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Radiant|Natural|GIA

1.51ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 2556299950

Certificate GIA 2556299950

Diamond specifications and retailer prices

From €6,825 EUR
As of November 5, 2026
Save €1,157 EUR (14%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €7,982 EUR at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556299950. Listed at 4 retailers as of November 5, 2026, with prices from €6,825 to €7,982, a €1,157 spread on the same certified stone. The Diamond Guys lists it at €7,982. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle51.43°
Pavilion angle35.64°
OriginNatural
Grading LabGIA
CertificateGIA 2556299950
Dimensions7.74 × 5.77 × 3.90 mm
L/W Ratio1.34
Girdle conditionThick
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural
Top View
7.74 mm5.77 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556299950
Side View
Table 70.0%Crown 51.43°Girdle: Very ThinPavilion 35.64°Culet: NoneDepth 67.5%

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 5
Current: €7,156 EUR|Low: €5,371 EUR|High: €9,272 EUR|Avg: €7,140 EUR
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
The Diamond Guys
November 6, 2026
Retailer 5€5,371 EUR
Retailer 6€5,598 EUR
Retailer 4€6,090 EUR
Retailer 13€6,504 EUR
Retailer 2€6,559 EUR
Retailer 7€6,825 EUR
Retailer 12€6,928 EUR
Retailer 10€7,138 EUR
Retailer 1€7,156 EUR
Retailer 8€7,156 EUR
The Diamond Guys€7,982 EUR
Retailer 14€8,131 EUR
Retailer 9€8,178 EUR
Retailer 3€8,214 EUR
Retailer 11€9,272 EUR

2 data points across 15 retailers

4 retailers€6,825 EUR to €7,982 EUR

B+
Cheapest Retailer
-
€6,825 EUR
B+
Retailer 2
-
€7,156 EUR
View
B+
Retailer 3
-
€7,156 EUR
View
Most Expensive
B
The Diamond Guys
1992899966 · Nov 6
€7,982 EUR
$8,912 USD
View
3 more retailers have this diamond
Prices start from €6,825 EURSave up to €1,157 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 Radiant
€6,825 EUR