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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5242053949

Certificate GIA 5242053949

Diamond specifications and retailer prices

From €1,323 EUR
SGD 1,997 SGD
As of October 31, 2026
Save €1,234 EUR (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,557 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 5242053949. Listed at 9 retailers as of October 26, 2026, with prices from €1,323 to €2,557, a €1,234 spread on the same certified stone. Wholesale Diamonds Direct lists it at €2,557. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5242053949
Dimensions6.74 × 4.23 × 4.23 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.74 mm4.23 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5242053949
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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 31
Current: €1,847 EUR|Low: €1,150 EUR|High: €2,826 EUR|Avg: €1,892 EUR|+9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 31, 2026
Retailer 9€1,150 EUR
Retailer 6€1,323 EUR
Retailer 3€1,552 EUR
Retailer 4€1,571 EUR
Retailer 8€1,690 EUR
Retailer 1€1,847 EUR
Retailer 2€1,995 EUR
Retailer 7€2,021 EUR
Retailer 5€2,366 EUR
Wholesale Diamonds Direct€2,557 EUR

31 data points across 10 retailers

9 retailers€1,323 EUR to €2,557 EUR

A
Cheapest Retailer
-
€1,323 EUR
SGD 1,997 SGD
A
Retailer 2
-
€1,552 EUR
$1,734 USD
View
A
Retailer 3
-
€1,571 EUR
$1,755 USD
View
A
Retailer 4
-
€1,690 EUR
SGD 2,551 SGD
View
B+
Retailer 5
-
€1,847 EUR
$2,063 USD
View
B+
Retailer 6
-
€1,995 EUR
£1,755 GBP
View
B+
Retailer 7
-
€2,021 EUR
$2,258 USD
View
B+
Retailer 8
-
€2,366 EUR
$2,643 USD
View
Most Expensive
B
Wholesale Diamonds Direct
610677878 · Oct 26
€2,557 EUR
$2,857 USD
View
8 more retailers have this diamond
Prices start from €1,323 EURSave up to €1,234 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
1.20ct Round
€1,323 EUR