Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 3535398953

Certificate GIA 3535398953

Diamond specifications and retailer prices

From €1,656 EUR
₹176,233 INR
As of October 30, 2026
Save €1,311 EUR (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,081 EUR at MOH London · As of October 8, 2026
View at MOH London

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 3535398953. Listed at 15 retailers as of October 29, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3535398953
Dimensions6.84 × 6.81 × 4.24 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.84 mm6.81 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3535398953
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: Oct 30
Current: €4,081 EUR|Low: €1,656 EUR|High: €5,004 EUR|Avg: €2,618 EUR|-0.1%
MOH London
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
October 30, 2026
Retailer 11€1,656 EUR
Retailer 10€1,738 EUR
Retailer 5€2,061 EUR
Retailer 3€2,067 EUR
Retailer 4€2,308 EUR
Retailer 16€2,427 EUR
Retailer 7€2,434 EUR
Retailer 8€2,470 EUR
Retailer 6€2,497 EUR
Retailer 2€2,534 EUR
Retailer 9€2,572 EUR
Retailer 12€2,676 EUR
Retailer 14€2,858 EUR
Retailer 13€2,967 EUR
MOH London€4,081 EUR
Retailer 15€4,978 EUR

25 data points across 16 retailers

15 retailers€1,656 EUR to €2,967 EUR

A
Cheapest Retailer
-
€1,656 EUR
₹176,233 INR
A
Retailer 2
-
€1,738 EUR
$1,942 USD
View
Final sale: no returns
Retailer 3
-
€2,061 EUR
£1,813 GBP
View
Price last confirmed 30 days ago
Retailer 4
-
€2,067 EUR
$2,309 USD
View
Price last confirmed 21 days ago
Retailer 5
-
€2,308 EUR
$2,578 USD
View
Price last confirmed 23 days ago
Retailer 6
-
€2,419 EUR
$2,702 USD
View
Price last confirmed 61 days ago
Retailer 7
-
€2,434 EUR
$2,719 USD
View
Price last confirmed 21 days ago
Retailer 8
-
€2,470 EUR
$2,760 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
€2,534 EUR
$2,831 USD
View
A
Retailer 10
-
€2,572 EUR
View
A
Retailer 11
-
€2,676 EUR
$2,990 USD
View
Retailer 12
-
€2,791 EUR
$3,118 USD
View
Price last confirmed 54 days ago
B+
Retailer 13
-
€2,858 EUR
$3,193 USD
View
A
Retailer 14
-
€2,967 EUR
$3,315 USD
View
Most Expensive
MOH London
9FE46CAFF · Oct 8
€4,081 EUR
£3,590 GBP
View
Price last confirmed 22 days ago
14 more retailers have this diamond
Prices start from €1,656 EURSave up to €1,311 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
€1,656 EUR