Round|Natural|GIA

1.20ct J I1 Round Natural Diamond

EX • J/I1 • GIA 2546779675

Certificate GIA 2546779675

Diamond specifications and retailer prices

From $1,178 USD
HK$9,200 HKD
As of November 1, 2026
Save $2,545 USD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,723 USD at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2546779675. Listed at 8 retailers as of October 30, 2026, with prices from $1,178 to $3,723, a $2,545 spread on the same certified stone. NZ Jewellers lists it at $3,723. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2546779675
Dimensions6.74 × 6.79 × 4.21 mm
L/W Ratio1.01
Top View
6.74 mm6.79 mm1.20 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2546779675
Side View
Table 58.0%Crown 35.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.3%

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: $3,723 USD|Low: $1,165 USD|High: $3,723 USD|Avg: $1,795 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$1,178 USD
Retailer 2$1,194 USD
Retailer 7$1,409 USD
Retailer 4$1,526 USD
Retailer 6$1,597 USD
Retailer 8$1,627 USD
Retailer 5$1,761 USD
NZ Jewellers$3,723 USD

45 data points across 8 retailers

8 retailers$1,178 USD to $3,723 USD

A
Cheapest Retailer
-
$1,178 USD
HK$9,200 HKD
A
Retailer 2
-
$1,194 USD
₹113,669 INR
View
B+
Retailer 3
-
$1,409 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,526 USD
View
B+
Retailer 5
-
$1,597 USD
View
B+
Retailer 6
-
$1,627 USD
View
B+
Retailer 7
-
$1,761 USD
View
Most Expensive
B
NZ Jewellers
79852c65-64d1-4105-a9fb-523d60c9d3c7 · Oct 30
$3,723 USD
View
7 more retailers have this diamond
Prices start from $1,178 USDSave up to $2,545 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
$1,178 USD