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Radiant|Natural|GIA

1.01ct D IF Radiant Natural Diamond

GD • D/IF • GIA 6551666166

Certificate GIA 6551666166

Diamond specifications and retailer prices

From €3,915 EUR
As of November 5, 2026
Save €1,269 EUR (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €5,184 EUR at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551666166. Listed at 7 retailers as of November 5, 2026, with prices from €3,915 to €5,184, a €1,269 spread on the same certified stone. Blue Nile lists it at €5,184. 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

1.01
Carat
D
Colour
IF
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6551666166
Dimensions6.96 × 4.90 × 3.18 mm
L/W Ratio1.42
Culet sizeNone
Top View
6.96 mm4.90 mm1.01 ctD / IF
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6551666166
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.0%

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 5
Current: €5,184 EUR|Low: €3,873 EUR|High: €5,456 EUR|Avg: €4,671 EUR|-2.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2€3,915 EUR
Retailer 5€4,387 EUR
Retailer 6€4,533 EUR
Retailer 4€4,704 EUR
Retailer 3€5,012 EUR
Blue Nile€5,184 EUR

45 data points across 6 retailers

7 retailers€3,915 EUR to €5,184 EUR

A
Cheapest Retailer
-
€3,915 EUR
A
Retailer 2
-
€4,387 EUR
View
A
Retailer 3
-
€4,533 EUR
View
Final sale: no returns
A
Retailer 4
-
€4,596 EUR
View
B+
Retailer 5
-
€4,704 EUR
View
B+
Retailer 6
-
€5,012 EUR
View
Most Expensive
B+
Blue Nile
29600202 · Nov 5
€5,184 EUR
$5,818 USD
View
6 more retailers have this diamond
Prices start from €3,915 EURSave up to €1,269 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
1.01ct Radiant
€3,915 EUR