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Round|Natural|GIA

1.21ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6552463506

Certificate GIA 6552463506

Diamond specifications and retailer prices

From €1,248 EUR
As of November 5, 2026
Save €1,125 EUR (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,373 EUR at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552463506. Listed at 13 retailers as of November 5, 2026, with prices from €1,248 to €2,373, a €1,125 spread on the same certified stone. Wholesale Diamonds Direct lists it at €2,373. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552463506
Dimensions6.83 × 6.85 × 4.21 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.83 mm6.85 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552463506
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €1,817 EUR|Low: €1,241 EUR|High: €2,442 EUR|Avg: €1,734 EUR|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 5€1,248 EUR
Retailer 8€1,449 EUR
Retailer 9€1,449 EUR
Retailer 3€1,479 EUR
Retailer 2€1,577 EUR
Retailer 4€1,597 EUR
Retailer 10€1,743 EUR
Retailer 1€1,817 EUR
Retailer 7€1,865 EUR
Retailer 11€1,914 EUR
Retailer 6€2,025 EUR
Wholesale Diamonds Direct€2,373 EUR

34 data points across 12 retailers

13 retailers€1,248 EUR to €2,373 EUR

A
Cheapest Retailer
-
€1,248 EUR
A
Retailer 2
-
€1,449 EUR
View
A
Retailer 3
-
€1,449 EUR
View
A
Retailer 4
-
€1,479 EUR
View
A
Retailer 5
-
€1,577 EUR
View
A
Retailer 6
-
€1,597 EUR
View
A
Retailer 7
-
€1,743 EUR
View
B+
Retailer 8
-
€1,802 EUR
View
A
Retailer 9
-
€1,817 EUR
View
A
Retailer 10
-
€1,865 EUR
View
B+
Retailer 11
-
€1,914 EUR
View
B+
Retailer 12
-
€2,025 EUR
View
Most Expensive
B+
Wholesale Diamonds Direct
570927855 · Nov 6
€2,373 EUR
$2,649 USD
View
12 more retailers have this diamond
Prices start from €1,248 EURSave up to €1,125 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
€1,248 EUR