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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 6535513328

Certificate GIA 6535513328

Diamond specifications and retailer prices

From €2,722 EUR
$3,053 USD
As of October 31, 2026
Save €3,449 EUR (56%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €6,171 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 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 6535513328. Listed at 28 retailers as of October 30, 2026, with prices from €2,722 to €6,171, a €3,449 spread on the same certified stone. NZ Jewellers lists it at €6,171. 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
FluorescenceNone
Crown angle44.83°
Pavilion angle30.94°
OriginNatural
Grading LabGIA
CertificateGIA 6535513328
Dimensions7.22 × 5.66 × 3.94 mm
L/W Ratio1.28
Top View
7.22 mm5.66 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535513328
Side View
Table 65.0%Crown 44.83°Girdle: THK-VTHPavilion 30.94°Culet: NoneDepth 69.7%

Caratlytics Score

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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: Oct 31
Current: €6,171 EUR|Low: €2,391 EUR|High: €6,171 EUR|Avg: €3,662 EUR
NZ Jewellers
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
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 2, 2026
Retailer 12€2,722 EUR
Retailer 8€2,791 EUR
Retailer 2€2,791 EUR
Retailer 11€2,810 EUR
Retailer 7€2,848 EUR
Retailer 10€2,962 EUR
Retailer 24€3,085 EUR
Retailer 6€3,209 EUR
Retailer 14€3,209 EUR
Retailer 9€3,212 EUR
Retailer 16€3,252 EUR
Retailer 23€3,332 EUR
Retailer 25€3,490 EUR
Retailer 15€3,504 EUR
Retailer 20€3,623 EUR
Retailer 5€3,629 EUR
Retailer 26€3,629 EUR
Retailer 4€3,702 EUR
Retailer 3€3,754 EUR
Retailer 17€3,791 EUR
Retailer 19€3,902 EUR
Retailer 13€3,904 EUR
Retailer 22€4,353 EUR
Retailer 18€5,118 EUR
Retailer 21€5,923 EUR
NZ Jewellers€6,171 EUR

33 data points across 26 retailers

28 retailers€2,722 EUR to €6,171 EUR

A
Cheapest Retailer
-
€2,722 EUR
$3,053 USD
A
Retailer 2
-
€2,791 EUR
$3,130 USD
View
A
Retailer 3
-
€2,791 EUR
$3,131 USD
View
A
Retailer 4
-
€2,810 EUR
$3,152 USD
View
A
Retailer 5
-
€2,848 EUR
$3,194 USD
View
A
Retailer 6
-
€2,962 EUR
$3,322 USD
View
Final sale: no returns
A
Retailer 7
-
€3,085 EUR
$3,460 USD
View
A
Retailer 8
-
€3,209 EUR
$3,599 USD
View
A
Retailer 9
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€3,209 EUR
$3,599 USD
View
A
Retailer 10
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€3,212 EUR
$3,603 USD
View
Retailer 11
-
€3,252 EUR
$3,647 USD
View
Price last confirmed 10 days ago
A
Retailer 12
-
€3,332 EUR
$3,737 USD
View
B+
Retailer 13
-
€3,490 EUR
$3,914 USD
View
B+
Retailer 14
-
€3,504 EUR
$3,930 USD
View
B+
Retailer 15
-
€3,598 EUR
A$6,208 AUD
View
B+
Retailer 16
-
€3,623 EUR
£3,200 GBP
View
B+
Retailer 17
-
€3,629 EUR
$4,070 USD
View
B+
Retailer 18
-
€3,629 EUR
$4,070 USD
View
B+
Retailer 19
-
€3,702 EUR
$4,152 USD
View
B+
Retailer 20
-
€3,754 EUR
$4,210 USD
View
B+
Retailer 21
-
€3,791 EUR
$4,252 USD
View
Retailer 22
-
€3,902 EUR
A$6,733 AUD
View
Price last confirmed 29 days ago
B+
Retailer 23
-
€3,904 EUR
View
Retailer 24
-
€4,009 EUR
$4,496 USD
View
Price last confirmed 56 days ago
B+
Retailer 25
-
€4,353 EUR
ZAR 78,880 ZAR
View
B
Retailer 26
-
€5,118 EUR
$5,740 USD
View
B
Retailer 27
-
€5,923 EUR
£5,231 GBP
View
Most Expensive
B
NZ Jewellers
ab8e341f-9ded-4f5f-a81b-1fa39f0abccc · Oct 30
€6,171 EUR
$6,921 USD
View
27 more retailers have this diamond
Prices start from €2,722 EURSave up to €3,449 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
€2,722 EUR