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Round|Natural|GIA

1.21ct D I1 Round Natural Diamond

EX • D/I1 • GIA 1445400774

Certificate GIA 1445400774

Diamond specifications and retailer prices

From €1,967 EUR
$2,197 USD
As of November 1, 2026
Save €2,584 EUR (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,551 EUR at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1445400774. Listed at 7 retailers as of October 30, 2026, with prices from €1,967 to €4,551, a €2,584 spread on the same certified stone. NZ Jewellers lists it at €4,551. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1445400774
Dimensions6.80 × 6.84 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Natural
Top View
6.80 mm6.84 mm1.21 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1445400774
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 1
Current: €4,551 EUR|Low: €1,967 EUR|High: €4,920 EUR|Avg: €2,806 EUR|-7.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7€1,967 EUR
Retailer 9€2,163 EUR
Retailer 4€2,177 EUR
Retailer 8€2,177 EUR
Retailer 5€2,277 EUR
Retailer 6€2,512 EUR
Retailer 3€2,669 EUR
Retailer 2€2,719 EUR
Retailer 10€2,801 EUR
Retailer 11€3,801 EUR
NZ Jewellers€4,551 EUR

20 data points across 11 retailers

7 retailers€1,967 EUR to €4,551 EUR

A
Cheapest Retailer
-
€1,967 EUR
$2,197 USD
A
Retailer 2
-
€2,177 EUR
$2,432 USD
View
A
Retailer 3
-
€2,177 EUR
$2,432 USD
View
A
Retailer 4
-
€2,277 EUR
$2,544 USD
View
B+
Retailer 5
-
€2,512 EUR
$2,806 USD
View
B+
Retailer 6
-
€2,719 EUR
View
Most Expensive
B
NZ Jewellers
1aa7303a-3e90-4ca1-9877-8a62563e9962 · Oct 30
€4,551 EUR
$5,084 USD
View
6 more retailers have this diamond
Prices start from €1,967 EURSave up to €2,584 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
€1,967 EUR