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Round|Natural|GIA

1.21ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6522585574

Certificate GIA 6522585574

Diamond specifications and retailer prices

From €2,406 EUR
As of November 6, 2026
Save €3,218 EUR (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,624 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6522585574. Listed at 19 retailers as of November 5, 2026, with prices from €2,406 to €5,624, a €3,218 spread on the same certified stone. NZ Jewellers lists it at €5,624. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6522585574
Dimensions6.79 × 6.73 × 4.22 mm
L/W Ratio1.01
Top View
6.79 mm6.73 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522585574
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 6
Current: €5,624 EUR|Low: €2,384 EUR|High: €5,624 EUR|Avg: €3,475 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
Retailer 17
Retailer 18
November 6, 2026
Retailer 2€2,406 EUR
Retailer 18€2,408 EUR
Retailer 5€2,865 EUR
Retailer 16€2,893 EUR
Retailer 10€2,979 EUR
Retailer 11€3,088 EUR
Retailer 6€3,103 EUR
Retailer 4€3,228 EUR
Retailer 9€3,228 EUR
Retailer 13€3,320 EUR
Retailer 12€3,352 EUR
Retailer 7€3,352 EUR
Retailer 8€3,358 EUR
Retailer 3€3,724 EUR
Retailer 14€3,748 EUR
Retailer 15€3,940 EUR
Retailer 17€5,398 EUR
NZ Jewellers€5,624 EUR

24 data points across 18 retailers

19 retailers€2,406 EUR to €5,624 EUR

A
Cheapest Retailer
-
€2,406 EUR
A
Retailer 2
-
€2,408 EUR
View
B+
Retailer 3
-
€2,865 EUR
View
B+
Retailer 4
-
€2,893 EUR
View
B+
Retailer 5
-
€2,979 EUR
View
Final sale: no returns
B+
Retailer 6
-
€3,088 EUR
View
B+
Retailer 7
-
€3,103 EUR
View
B+
Retailer 8
-
€3,228 EUR
View
Retailer 9
-
€3,228 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€3,320 EUR
View
B+
Retailer 11
-
€3,352 EUR
View
B+
Retailer 12
-
€3,352 EUR
View
B+
Retailer 13
-
€3,358 EUR
View
Retailer 14
-
€3,534 EUR
View
Price last confirmed 29 days ago
B+
Retailer 15
-
€3,724 EUR
View
B+
Retailer 16
-
€3,748 EUR
View
B+
Retailer 17
-
€3,940 EUR
View
B
Retailer 18
-
€5,398 EUR
View
Most Expensive
B
NZ Jewellers
b925d230-40f5-4a38-baa3-40e6d16c4a2c · Nov 5
€5,624 EUR
$6,279 USD
View
18 more retailers have this diamond
Prices start from €2,406 EURSave up to €3,218 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
€2,406 EUR