailer 2HK$33,967 HKD
Retailer 12HK$36,105 HKD
NZ JewellersHK$50,764 HKD

20 data points across 13 retailers

10 retailersHK$22,697 HKD to HK$50,764 HKD

B+
Cheapest Retailer
-
HK$22,697 HKD
B+
Retailer 2
-
HK$23,601 HKD
$3,008 USD
View
B+
Retailer 3
-
HK$26,394 HKD
$3,364 USD
View
B+
Retailer 4
-
HK$27,485 HKD
$3,503 USD
View
B
Retailer 5
-
HK$29,893 HKD
$3,810 USD
View
B
Retailer 6
-
HK$30,458 HKD
$3,882 USD
View
B
Retailer 7
-
HK$31,149 HKD
$3,970 USD
View
B
Retailer 8
-
HK$32,169 HKD
$4,100 USD
View
B
Retailer 9
-
HK$33,967 HKD
€4,123 EUR
View
Most Expensive
C
NZ Jewellers
460b2d06-e372-4bee-ad2f-3484af32fb5b · Nov 3
HK$50,764 HKD
$6,470 USD
View
9 more retailers have this diamond
Prices start from HK$22,697 HKDSave up to HK$28,067 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$22,697 HKD