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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2406656549

Certificate GIA 2406656549

Diamond specifications and retailer prices

From $4,201 NZD
As of November 6, 2026
Save $7,630 NZD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,831 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 very-good cut grade and certified by GIA 2406656549. Listed at 18 retailers as of November 5, 2026, with prices from $4,201 to $11,831, a $7,630 spread on the same certified stone. Diamond Quarter lists it at $11,831. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2406656549
Dimensions6.66 × 6.61 × 4.29 mm
L/W Ratio1.01
Top View
6.66 mm6.61 mm1.20 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2406656549
Side View
Table 55.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.7%

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 6
Current: $5,769 NZD|Low: $3,985 NZD|High: $9,968 NZD|Avg: $5,934 NZD|-0.2%
Retailer 1
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
November 6, 2026
Retailer 12$4,201 NZD
Retailer 16$4,465 NZD
Retailer 2$4,468 NZD
Retailer 17$4,719 NZD
Retailer 3$4,845 NZD
Retailer 8$5,112 NZD
Retailer 15$5,112 NZD
Retailer 13$5,309 NZD
Retailer 1$5,769 NZD
Retailer 4$5,827 NZD
Retailer 14$5,827 NZD
Retailer 9$5,899 NZD
Retailer 11$5,969 NZD
Retailer 6$6,025 NZD
Retailer 5$6,548 NZD
Retailer 10$9,413 NZD
Retailer 7$9,833 NZD

40 data points across 17 retailers

18 retailers$4,201 NZD to $11,831 NZD

A
Cheapest Retailer
-
$4,201 NZD
A
Retailer 2
-
$4,465 NZD
View
A
Retailer 3
-
$4,468 NZD
View
B+
Retailer 4
-
$4,719 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,845 NZD
View
Retailer 6
-
$5,112 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,112 NZD
View
B+
Retailer 8
-
$5,309 NZD
View
B+
Retailer 9
-
$5,769 NZD
View
B+
Retailer 10
-
$5,827 NZD
View
B+
Retailer 11
-
$5,827 NZD
View
B+
Retailer 12
-
$5,899 NZD
View
B+
Retailer 13
-
$5,969 NZD
View
B+
Retailer 14
-
$6,025 NZD
View
Retailer 15
-
$6,548 NZD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$9,413 NZD
View
B
Retailer 17
-
$9,833 NZD
View
Most Expensive
B
Diamond Quarter
1.2SI2G24496915N · Nov 5
$11,831 NZD
£5,164 GBP
View
17 more retailers have this diamond
Prices start from $4,201 NZDSave up to $7,630 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
$4,201 NZD