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Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 2426381260

Certificate GIA 2426381260

Diamond specifications and retailer prices

From $4,633 NZD
HK$20,400 HKD
As of November 1, 2026
Save $10,240 NZD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,873 NZD at Diamond Quarter · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2426381260. Listed at 18 retailers as of November 1, 2026, with prices from $4,633 to $14,873, a $10,240 spread on the same certified stone. Diamond Quarter lists it at $14,873. 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
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2426381260
Dimensions6.68 × 6.60 × 4.25 mm
L/W Ratio1.01
Top View
6.68 mm6.60 mm1.20 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2426381260
Side View
Table 57.0%Crown 38°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.1%

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 1
Current: $5,657 NZD|Low: $4,588 NZD|High: $11,578 NZD|Avg: $6,543 NZD|-9.9%
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 2, 2026
Retailer 13$4,633 NZD
Retailer 14$4,906 NZD
Retailer 2$5,048 NZD
Retailer 17$5,204 NZD
Retailer 3$5,342 NZD
Retailer 8$5,639 NZD
Retailer 1$5,657 NZD
Retailer 15$5,855 NZD
Retailer 5$6,405 NZD
Retailer 16$6,405 NZD
Retailer 11$6,464 NZD
Retailer 9$6,505 NZD
Retailer 10$6,603 NZD
Retailer 6$6,618 NZD
Retailer 4$7,049 NZD
Retailer 12$10,408 NZD
Retailer 7$10,843 NZD

38 data points across 17 retailers

18 retailers$4,633 NZD to $14,873 NZD

A
Cheapest Retailer
-
$4,633 NZD
HK$20,400 HKD
A
Retailer 2
-
$4,906 NZD
$2,765 USD
View
A
Retailer 3
-
$5,048 NZD
$2,845 USD
View
A
Retailer 4
-
$5,204 NZD
$2,933 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,342 NZD
$3,011 USD
View
B+
Retailer 6
-
$5,639 NZD
$3,178 USD
View
B+
Retailer 7
-
$5,657 NZD
£2,511 GBP
View
B+
Retailer 8
-
$5,855 NZD
$3,300 USD
View
B+
Retailer 9
-
$6,405 NZD
$3,610 USD
View
B+
Retailer 10
-
$6,405 NZD
$3,610 USD
View
B+
Retailer 11
-
$6,464 NZD
£2,869 GBP
View
B+
Retailer 12
-
$6,505 NZD
$3,666 USD
View
B+
Retailer 13
-
$6,603 NZD
€3,544 EUR
View
B+
Retailer 14
-
$6,618 NZD
$3,730 USD
View
Retailer 15
-
$7,049 NZD
$3,973 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$10,408 NZD
£4,619 GBP
View
B
Retailer 17
-
$10,843 NZD
$6,111 USD
View
Most Expensive
B
Diamond Quarter
1.2SI2F2460BD50N · Nov 2
$14,873 NZD
£6,600 GBP
View
17 more retailers have this diamond
Prices start from $4,633 NZDSave up to $10,240 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
$4,633 NZD