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Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1509523552

Certificate GIA 1509523552

Diamond specifications and retailer prices

From €2,776 EUR
£2,442 GBP
As of October 30, 2026
Save €2,688 EUR (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,464 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509523552. Listed at 12 retailers as of October 30, 2026, with prices from €2,776 to €5,464, a €2,688 spread on the same certified stone. NZ Jewellers lists it at €5,464. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1509523552
Dimensions6.75 × 6.80 × 4.23 mm
L/W Ratio1.01
Top View
6.75 mm6.80 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1509523552
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.0%

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: Oct 30
Current: €3,257 EUR|Low: €2,767 EUR|High: €5,308 EUR|Avg: €3,564 EUR|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2€2,776 EUR
Retailer 5€2,784 EUR
Retailer 6€3,256 EUR
Retailer 1€3,257 EUR
Retailer 3€3,672 EUR
Retailer 4€5,272 EUR

44 data points across 6 retailers

12 retailers€2,776 EUR to €5,464 EUR

A
Cheapest Retailer
-
€2,776 EUR
£2,442 GBP
A
Retailer 2
-
€2,784 EUR
$3,110 USD
View
Retailer 3
-
€2,842 EUR
$3,175 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
€3,136 EUR
$3,503 USD
View
A
Retailer 5
-
€3,136 EUR
$3,503 USD
View
B+
Retailer 6
-
€3,256 EUR
SGD 4,915 SGD
View
B+
Retailer 7
-
€3,256 EUR
$3,638 USD
View
A
Retailer 8
-
€3,257 EUR
£2,865 GBP
View
B+
Retailer 9
-
€3,618 EUR
$4,042 USD
View
B+
Retailer 10
-
€3,672 EUR
View
B
Retailer 11
-
€5,272 EUR
£4,638 GBP
View
Most Expensive
B
NZ Jewellers
f9f848ad-713c-47f4-a762-4686ae3f456c · Oct 30
€5,464 EUR
$6,104 USD
View
11 more retailers have this diamond
Prices start from €2,776 EURSave up to €2,688 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
€2,776 EUR