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Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

ID • E/SI2 • GIA 6233751025

Certificate GIA 6233751025

Diamond specifications and retailer prices

From €4,538 EUR
£3,992 GBP
As of November 1, 2026
Save €3,517 EUR (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €8,055 EUR at NZ Jewellers · As of October 30, 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 E 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 6233751025. Listed at 6 retailers as of October 30, 2026, with prices from €4,538 to €8,055, a €3,517 spread on the same certified stone. NZ Jewellers lists it at €8,055. 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
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.54°
Pavilion angle31.45°
OriginNatural
Grading LabGIA
CertificateGIA 6233751025
Dimensions7.38 × 5.68 × 3.86 mm
L/W Ratio1.30
Top View
7.38 mm5.68 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6233751025
Side View
Table 67.0%Crown 44.54°Girdle: STK-THKPavilion 31.45°Culet: NoneDepth 67.9%

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 1
Current: €8,055 EUR|Low: €4,326 EUR|High: €8,178 EUR|Avg: €5,745 EUR|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8€4,326 EUR
Retailer 2€4,538 EUR
Retailer 5€4,816 EUR
Retailer 7€4,816 EUR
Retailer 6€4,923 EUR
Retailer 9€5,115 EUR
Retailer 3€5,388 EUR
Retailer 10€5,475 EUR
Retailer 11€7,227 EUR
Retailer 4€7,712 EUR
NZ Jewellers€8,055 EUR

30 data points across 11 retailers

6 retailers€4,538 EUR to €8,055 EUR

A
Cheapest Retailer
-
€4,538 EUR
£3,992 GBP
A
Retailer 2
-
€4,816 EUR
$5,380 USD
View
A
Retailer 3
-
€4,816 EUR
$5,380 USD
View
A
Retailer 4
-
€4,923 EUR
$5,500 USD
View
B+
Retailer 5
-
€7,712 EUR
£6,784 GBP
View
Most Expensive
B+
NZ Jewellers
00748c62-3f1a-4e06-8ebe-5455db0be285 · Oct 30
€8,055 EUR
$8,999 USD
View
5 more retailers have this diamond
Prices start from €4,538 EURSave up to €3,517 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
€4,538 EUR