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Round|Natural|GIA

1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2416493551

Certificate GIA 2416493551

Diamond specifications and retailer prices

From €2,584 EUR
As of November 4, 2026
Save €3,119 EUR (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,703 EUR at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2416493551. Listed at 20 retailers as of November 4, 2026, with prices from €2,584 to €5,703, a €3,119 spread on the same certified stone. NZ Jewellers lists it at €5,703. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2416493551
Dimensions6.80 × 6.76 × 4.24 mm
L/W Ratio1.01
Top View
6.80 mm6.76 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2416493551
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €5,703 EUR|Low: €2,480 EUR|High: €5,810 EUR|Avg: €3,463 EUR|-1.0%
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
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 18€2,584 EUR
Retailer 4€2,605 EUR
Retailer 7€2,657 EUR
Retailer 15€2,736 EUR
Retailer 19€2,812 EUR
Retailer 10€2,994 EUR
Retailer 11€2,994 EUR
Retailer 5€3,005 EUR
Retailer 2€3,034 EUR
Retailer 16€3,079 EUR
Retailer 3€3,350 EUR
Retailer 8€3,350 EUR
Retailer 14€3,399 EUR
Retailer 17€3,421 EUR
Retailer 9€3,466 EUR
Retailer 12€3,620 EUR
Retailer 6€3,743 EUR
Retailer 13€5,445 EUR
NZ Jewellers€5,703 EUR

40 data points across 19 retailers

20 retailers€2,584 EUR to €5,703 EUR

A
Cheapest Retailer
-
€2,584 EUR
A
Retailer 2
-
€2,605 EUR
View
B+
Retailer 3
-
€2,657 EUR
View
B+
Retailer 4
-
€2,736 EUR
View
Final sale: no returns
B+
Retailer 5
-
€2,754 EUR
View
Retailer 6
-
€2,812 EUR
View
Price last confirmed 18 days ago
Retailer 7
-
€2,994 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,994 EUR
View
B+
Retailer 9
-
€3,005 EUR
View
B+
Retailer 10
-
€3,034 EUR
View
B+
Retailer 11
-
€3,079 EUR
View
B
Retailer 12
-
€3,350 EUR
View
B
Retailer 13
-
€3,350 EUR
View
B
Retailer 14
-
€3,369 EUR
View
B+
Retailer 15
-
€3,399 EUR
View
B
Retailer 16
-
€3,421 EUR
View
B
Retailer 17
-
€3,466 EUR
View
B+
Retailer 18
-
€3,620 EUR
View
B
Retailer 19
-
€5,445 EUR
View
Most Expensive
B
NZ Jewellers
016afa2a-a770-4c4a-8e1c-d63ca2ad3294 · Nov 7
€5,703 EUR
$6,367 USD
View
19 more retailers have this diamond
Prices start from €2,584 EURSave up to €3,119 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.

A
1.21ct Round
€2,584 EUR