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Radiant|Natural|GIA

1.20ct F SI1 Radiant Natural Diamond

GD • F/SI1 • GIA 6552511433

Certificate GIA 6552511433

Diamond specifications and retailer prices

From €2,373 EUR
As of November 6, 2026
Save €2,873 EUR (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,687 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6552511433. Listed at 21 retailers as of November 4, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552511433
Dimensions7.14 × 5.45 × 3.75 mm
L/W Ratio1.31
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.14 mm5.45 mm1.20 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552511433
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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 6
Current: €5,687 EUR|Low: €2,350 EUR|High: €5,796 EUR|Avg: €3,543 EUR|+1.0%
Queensmith
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 7, 2026
Retailer 13€2,373 EUR
Retailer 7€2,465 EUR
Retailer 5€2,823 EUR
Retailer 11€2,878 EUR
Retailer 4€2,903 EUR
Retailer 14€3,027 EUR
Retailer 2€3,255 EUR
Retailer 3€3,275 EUR
Retailer 8€3,299 EUR
Retailer 6€3,626 EUR
Retailer 9€3,661 EUR
Retailer 10€3,839 EUR
Retailer 12€5,246 EUR
Queensmith€5,687 EUR

27 data points across 14 retailers

21 retailers€2,373 EUR to €5,246 EUR

A
Cheapest Retailer
-
€2,373 EUR
A
Retailer 2
-
€2,465 EUR
View
B+
Retailer 3
-
€2,823 EUR
View
B+
Retailer 4
-
€2,878 EUR
View
B+
Retailer 5
-
€2,903 EUR
View
Final sale: no returns
B
Retailer 6
-
€3,027 EUR
View
B
Retailer 7
-
€3,028 EUR
View
B
Retailer 8
-
€3,195 EUR
View
B
Retailer 9
-
€3,255 EUR
View
Retailer 10
-
€3,256 EUR
View
Price last confirmed 20 days ago
Retailer 11
-
€3,256 EUR
View
Price last confirmed 22 days ago
B
Retailer 12
-
€3,275 EUR
View
B
Retailer 13
-
€3,299 EUR
View
Retailer 14
-
€3,381 EUR
View
Price last confirmed 22 days ago
Retailer 15
-
€3,504 EUR
View
Price last confirmed 30 days ago
B
Retailer 16
-
€3,661 EUR
View
Retailer 17
-
€3,756 EUR
View
Price last confirmed 19 days ago
B
Retailer 18
-
€3,839 EUR
View
B
Retailer 19
-
€5,246 EUR
View
Retailer 20
-
€5,672 EUR
View
Price last confirmed 21 days ago
Most Expensive
Queensmith
6552511433 · Oct 28
€5,687 EUR
£5,000 GBP
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from €2,373 EURSave up to €2,873 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.

A
1.20ct Radiant
€2,373 EUR