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Round|Natural|GIA

1.20ct F I1 Round Natural Diamond

VG • F/I1 • GIA 6401450623

Certificate GIA 6401450623

Diamond specifications and retailer prices

From $2,445 USD
HK$19,100 HKD
As of November 1, 2026
Save $3,261 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,706 USD at NZ Jewellers · As of November 2, 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 F colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6401450623. Listed at 13 retailers as of November 1, 2026, with prices from $2,445 to $5,706, a $3,261 spread on the same certified stone. NZ Jewellers lists it at $5,706. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6401450623
Dimensions6.68 × 6.59 × 4.24 mm
L/W Ratio1.01
Top View
6.68 mm6.59 mm1.20 ctF / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6401450623
Side View
Table 59.0%Crown 37.5°Girdle: THN-THKPavilion 40.6°Culet: NoneDepth 63.9%

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 1
Current: $5,706 USD|Low: $2,419 USD|High: $6,044 USD|Avg: $3,424 USD|-5.6%
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
November 1, 2026
Retailer 7$2,445 USD
Retailer 13$2,580 USD
Retailer 8$2,585 USD
Retailer 12$2,658 USD
Retailer 4$2,967 USD
Retailer 11$2,967 USD
Retailer 9$3,081 USD
Retailer 10$3,380 USD
Retailer 14$3,380 USD
Retailer 5$3,424 USD
Retailer 3$3,490 USD
Retailer 2$3,819 USD
Retailer 6$4,128 USD
NZ Jewellers$5,706 USD

27 data points across 14 retailers

13 retailers$2,445 USD to $5,706 USD

B+
Cheapest Retailer
-
$2,445 USD
HK$19,100 HKD
B+
Retailer 2
-
$2,580 USD
View
B+
Retailer 3
-
$2,585 USD
View
B+
Retailer 4
-
$2,658 USD
View
B
Retailer 5
-
$2,967 USD
View
B
Retailer 6
-
$2,967 USD
View
B
Retailer 7
-
$3,081 USD
View
B
Retailer 8
-
$3,380 USD
View
B
Retailer 9
-
$3,380 USD
View
B
Retailer 10
-
$3,424 USD
View
B
Retailer 11
-
$3,490 USD
View
B
Retailer 12
-
$3,819 USD
€3,637 EUR
View
Most Expensive
C
NZ Jewellers
b2ac7125-7b87-4884-b925-497b5d9dc71c · Nov 2
$5,706 USD
View
12 more retailers have this diamond
Prices start from $2,445 USDSave up to $3,261 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.

B+
1.20ct Round
$2,445 USD