Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5242053949

Certificate GIA 5242053949

Diamond specifications and retailer prices

From $1,478 USD
SGD 1,997 SGD
As of October 31, 2026
Save $1,379 USD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,857 USD 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 $1,478 to $2,857, a $1,379 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,857. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,063 USD|Low: $1,285 USD|High: $3,157 USD|Avg: $2,114 USD|+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$1,285 USD
Retailer 6$1,478 USD
Retailer 3$1,734 USD
Retailer 4$1,755 USD
Retailer 8$1,888 USD
Retailer 1$2,063 USD
Retailer 2$2,229 USD
Retailer 7$2,258 USD
Retailer 5$2,643 USD
Wholesale Diamonds Direct$2,857 USD

31 data points across 10 retailers

9 retailers$1,478 USD to $2,857 USD

A
Cheapest Retailer
-
$1,478 USD
SGD 1,997 SGD
A
Retailer 2
-
$1,734 USD
View
A
Retailer 3
-
$1,755 USD
View
A
Retailer 4
-
$1,888 USD
SGD 2,551 SGD
View
B+
Retailer 5
-
$2,063 USD
View
B+
Retailer 6
-
$2,229 USD
£1,755 GBP
View
B+
Retailer 7
-
$2,258 USD
View
B+
Retailer 8
-
$2,643 USD
View
Most Expensive
B
Wholesale Diamonds Direct
610677878 · Oct 26
$2,857 USD
View
8 more retailers have this diamond
Prices start from $1,478 USDSave up to $1,379 USD

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
$1,478 USD