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Radiant|Natural|GIA

1.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2557449353

Certificate GIA 2557449353

Diamond specifications and retailer prices

From €3,987 EUR
As of November 2, 2026
Save €3,386 EUR (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €7,373 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

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 2557449353. Listed at 6 retailers as of November 2, 2026, with prices from €3,987 to €7,373, a €3,386 spread on the same certified stone. NZ Jewellers lists it at €7,373. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.8°
Pavilion angle37.54°
OriginNatural
Grading LabGIA
CertificateGIA 2557449353
Dimensions7.70 × 5.89 × 3.85 mm
L/W Ratio1.31
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
7.70 mm5.89 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557449353
Side View
Table 70.0%Crown 46.8°GirdlePavilion 37.54°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €7,373 EUR|Low: €3,884 EUR|High: €7,573 EUR|Avg: €5,061 EUR|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6€3,884 EUR
Retailer 7€3,907 EUR
Retailer 2€3,987 EUR
Retailer 4€4,232 EUR
Retailer 5€4,232 EUR
Retailer 3€6,739 EUR
NZ Jewellers€7,373 EUR

29 data points across 7 retailers

6 retailers€3,987 EUR to €7,373 EUR

Retailer 1
-
€3,884 EUR
Price last confirmed 21 days ago
A
Retailer 2
-
€3,987 EUR
View
A
Retailer 3
-
€4,232 EUR
View
A
Retailer 4
-
€4,232 EUR
View
B+
Retailer 5
-
€6,739 EUR
View
Most Expensive
B+
NZ Jewellers
7b1e8911-a1f6-43bf-94fe-9352a2776896 · Nov 3
€7,373 EUR
$8,232 USD
View
5 more retailers have this diamond
Prices start from €3,987 EURSave up to €3,386 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
1.51ct Radiant
€3,987 EUR