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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 €2,180 EUR
HK$19,100 HKD
As of November 1, 2026
Save €2,908 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,087 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €2,180 to €5,087, a €2,908 spread on the same certified stone. NZ Jewellers lists it at €5,087. 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: €5,087 EUR|Low: €2,157 EUR|High: €5,389 EUR|Avg: €3,053 EUR|-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€2,180 EUR
Retailer 13€2,300 EUR
Retailer 8€2,305 EUR
Retailer 12€2,370 EUR
Retailer 4€2,645 EUR
Retailer 11€2,645 EUR
Retailer 9€2,747 EUR
Retailer 10€3,014 EUR
Retailer 14€3,014 EUR
Retailer 5€3,053 EUR
Retailer 3€3,112 EUR
Retailer 2€3,405 EUR
Retailer 6€3,681 EUR
NZ Jewellers€5,087 EUR

27 data points across 14 retailers

13 retailers€2,180 EUR to €5,087 EUR

B+
Cheapest Retailer
-
€2,180 EUR
HK$19,100 HKD
B+
Retailer 2
-
€2,300 EUR
$2,580 USD
View
Retailer 3
-
€2,305 EUR
$2,585 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€2,370 EUR
$2,658 USD
View
B
Retailer 5
-
€2,645 EUR
$2,967 USD
View
B
Retailer 6
-
€2,645 EUR
$2,967 USD
View
B
Retailer 7
-
€2,747 EUR
$3,081 USD
View
B
Retailer 8
-
€3,014 EUR
$3,380 USD
View
B
Retailer 9
-
€3,014 EUR
$3,380 USD
View
B
Retailer 10
-
€3,053 EUR
$3,424 USD
View
B
Retailer 11
-
€3,112 EUR
$3,490 USD
View
B
Retailer 12
-
€3,405 EUR
View
Most Expensive
C
NZ Jewellers
b2ac7125-7b87-4884-b925-497b5d9dc71c · Oct 30
€5,087 EUR
$5,706 USD
View
12 more retailers have this diamond
Prices start from €2,180 EURSave up to €2,908 EUR

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
€2,180 EUR