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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2527616153

Certificate GIA 2527616153

Diamond specifications and retailer prices

From €2,722 EUR
$3,053 USD
As of October 28, 2026
Save €3,449 EUR (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €6,171 EUR at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2527616153. Listed at 27 retailers as of October 27, 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.84°
Pavilion angle33.19°
OriginNatural
Grading LabGIA
CertificateGIA 2527616153
Dimensions7.11 × 5.67 × 4.00 mm
L/W Ratio1.25
Top View
7.11 mm5.67 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527616153
Side View
Table 68.0%Crown 48.84°Girdle: VTH-ETHPavilion 33.19°Culet: NoneDepth 70.4%

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 28
Current: €6,171 EUR|Low: €2,391 EUR|High: €6,340 EUR|Avg: €3,596 EUR|-2.7%
NZ Jewellers
Retailer 2
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Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
October 29, 2026
Retailer 7€2,722 EUR
Retailer 6€2,791 EUR
Retailer 2€2,791 EUR
Retailer 4€2,810 EUR
Retailer 10€2,848 EUR
Retailer 19€2,962 EUR
Retailer 12€3,191 EUR
Retailer 11€3,209 EUR
Retailer 25€3,209 EUR
Retailer 23€3,212 EUR
Retailer 18€3,216 EUR
Retailer 26€3,252 EUR
Retailer 27€3,332 EUR
Retailer 14€3,430 EUR
Retailer 21€3,465 EUR
Retailer 5€3,490 EUR
Retailer 16€3,504 EUR
Retailer 17€3,558 EUR
Retailer 22€3,601 EUR
Retailer 3€3,629 EUR
Retailer 15€3,629 EUR
Retailer 8€3,702 EUR
Retailer 9€3,754 EUR
Retailer 13€3,903 EUR
Retailer 20€5,118 EUR
Retailer 24€5,931 EUR
NZ Jewellers€6,171 EUR

30 data points across 27 retailers

27 retailers€2,722 EUR to €6,171 EUR

A
Cheapest Retailer
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€2,722 EUR
$3,053 USD
A
Retailer 2
-
€2,791 EUR
$3,130 USD
View
A
Retailer 3
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€2,791 EUR
$3,131 USD
View
A
Retailer 4
-
€2,810 EUR
$3,152 USD
View
A
Retailer 5
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€2,848 EUR
$3,194 USD
View
A
Retailer 6
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€3,191 EUR
$3,579 USD
View
Retailer 7
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€3,209 EUR
$3,599 USD
View
Price last confirmed 7 days ago
Retailer 8
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€3,209 EUR
$3,599 USD
View
Price last confirmed 8 days ago
Retailer 9
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€3,212 EUR
$3,603 USD
View
Price last confirmed 7 days ago
A
Retailer 10
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€3,216 EUR
CA$5,011 CAD
View
Retailer 11
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€3,252 EUR
$3,647 USD
View
Price last confirmed 10 days ago
Retailer 12
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€3,332 EUR
$3,737 USD
View
Price last confirmed 8 days ago
A
Retailer 13
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€3,418 EUR
A$5,898 AUD
View
A
Retailer 14
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€3,430 EUR
$3,847 USD
View
A
Retailer 15
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€3,465 EUR
£3,060 GBP
View
Retailer 16
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€3,490 EUR
$3,914 USD
View
Price last confirmed 12 days ago
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Retailer 17
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€3,504 EUR
$3,930 USD
View
A
Retailer 18
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€3,558 EUR
$3,991 USD
View
A
Retailer 19
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€3,601 EUR
£3,180 GBP
View
A
Retailer 20
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€3,629 EUR
$4,070 USD
View
A
Retailer 21
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€3,629 EUR
$4,070 USD
View
A
Retailer 22
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€3,702 EUR
$4,152 USD
View
A
Retailer 23
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€3,754 EUR
$4,210 USD
View
A
Retailer 24
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€3,903 EUR
View
B+
Retailer 25
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€5,118 EUR
$5,740 USD
View
B+
Retailer 26
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€5,931 EUR
£5,238 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
587b9d6c-140b-4667-b65b-2a937575911c · Oct 27
€6,171 EUR
$6,921 USD
View
26 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