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Marquise|Natural|GIA

1.21ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6555372918

Certificate GIA 6555372918

Diamond specifications and retailer prices

From €2,347 EUR
As of November 5, 2026
Save €2,692 EUR (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,039 EUR 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 6555372918. Listed at 13 retailers as of November 5, 2026, with prices from €2,347 to €5,039, a €2,692 spread on the same certified stone. NZ Jewellers lists it at €5,039. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle41.16°
Pavilion angle40.57°
OriginNatural
Grading LabGIA
CertificateGIA 6555372918
Dimensions10.55 × 5.49 × 3.51 mm
L/W Ratio1.92
Culet sizeNone
Top View
10.55 mm5.49 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6555372918
Side View
Table 57.0%Crown 41.16°Girdle: STK-VTKPavilion 40.57°Culet: 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 5
Current: €5,039 EUR|Low: €1,878 EUR|High: €5,039 EUR|Avg: €2,463 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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 5€1,878 EUR
Retailer 6€2,040 EUR
Retailer 3€2,176 EUR
Retailer 10€2,347 EUR
Retailer 16€2,488 EUR
Retailer 12€2,528 EUR
Retailer 7€2,612 EUR
Retailer 13€2,620 EUR
Retailer 8€2,674 EUR
Retailer 11€2,880 EUR
Retailer 2€2,952 EUR
Retailer 14€2,960 EUR
Retailer 9€2,992 EUR
Retailer 4€3,254 EUR
Retailer 15€3,733 EUR
NZ Jewellers€5,039 EUR

31 data points across 16 retailers

13 retailers€2,347 EUR to €5,039 EUR

Retailer 1
-
€2,040 EUR
Price last confirmed 21 days ago
Retailer 2
-
€2,176 EUR
View
Price last confirmed 18 days ago
B+
Retailer 3
-
€2,347 EUR
View
B+
Retailer 4
-
€2,528 EUR
View
B+
Retailer 5
-
€2,601 EUR
View
B+
Retailer 6
-
€2,620 EUR
View
B
Retailer 7
-
€2,880 EUR
View
B
Retailer 8
-
€2,952 EUR
View
B
Retailer 9
-
€2,960 EUR
View
B
Retailer 10
-
€2,992 EUR
View
Retailer 11
-
€3,254 EUR
View
Price last confirmed 19 days ago
B
Retailer 12
-
€3,733 EUR
View
Most Expensive
C
NZ Jewellers
bb823756-70fd-443a-9a0a-294775cc99d0 · Nov 5
€5,039 EUR
$5,626 USD
View
12 more retailers have this diamond
Prices start from €2,347 EURSave up to €2,692 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
€2,347 EUR