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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 $1,903 SGD
As of November 5, 2026
Save $1,687 SGD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,590 SGD at Wholesale Diamonds Direct · As of November 6, 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 November 5, 2026, with prices from $1,903 to $3,590, a $1,687 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,590. 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 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: Nov 5
Current: $2,177 SGD|Low: $1,647 SGD|High: $4,047 SGD|Avg: $2,685 SGD|-11.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 9$1,647 SGD
Retailer 3$1,903 SGD
Retailer 1$2,177 SGD
Retailer 5$2,192 SGD
Retailer 8$2,371 SGD
Retailer 2$2,594 SGD
Retailer 4$2,782 SGD
Retailer 7$2,846 SGD
Retailer 6$3,319 SGD
Wholesale Diamonds Direct$3,590 SGD

34 data points across 10 retailers

9 retailers$1,903 SGD to $3,590 SGD

A
Cheapest Retailer
-
$1,903 SGD
A
Retailer 2
-
$2,177 SGD
View
A
Retailer 3
-
$2,192 SGD
View
A
Retailer 4
-
$2,371 SGD
View
B+
Retailer 5
-
$2,594 SGD
View
A
Retailer 6
-
$2,782 SGD
View
B+
Retailer 7
-
$2,846 SGD
View
B+
Retailer 8
-
$3,319 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
610677878 · Nov 6
$3,590 SGD
$2,801 USD
View
8 more retailers have this diamond
Prices start from $1,903 SGDSave up to $1,687 SGD

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
$1,903 SGD