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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1548772947

Certificate GIA 1548772947

Diamond specifications and retailer prices

From €3,870 EUR
$4,341 USD
As of November 1, 2026
Save €3,932 EUR (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €7,803 EUR at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548772947. Listed at 14 retailers as of November 1, 2026, with prices from €3,870 to €7,803, a €3,932 spread on the same certified stone. MOH London lists it at €7,803. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle49.57°
Pavilion angle35.79°
OriginNatural
Grading LabGIA
CertificateGIA 1548772947
Dimensions7.81 × 5.66 × 3.82 mm
L/W Ratio1.38
Girdle conditionVery Thick
Key to symbols
Knot, Needle, Pinpoint
Top View
7.81 mm5.66 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1548772947
Side View
Table 69.0%Crown 49.57°Girdle: THK-VTKPavilion 35.79°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 1
Current: €7,803 EUR|Low: €4,177 EUR|High: €7,897 EUR|Avg: €5,316 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7€4,177 EUR
Retailer 6€4,670 EUR
Retailer 2€4,713 EUR
Retailer 3€4,780 EUR
Retailer 5€4,939 EUR
Retailer 4€6,022 EUR
MOH London€7,803 EUR

44 data points across 7 retailers

14 retailers€3,870 EUR to €7,803 EUR

B+
Cheapest Retailer
-
€3,870 EUR
$4,341 USD
B+
Retailer 2
-
€4,131 EUR
$4,633 USD
View
B+
Retailer 3
-
€4,177 EUR
$4,685 USD
View
B
Retailer 4
-
€4,670 EUR
$5,238 USD
View
B
Retailer 5
-
€4,698 EUR
$5,269 USD
View
B
Retailer 6
-
€4,713 EUR
£4,163 GBP
View
B+
Retailer 7
-
€4,780 EUR
£4,221 GBP
View
Retailer 8
-
€4,939 EUR
A$8,522 AUD
View
Price last confirmed 23 days ago
B
Retailer 9
-
€4,975 EUR
$5,580 USD
View
B
Retailer 10
-
€4,975 EUR
$5,580 USD
View
B
Retailer 11
-
€5,136 EUR
$5,760 USD
View
Retailer 12
-
€5,406 EUR
$6,063 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
€6,022 EUR
ZAR 109,114 ZAR
View
Most Expensive
B
MOH London
1725D7B22 · Nov 1
€7,803 EUR
£6,891 GBP
View
13 more retailers have this diamond
Prices start from €3,870 EURSave up to €3,932 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
€3,870 EUR