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Round|Natural|GIA

1.21ct K I1 Round Natural Diamond

VG • K/I1 • GIA 2366245631

Certificate GIA 2366245631

Diamond specifications and retailer prices

From €1,585 EUR
As of November 6, 2026
Save €2,408 EUR (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,993 EUR at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 2366245631. Listed at 8 retailers as of November 5, 2026, with prices from €1,585 to €3,993, a €2,408 spread on the same certified stone. NZ Jewellers lists it at €3,993. 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
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2366245631
Dimensions6.61 × 6.67 × 4.27 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
6.61 mm6.67 mm1.21 ctK / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2366245631
Side View
Table 56.0%Crown 36.5°GirdlePavilion 40.6°Culet: NoneDepth 64.3%

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 6
Current: €3,993 EUR|Low: €1,573 EUR|High: €3,993 EUR|Avg: €2,200 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3€1,585 EUR
Retailer 8€1,726 EUR
Retailer 4€1,910 EUR
Retailer 6€1,910 EUR
Retailer 10€1,989 EUR
Retailer 5€1,998 EUR
Retailer 7€2,204 EUR
Retailer 9€2,382 EUR
Retailer 2€2,593 EUR
NZ Jewellers€3,993 EUR

18 data points across 10 retailers

8 retailers€1,585 EUR to €3,993 EUR

B+
Cheapest Retailer
-
€1,585 EUR
B+
Retailer 2
-
€1,726 EUR
View
B
Retailer 3
-
€1,910 EUR
View
Retailer 4
-
€1,910 EUR
View
Price last confirmed 8 days ago
B
Retailer 5
-
€1,998 EUR
View
B
Retailer 6
-
€2,204 EUR
View
B
Retailer 7
-
€2,593 EUR
View
Most Expensive
C
NZ Jewellers
40b4cca8-f78e-4904-bdeb-db19a48cc911 · Nov 5
€3,993 EUR
$4,482 USD
View
7 more retailers have this diamond
Prices start from €1,585 EURSave up to €2,408 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 Round
€1,585 EUR