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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 $3,127 SGD
HK$19,100 HKD
As of November 1, 2026
Save $4,171 SGD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,297 SGD 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 $3,127 to $7,297, a $4,171 spread on the same certified stone. NZ Jewellers lists it at $7,297. 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
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: $7,297 SGD|Low: $3,094 SGD|High: $7,730 SGD|Avg: $4,374 SGD|-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 2, 2026
Retailer 7$3,127 SGD
Retailer 13$3,300 SGD
Retailer 8$3,306 SGD
Retailer 12$3,399 SGD
Retailer 4$3,794 SGD
Retailer 11$3,794 SGD
Retailer 9$3,940 SGD
Retailer 10$4,323 SGD
Retailer 14$4,323 SGD
Retailer 5$4,379 SGD
Retailer 3$4,463 SGD
Retailer 2$4,892 SGD
Retailer 6$5,280 SGD
NZ Jewellers$7,297 SGD

28 data points across 14 retailers

13 retailers$3,127 SGD to $7,297 SGD

B+
Cheapest Retailer
-
$3,127 SGD
HK$19,100 HKD
B+
Retailer 2
-
$3,300 SGD
$2,580 USD
View
B+
Retailer 3
-
$3,306 SGD
$2,585 USD
View
B+
Retailer 4
-
$3,399 SGD
$2,658 USD
View
B
Retailer 5
-
$3,794 SGD
$2,967 USD
View
B
Retailer 6
-
$3,794 SGD
$2,967 USD
View
B
Retailer 7
-
$3,940 SGD
$3,081 USD
View
B
Retailer 8
-
$4,323 SGD
$3,380 USD
View
B
Retailer 9
-
$4,323 SGD
$3,380 USD
View
B
Retailer 10
-
$4,379 SGD
$3,424 USD
View
B
Retailer 11
-
$4,463 SGD
$3,490 USD
View
B
Retailer 12
-
$4,892 SGD
€3,643 EUR
View
Most Expensive
C
NZ Jewellers
b2ac7125-7b87-4884-b925-497b5d9dc71c · Nov 2
$7,297 SGD
$5,706 USD
View
12 more retailers have this diamond
Prices start from $3,127 SGDSave up to $4,171 SGD

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
$3,127 SGD