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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 $2,611 USD
HK$20,400 HKD
As of November 1, 2026
Save $5,771 USD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,382 USD at Diamond Quarter · As of October 31, 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 October 31, 2026, with prices from $2,611 to $8,382, a $5,771 spread on the same certified stone. Diamond Quarter lists it at $8,382. 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
Color
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: $3,189 USD|Low: $2,586 USD|High: $6,525 USD|Avg: $3,688 USD|-9.3%
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 1, 2026
Retailer 12$2,611 USD
Retailer 14$2,765 USD
Retailer 2$2,845 USD
Retailer 17$2,933 USD
Retailer 3$3,011 USD
Retailer 8$3,178 USD
Retailer 1$3,189 USD
Retailer 15$3,300 USD
Retailer 5$3,610 USD
Retailer 16$3,610 USD
Retailer 11$3,613 USD
Retailer 9$3,666 USD
Retailer 6$3,730 USD
Retailer 13$3,737 USD
Retailer 4$3,973 USD
Retailer 10$5,866 USD
Retailer 7$6,111 USD

38 data points across 17 retailers

18 retailers$2,611 USD to $8,382 USD

A
Cheapest Retailer
-
$2,611 USD
HK$20,400 HKD
Retailer 2
-
$2,765 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$2,845 USD
View
A
Retailer 4
-
$2,933 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,011 USD
View
B+
Retailer 6
-
$3,178 USD
View
B+
Retailer 7
-
$3,189 USD
£2,511 GBP
View
B+
Retailer 8
-
$3,300 USD
View
B+
Retailer 9
-
$3,610 USD
View
B+
Retailer 10
-
$3,610 USD
View
B+
Retailer 11
-
$3,613 USD
£2,845 GBP
View
B+
Retailer 12
-
$3,666 USD
View
B+
Retailer 13
-
$3,730 USD
View
B+
Retailer 14
-
$3,737 USD
€3,559 EUR
View
Retailer 15
-
$3,973 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$5,866 USD
£4,619 GBP
View
B
Retailer 17
-
$6,111 USD
View
Most Expensive
B
Diamond Quarter
1.2SI2F2460BD50N · Oct 31
$8,382 USD
£6,600 GBP
View
17 more retailers have this diamond
Prices start from $2,611 USDSave up to $5,771 USD

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
$2,611 USD