Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6382932230

Certificate GIA 6382932230

Diamond specifications and retailer prices

From $2,534 USD
As of November 4, 2026
Save $3,718 USD (59%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,252 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6382932230. Listed at 20 retailers as of November 4, 2026, with prices from $2,534 to $6,252, a $3,718 spread on the same certified stone. NZ Jewellers lists it at $6,252. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6382932230
Dimensions6.76 × 6.73 × 4.23 mm
L/W Ratio1.00
Top View
6.76 mm6.73 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6382932230
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: $2,793 USD|Low: $2,715 USD|High: $4,940 USD|Avg: $3,267 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$2,715 USD
Retailer 6$2,760 USD
Retailer 1$2,793 USD
Retailer 2$2,799 USD
Retailer 7$3,105 USD
Retailer 3$3,478 USD
Retailer 4$4,867 USD

40 data points across 7 retailers

20 retailers$2,534 USD to $6,252 USD

B+
Cheapest Retailer
-
$2,534 USD
B+
Retailer 2
-
$2,553 USD
View
B+
Retailer 3
-
$2,678 USD
View
B+
Retailer 4
-
$2,715 USD
View
B+
Retailer 5
-
$2,751 USD
View
B+
Retailer 6
-
$2,760 USD
View
Final sale: no returns
B+
Retailer 7
-
$2,793 USD
View
B+
Retailer 8
-
$2,799 USD
View
B
Retailer 9
-
$2,819 USD
View
B+
Retailer 10
-
$2,970 USD
View
B+
Retailer 11
-
$2,970 USD
View
B+
Retailer 12
-
$2,990 USD
View
Retailer 13
-
$2,990 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$3,070 USD
View
B
Retailer 15
-
$3,105 USD
View
B
Retailer 16
-
$3,133 USD
View
B
Retailer 17
-
$3,451 USD
View
B
Retailer 18
-
$3,478 USD
View
B
Retailer 19
-
$4,867 USD
View
Most Expensive
B
NZ Jewellers
0874056e-1194-4743-8f46-04e62eef5ee1 · Nov 5
$6,252 USD
View
19 more retailers have this diamond
Prices start from $2,534 USDSave up to $3,718 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.

B+
1.20ct Round
$2,534 USD