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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 $4,142 AUD
HK$22,600 HKD
As of November 1, 2026
Save $5,122 AUD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,264 AUD 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 $4,142 to $9,264, a $5,122 spread on the same certified stone. NZ Jewellers lists it at $9,264. 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: $9,264 AUD|Low: $4,106 AUD|High: $9,264 AUD|Avg: $5,260 AUD
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 9$4,142 AUD
Retailer 5$4,209 AUD
Retailer 11$4,307 AUD
Retailer 13$4,453 AUD
Retailer 6$4,817 AUD
Retailer 10$5,016 AUD
Retailer 7$5,456 AUD
Retailer 8$5,559 AUD
Retailer 3$5,685 AUD
Retailer 4$5,871 AUD
Retailer 2$6,199 AUD
Retailer 12$6,589 AUD
NZ Jewellers$9,264 AUD

20 data points across 13 retailers

10 retailers$4,142 AUD to $9,264 AUD

B+
Cheapest Retailer
-
$4,142 AUD
HK$22,600 HKD
B+
Retailer 2
-
$4,307 AUD
$3,008 USD
View
B+
Retailer 3
-
$4,817 AUD
$3,364 USD
View
B+
Retailer 4
-
$5,016 AUD
$3,503 USD
View
B
Retailer 5
-
$5,456 AUD
$3,810 USD
View
B
Retailer 6
-
$5,559 AUD
$3,882 USD
View
B
Retailer 7
-
$5,685 AUD
$3,970 USD
View
B
Retailer 8
-
$5,871 AUD
$4,100 USD
View
B
Retailer 9
-
$6,199 AUD
€4,123 EUR
View
Most Expensive
C
NZ Jewellers
460b2d06-e372-4bee-ad2f-3484af32fb5b · Nov 3
$9,264 AUD
$6,470 USD
View
9 more retailers have this diamond
Prices start from $4,142 AUDSave up to $5,122 AUD

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
$4,142 AUD