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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 €2,588 EUR
HK$22,600 HKD
As of November 1, 2026
Save €3,200 EUR (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €5,788 EUR 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 €2,588 to €5,788, a €3,200 spread on the same certified stone. NZ Jewellers lists it at €5,788. 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: €5,788 EUR|Low: €2,565 EUR|High: €5,788 EUR|Avg: €3,286 EUR
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€2,588 EUR
Retailer 5€2,629 EUR
Retailer 11€2,691 EUR
Retailer 13€2,782 EUR
Retailer 6€3,009 EUR
Retailer 10€3,134 EUR
Retailer 7€3,408 EUR
Retailer 8€3,473 EUR
Retailer 3€3,551 EUR
Retailer 4€3,668 EUR
Retailer 2€3,873 EUR
Retailer 12€4,116 EUR
NZ Jewellers€5,788 EUR

20 data points across 13 retailers

10 retailers€2,588 EUR to €5,788 EUR

B+
Cheapest Retailer
-
€2,588 EUR
HK$22,600 HKD
B+
Retailer 2
-
€2,691 EUR
$3,008 USD
View
B+
Retailer 3
-
€3,009 EUR
$3,364 USD
View
B+
Retailer 4
-
€3,134 EUR
$3,503 USD
View
B
Retailer 5
-
€3,408 EUR
$3,810 USD
View
B
Retailer 6
-
€3,473 EUR
$3,882 USD
View
B
Retailer 7
-
€3,551 EUR
$3,970 USD
View
B
Retailer 8
-
€3,668 EUR
$4,100 USD
View
B
Retailer 9
-
€3,873 EUR
View
Most Expensive
C
NZ Jewellers
460b2d06-e372-4bee-ad2f-3484af32fb5b · Nov 3
€5,788 EUR
$6,470 USD
View
9 more retailers have this diamond
Prices start from €2,588 EURSave up to €3,200 EUR

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
€2,588 EUR