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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1323678673

Certificate GIA 1323678673

Diamond specifications and retailer prices

From $5,946 NZD
As of November 5, 2026
Save $7,311 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,600 NZD at NZ Jewellers · As of September 1, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1323678673. Listed at 19 retailers as of November 5, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1323678673
Dimensions6.77 × 6.73 × 4.23 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.73 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1323678673
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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 5
Current: $13,257 NZD|Low: $5,644 NZD|High: $13,600 NZD|Avg: $7,921 NZD|-2.5%
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 18$5,946 NZD
Retailer 16$5,953 NZD
Retailer 5$6,121 NZD
Retailer 2$6,301 NZD
Retailer 3$6,885 NZD
Retailer 8$6,893 NZD
Retailer 9$6,893 NZD
Retailer 10$7,041 NZD
Retailer 11$7,089 NZD
Retailer 12$7,659 NZD
Retailer 6$7,685 NZD
Retailer 17$7,685 NZD
Retailer 13$7,878 NZD
Retailer 7$7,937 NZD
Retailer 14$8,047 NZD
Retailer 4$8,610 NZD
Retailer 15$12,690 NZD
NZ Jewellers$13,257 NZD

42 data points across 18 retailers

19 retailers$5,946 NZD to $13,257 NZD

A
Cheapest Retailer
-
$5,946 NZD
A
Retailer 2
-
$5,953 NZD
View
B+
Retailer 3
-
$6,121 NZD
View
B+
Retailer 4
-
$6,301 NZD
View
Final sale: no returns
B+
Retailer 5
-
$6,885 NZD
View
B+
Retailer 6
-
$6,893 NZD
View
Retailer 7
-
$6,893 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$7,089 NZD
View
B+
Retailer 9
-
$7,659 NZD
View
B
Retailer 10
-
$7,685 NZD
View
B
Retailer 11
-
$7,685 NZD
View
B+
Retailer 12
-
$7,878 NZD
View
B+
Retailer 13
-
$7,937 NZD
View
B+
Retailer 14
-
$8,047 NZD
View
Retailer 15
-
$8,159 NZD
View
Price last confirmed 68 days ago
Retailer 16
-
$8,610 NZD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$12,690 NZD
View
B
Retailer 18
-
$13,257 NZD
View
Most Expensive
NZ Jewellers
5791f86e-e269-472e-ac73-02b147a13033 · Sep 1
$13,600 NZD
$7,539 USD
View
Price last confirmed 66 days ago
18 more retailers have this diamond
Prices start from $5,946 NZDSave up to $7,311 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.

A
1.20ct Round
$5,946 NZD