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Round|Natural|GIA

1.51ct F I1 Round Natural Diamond

EX • F/I1 • GIA 1559183875

Certificate GIA 1559183875

Diamond specifications and retailer prices

From €4,883 EUR
$5,477 USD
As of November 2, 2026
Save €1,532 EUR (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €8,631 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1559183875. Listed at 8 retailers as of November 1, 2026, with a 31% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559183875
Dimensions7.28 × 7.31 × 4.58 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.28 mm7.31 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559183875
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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 2
Current: €6,415 EUR|Low: €2,571 EUR|High: €8,631 EUR|Avg: €5,144 EUR|+7.4%
Retailer 1
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
Wholesale Diamonds Direct
November 1, 2026
Retailer 10€2,571 EUR
Retailer 5€3,117 EUR
Retailer 6€3,147 EUR
Retailer 2€4,057 EUR
Retailer 3€4,594 EUR
Retailer 8€4,883 EUR
Retailer 7€5,100 EUR
Retailer 11€5,376 EUR
Retailer 4€5,420 EUR
Retailer 9€5,688 EUR
Retailer 12€6,009 EUR
Retailer 14€6,009 EUR
Retailer 13€6,214 EUR
Retailer 1€6,415 EUR
Wholesale Diamonds Direct€8,631 EUR

12 data points across 15 retailers

8 retailers€4,883 EUR to €6,415 EUR

B+
Cheapest Retailer
-
€4,883 EUR
$5,477 USD
B+
Retailer 2
-
€5,100 EUR
$5,720 USD
View
B+
Retailer 3
-
€5,688 EUR
$6,380 USD
View
B
Retailer 4
-
€6,009 EUR
$6,740 USD
View
B
Retailer 5
-
€6,009 EUR
$6,740 USD
View
B
Retailer 6
-
€6,214 EUR
$6,970 USD
View
B
Retailer 7
-
€6,415 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
493092807 · Oct 26
€8,631 EUR
$9,680 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from €4,883 EURSave up to €1,532 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+
1.51ct Round
€4,883 EUR