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Radiant|Natural|GIA

1.51ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 5241011851

Certificate GIA 5241011851

Diamond specifications and retailer prices

From €6,198 EUR
$6,952 USD
As of October 26, 2026
6 retailers carry this diamond
Most expensive: €10,543 EUR at MOH London · As of October 26, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241011851. Listed at 6 retailers as of October 26, 2026. 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
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5241011851
Dimensions7.35 × 5.64 × 3.93 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
7.35 mm5.64 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241011851
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 26
Current: €10,543 EUR|Low: €5,094 EUR|High: €10,543 EUR|Avg: €6,725 EUR
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 26, 2026
Retailer 10€5,094 EUR
Retailer 9€5,204 EUR
Retailer 7€5,438 EUR
Retailer 6€5,521 EUR
Retailer 11€5,683 EUR
Retailer 8€5,741 EUR
Retailer 5€5,942 EUR
Retailer 15€6,198 EUR
Retailer 21€6,300 EUR
Retailer 3€6,552 EUR
Retailer 12€6,901 EUR
Retailer 20€7,057 EUR
Retailer 2€7,136 EUR
Retailer 4€7,308 EUR
Retailer 17€7,614 EUR
Retailer 18€7,614 EUR
Retailer 16€7,707 EUR
Retailer 19€7,864 EUR
Retailer 13€7,869 EUR
Retailer 14€8,472 EUR
MOH London€10,543 EUR

4 data points across 21 retailers

6 retailers€6,198 EUR to €10,543 EUR

Retailer 1
-
€6,198 EUR
$6,952 USD
Price last confirmed 7 days ago
Retailer 2
-
€7,136 EUR
£6,302 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
€7,614 EUR
$8,540 USD
View
Price last confirmed 7 days ago
Retailer 4
-
€7,707 EUR
$8,644 USD
View
Price last confirmed 10 days ago
Retailer 5
-
€7,864 EUR
$8,820 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
778FEAE61 · Oct 26
€10,543 EUR
£9,311 GBP
View
Price last confirmed 7 days ago
5 more retailers have this diamond

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.

1.51ct Radiant
€6,198 EUR