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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1498706583

Certificate GIA 1498706583

Diamond specifications and retailer prices

From €2,181 EUR
As of November 6, 2026
Save €2,647 EUR (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,828 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1498706583. Listed at 21 retailers as of November 5, 2026, with prices from €2,181 to €4,828, a €2,647 spread on the same certified stone. NZ Jewellers lists it at €4,828. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1498706583
Dimensions6.74 × 6.78 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Top View
6.74 mm6.78 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1498706583
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €2,849 EUR|Low: €1,998 EUR|High: €4,690 EUR|Avg: €2,933 EUR|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 2€2,181 EUR
Retailer 3€2,295 EUR
Retailer 9€2,358 EUR
Retailer 4€2,582 EUR
Retailer 1€2,849 EUR
Retailer 5€2,869 EUR
Retailer 10€2,960 EUR
Retailer 7€3,025 EUR
Retailer 6€3,382 EUR
Retailer 8€4,622 EUR

43 data points across 10 retailers

21 retailers€2,181 EUR to €4,828 EUR

B+
Cheapest Retailer
-
€2,181 EUR
B+
Retailer 2
-
€2,184 EUR
View
B+
Retailer 3
-
€2,248 EUR
View
B+
Retailer 4
-
€2,295 EUR
View
Final sale: no returns
Retailer 5
-
€2,358 EUR
View
Price last confirmed 9 days ago
B+
Retailer 6
-
€2,463 EUR
View
Retailer 7
-
€2,511 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,511 EUR
View
B
Retailer 9
-
€2,539 EUR
View
B
Retailer 10
-
€2,582 EUR
View
B
Retailer 11
-
€2,821 EUR
View
B
Retailer 12
-
€2,821 EUR
View
B+
Retailer 13
-
€2,849 EUR
View
B
Retailer 14
-
€2,869 EUR
View
B
Retailer 15
-
€2,895 EUR
View
B
Retailer 16
-
€2,911 EUR
View
Retailer 17
-
€2,960 EUR
View
Price last confirmed 31 days ago
B
Retailer 18
-
€3,025 EUR
View
B
Retailer 19
-
€3,382 EUR
View
B
Retailer 20
-
€4,622 EUR
View
Most Expensive
B
NZ Jewellers
39fc103d-9290-4738-bcea-93388e39eadb · Nov 5
€4,828 EUR
$5,390 USD
View
20 more retailers have this diamond
Prices start from €2,181 EURSave up to €2,647 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.

B+
1.20ct Round
€2,181 EUR