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Round|Natural|GIA

1.00ct I FL Round Natural Diamond

ID • I/FL • GIA 5556720124

Certificate GIA 5556720124

Diamond specifications and retailer prices

From €3,605 EUR
$4,027 USD
As of October 27, 2026
Save €549 EUR (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €4,153 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5556720124. Listed at 3 retailers as of October 27, 2026, with prices from €3,605 to €4,153, a €549 spread on the same certified stone. Brilliant Earth lists it at €4,153. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556720124
Dimensions6.37 × 6.41 × 3.95 mm
L/W Ratio1.01
Top View
6.37 mm6.41 mm1.00 ctI / FL
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556720124
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 61.8%

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: Oct 27
Current: €4,153 EUR|Low: €3,562 EUR|High: €4,189 EUR|Avg: €3,894 EUR|-0.9%
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 3€3,605 EUR
Retailer 2€3,868 EUR
Brilliant Earth€4,153 EUR

30 data points across 3 retailers

3 retailers€3,605 EUR to €4,153 EUR

A
Cheapest Retailer
-
€3,605 EUR
$4,027 USD
B+
Retailer 2
-
€3,868 EUR
£3,403 GBP
View
Most Expensive
B+
Brilliant Earth
21539894A · Oct 28
€4,153 EUR
$4,640 USD
View
2 more retailers have this diamond
Prices start from €3,605 EURSave up to €549 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
1.00ct Round
€3,605 EUR