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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 $2,570 AUD
As of November 6, 2026
Save $4,657 AUD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,228 AUD 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 $2,570 to $7,228, a $4,657 spread on the same certified stone. NZ Jewellers lists it at $7,228. 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: $7,228 AUD|Low: $2,551 AUD|High: $7,228 AUD|Avg: $3,863 AUD
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$2,570 AUD
Retailer 4$2,778 AUD
Retailer 3$3,190 AUD
Retailer 5$3,264 AUD
Retailer 2$3,308 AUD
Retailer 12$3,457 AUD
Retailer 14$3,457 AUD
Retailer 6$3,541 AUD
Retailer 7$3,566 AUD
Retailer 13$3,617 AUD
Retailer 8$3,636 AUD
Retailer 15$3,989 AUD
Retailer 9$4,282 AUD
Retailer 10$6,040 AUD
NZ Jewellers$7,228 AUD

33 data points across 15 retailers

16 retailers$2,570 AUD to $7,228 AUD

B+
Cheapest Retailer
-
$2,570 AUD
B+
Retailer 2
-
$2,778 AUD
View
B+
Retailer 3
-
$3,123 AUD
View
B+
Retailer 4
-
$3,190 AUD
View
Final sale: no returns
B+
Retailer 5
-
$3,264 AUD
View
B+
Retailer 6
-
$3,308 AUD
View
B+
Retailer 7
-
$3,457 AUD
View
Retailer 8
-
$3,457 AUD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$3,566 AUD
View
B
Retailer 10
-
$3,574 AUD
View
B
Retailer 11
-
$3,617 AUD
View
B+
Retailer 12
-
$3,636 AUD
View
B
Retailer 13
-
$3,989 AUD
View
B
Retailer 14
-
$4,282 AUD
View
B
Retailer 15
-
$6,040 AUD
View
Most Expensive
C
NZ Jewellers
c20cbec8-2845-4dbb-8aeb-19600532dd5d · Nov 5
$7,228 AUD
$4,966 USD
View
15 more retailers have this diamond
Prices start from $2,570 AUDSave up to $4,657 AUD

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
$2,570 AUD