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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 €2,733 EUR
$3,053 USD
As of October 28, 2026
Save €3,462 EUR (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €6,195 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 €2,733 to €6,195, a €3,462 spread on the same certified stone. NZ Jewellers lists it at €6,195. 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
Color
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: €6,195 EUR|Low: €2,401 EUR|High: €6,365 EUR|Avg: €3,610 EUR|-2.7%
NZ Jewellers
Retailer 2
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Retailer 21
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Retailer 25
Retailer 26
Retailer 27
October 29, 2026
Retailer 7€2,733 EUR
Retailer 6€2,802 EUR
Retailer 2€2,802 EUR
Retailer 4€2,821 EUR
Retailer 10€2,859 EUR
Retailer 19€2,973 EUR
Retailer 12€3,204 EUR
Retailer 11€3,221 EUR
Retailer 25€3,221 EUR
Retailer 23€3,225 EUR
Retailer 18€3,229 EUR
Retailer 26€3,264 EUR
Retailer 27€3,345 EUR
Retailer 14€3,443 EUR
Retailer 21€3,479 EUR
Retailer 5€3,503 EUR
Retailer 16€3,518 EUR
Retailer 17€3,572 EUR
Retailer 22€3,615 EUR
Retailer 3€3,643 EUR
Retailer 15€3,643 EUR
Retailer 8€3,716 EUR
Retailer 9€3,768 EUR
Retailer 13€3,918 EUR
Retailer 20€5,138 EUR
Retailer 24€5,954 EUR
NZ Jewellers€6,195 EUR

30 data points across 27 retailers

27 retailers€2,733 EUR to €6,195 EUR

A
Cheapest Retailer
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€2,733 EUR
$3,053 USD
A
Retailer 2
-
€2,802 EUR
$3,130 USD
View
A
Retailer 3
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€2,802 EUR
$3,131 USD
View
A
Retailer 4
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€2,821 EUR
$3,152 USD
View
A
Retailer 5
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€2,859 EUR
$3,194 USD
View
A
Retailer 6
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€3,204 EUR
$3,579 USD
View
Retailer 7
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€3,221 EUR
$3,599 USD
View
Price last confirmed 7 days ago
Retailer 8
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€3,221 EUR
$3,599 USD
View
Price last confirmed 8 days ago
Retailer 9
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€3,225 EUR
$3,603 USD
View
Price last confirmed 7 days ago
A
Retailer 10
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€3,229 EUR
CA$5,011 CAD
View
Retailer 11
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€3,264 EUR
$3,647 USD
View
Price last confirmed 10 days ago
Retailer 12
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€3,345 EUR
$3,737 USD
View
Price last confirmed 7 days ago
A
Retailer 13
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€3,432 EUR
A$5,898 AUD
View
A
Retailer 14
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€3,443 EUR
$3,847 USD
View
A
Retailer 15
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€3,479 EUR
£3,060 GBP
View
Retailer 16
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€3,503 EUR
$3,914 USD
View
Price last confirmed 12 days ago
A
Retailer 17
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€3,518 EUR
$3,930 USD
View
A
Retailer 18
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€3,572 EUR
$3,991 USD
View
A
Retailer 19
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€3,615 EUR
£3,180 GBP
View
A
Retailer 20
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€3,643 EUR
$4,070 USD
View
A
Retailer 21
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€3,643 EUR
$4,070 USD
View
A
Retailer 22
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€3,716 EUR
$4,152 USD
View
A
Retailer 23
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€3,768 EUR
$4,210 USD
View
A
Retailer 24
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€3,918 EUR
View
B+
Retailer 25
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€5,138 EUR
$5,740 USD
View
B+
Retailer 26
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€5,954 EUR
£5,238 GBP
View
Most Expensive
B
NZ Jewellers
587b9d6c-140b-4667-b65b-2a937575911c · Oct 27
€6,195 EUR
$6,921 USD
View
26 more retailers have this diamond
Prices start from €2,733 EURSave up to €3,462 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
€2,733 EUR