Radiant|Natural|GIA

1.51ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 6515595253

Certificate GIA 6515595253

Diamond specifications and retailer prices

From €5,832 EUR
As of November 6, 2026
Save €1,883 EUR (24%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,714 EUR at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6515595253. Listed at 10 retailers as of November 6, 2026, with prices from €5,832 to €7,714, a €1,883 spread on the same certified stone. Yorxs lists it at €7,714. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.81°
Pavilion angle30.09°
OriginNatural
Grading LabGIA
CertificateGIA 6515595253
Dimensions7.39 × 5.70 × 3.83 mm
L/W Ratio1.30
Top View
7.39 mm5.70 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515595253
Side View
Table 67.0%Crown 44.81°Girdle: ThickPavilion 30.09°Culet: NoneDepth 67.2%

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 6
Current: €6,694 EUR|Low: €5,831 EUR|High: €10,013 EUR|Avg: €7,047 EUR|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 7, 2026
Retailer 12€5,832 EUR
Retailer 10€5,957 EUR
Retailer 5€6,147 EUR
Retailer 7€6,147 EUR
Retailer 11€6,620 EUR
Retailer 1€6,694 EUR
Retailer 8€6,855 EUR
Retailer 3€7,183 EUR
Retailer 4€7,183 EUR
Retailer 6€7,229 EUR
Retailer 2€7,416 EUR
Yorxs€7,714 EUR
Retailer 9€9,987 EUR

15 data points across 13 retailers

10 retailers€5,832 EUR to €7,714 EUR

A
Cheapest Retailer
-
€5,832 EUR
A
Retailer 2
-
€6,147 EUR
View
A
Retailer 3
-
€6,147 EUR
View
Retailer 4
-
€6,620 EUR
View
Price last confirmed 29 days ago
A
Retailer 5
-
€6,694 EUR
View
B+
Retailer 6
-
€6,855 EUR
View
B+
Retailer 7
-
€7,183 EUR
View
B+
Retailer 8
-
€7,229 EUR
View
B+
Retailer 9
-
€7,416 EUR
View
Most Expensive
B+
Yorxs
5290575B9 · Nov 6
€7,714 EUR
View
9 more retailers have this diamond
Prices start from €5,832 EURSave up to €1,883 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
€5,832 EUR