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Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 5413856974

Certificate GIA 5413856974

Diamond specifications and retailer prices

From $3,186 NZD
As of November 6, 2026
Save $5,772 NZD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,958 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 very-good cut grade and certified by GIA 5413856974. Listed at 16 retailers as of November 5, 2026, with prices from $3,186 to $8,958, a $5,772 spread on the same certified stone. NZ Jewellers lists it at $8,958. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5413856974
Dimensions6.64 × 6.60 × 4.27 mm
L/W Ratio1.01
Top View
6.64 mm6.60 mm1.20 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5413856974
Side View
Table 55.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.5%

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: $8,958 NZD|Low: $3,162 NZD|High: $8,958 NZD|Avg: $4,789 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 11$3,186 NZD
Retailer 4$3,444 NZD
Retailer 3$3,954 NZD
Retailer 5$4,046 NZD
Retailer 2$4,100 NZD
Retailer 12$4,284 NZD
Retailer 14$4,284 NZD
Retailer 6$4,389 NZD
Retailer 7$4,420 NZD
Retailer 13$4,483 NZD
Retailer 8$4,506 NZD
Retailer 15$4,944 NZD
Retailer 9$5,307 NZD
Retailer 10$7,486 NZD
NZ Jewellers$8,958 NZD

33 data points across 15 retailers

16 retailers$3,186 NZD to $8,958 NZD

B+
Cheapest Retailer
-
$3,186 NZD
B+
Retailer 2
-
$3,444 NZD
View
B+
Retailer 3
-
$3,871 NZD
View
B+
Retailer 4
-
$3,954 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,046 NZD
View
B+
Retailer 6
-
$4,100 NZD
View
B+
Retailer 7
-
$4,284 NZD
View
Retailer 8
-
$4,284 NZD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$4,420 NZD
View
B
Retailer 10
-
$4,430 NZD
View
B
Retailer 11
-
$4,483 NZD
View
B+
Retailer 12
-
$4,506 NZD
View
B
Retailer 13
-
$4,944 NZD
View
B
Retailer 14
-
$5,307 NZD
View
B
Retailer 15
-
$7,486 NZD
View
Most Expensive
C
NZ Jewellers
c20cbec8-2845-4dbb-8aeb-19600532dd5d · Nov 5
$8,958 NZD
$4,966 USD
View
15 more retailers have this diamond
Prices start from $3,186 NZDSave up to $5,772 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
$3,186 NZD