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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1565756922

Certificate GIA 1565756922

Diamond specifications and retailer prices

From €1,501 EUR
HK$13,100 HKD
As of November 1, 2026
Save €2,709 EUR (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,210 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565756922. Listed at 16 retailers as of October 30, 2026, with prices from €1,501 to €4,210, a €2,709 spread on the same certified stone. NZ Jewellers lists it at €4,210. 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
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565756922
Dimensions6.81 × 6.76 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.81 mm6.76 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565756922
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

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: €4,210 EUR|Low: €1,478 EUR|High: €4,210 EUR|Avg: €2,259 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
November 2, 2026
Retailer 13€1,501 EUR
Retailer 6€1,766 EUR
Retailer 3€1,819 EUR
Retailer 5€1,858 EUR
Retailer 15€1,914 EUR
Retailer 9€1,937 EUR
Retailer 7€2,014 EUR
Retailer 12€2,014 EUR
Retailer 2€2,107 EUR
Retailer 4€2,138 EUR
Retailer 10€2,179 EUR
Retailer 16€2,308 EUR
Retailer 14€2,324 EUR
Retailer 11€2,503 EUR
Retailer 8€3,547 EUR
NZ Jewellers€4,210 EUR

5 data points across 16 retailers

16 retailers€1,501 EUR to €4,210 EUR

A
Cheapest Retailer
-
€1,501 EUR
HK$13,100 HKD
A
Retailer 2
-
€1,766 EUR
$1,973 USD
View
A
Retailer 3
-
€1,819 EUR
$2,032 USD
View
B+
Retailer 4
-
€1,858 EUR
$2,076 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,914 EUR
$2,138 USD
View
A
Retailer 6
-
€1,937 EUR
£1,704 GBP
View
B+
Retailer 7
-
€2,014 EUR
$2,250 USD
View
B+
Retailer 8
-
€2,014 EUR
$2,250 USD
View
B
Retailer 9
-
€2,107 EUR
$2,354 USD
View
B+
Retailer 10
-
€2,138 EUR
$2,389 USD
View
B+
Retailer 11
-
€2,179 EUR
£1,917 GBP
View
B+
Retailer 12
-
€2,308 EUR
£2,030 GBP
View
B+
Retailer 13
-
€2,324 EUR
$2,596 USD
View
B
Retailer 14
-
€2,503 EUR
View
B
Retailer 15
-
€3,547 EUR
£3,120 GBP
View
Most Expensive
B
NZ Jewellers
f5cb1f38-a4cc-4222-996e-d15052e8e27e · Oct 30
€4,210 EUR
$4,703 USD
View
15 more retailers have this diamond
Prices start from €1,501 EURSave up to €2,709 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
€1,501 EUR