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Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6382932230

Certificate GIA 6382932230

Diamond specifications and retailer prices

From $4,571 NZD
As of November 6, 2026
Save $6,707 NZD (59%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,278 NZD 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 5, 2026, with prices from $4,571 to $11,278, a $6,707 spread on the same certified stone. NZ Jewellers lists it at $11,278. 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
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 6
Current: $5,038 NZD|Low: $4,898 NZD|High: $8,911 NZD|Avg: $5,894 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$4,898 NZD
Retailer 6$4,979 NZD
Retailer 1$5,038 NZD
Retailer 2$5,049 NZD
Retailer 7$5,601 NZD
Retailer 3$6,274 NZD
Retailer 4$8,780 NZD

40 data points across 7 retailers

20 retailers$4,571 NZD to $11,278 NZD

B+
Cheapest Retailer
-
$4,571 NZD
B+
Retailer 2
-
$4,605 NZD
View
B+
Retailer 3
-
$4,831 NZD
View
B+
Retailer 4
-
$4,898 NZD
View
B+
Retailer 5
-
$4,963 NZD
View
B+
Retailer 6
-
$4,979 NZD
View
Final sale: no returns
B+
Retailer 7
-
$5,038 NZD
View
B+
Retailer 8
-
$5,049 NZD
View
B
Retailer 9
-
$5,085 NZD
View
B+
Retailer 10
-
$5,358 NZD
View
B+
Retailer 11
-
$5,358 NZD
View
B+
Retailer 12
-
$5,394 NZD
View
Retailer 13
-
$5,394 NZD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$5,538 NZD
View
B
Retailer 15
-
$5,601 NZD
View
B
Retailer 16
-
$5,652 NZD
View
B
Retailer 17
-
$6,225 NZD
View
B
Retailer 18
-
$6,274 NZD
View
B
Retailer 19
-
$8,780 NZD
View
Most Expensive
B
NZ Jewellers
0874056e-1194-4743-8f46-04e62eef5ee1 · Nov 5
$11,278 NZD
$6,252 USD
View
19 more retailers have this diamond
Prices start from $4,571 NZDSave up to $6,707 NZD

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
$4,571 NZD