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Radiant|Natural|GIA

1.51ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6522388830

Certificate GIA 6522388830

Diamond specifications and retailer prices

From €2,322 EUR
As of November 6, 2026
Save €2,755 EUR (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €5,077 EUR at NZ Jewellers · As of November 3, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522388830. Listed at 5 retailers as of November 3, 2026, with prices from €2,322 to €5,077, a €2,755 spread on the same certified stone. NZ Jewellers lists it at €5,077. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.72°
Pavilion angle30.24°
OriginNatural
Grading LabGIA
CertificateGIA 6522388830
Dimensions7.74 × 5.75 × 3.73 mm
L/W Ratio1.35
Top View
7.74 mm5.75 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522388830
Side View
Table 70.0%Crown 43.72°Girdle: STK-THKPavilion 30.24°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €5,077 EUR|Low: €2,313 EUR|High: €5,096 EUR|Avg: €2,976 EUR|-0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 6€2,313 EUR
Retailer 5€2,322 EUR
Retailer 4€2,428 EUR
Retailer 2€2,489 EUR
Retailer 3€2,528 EUR
Retailer 7€3,421 EUR
NZ Jewellers€5,077 EUR

8 data points across 7 retailers

5 retailers€2,322 EUR to €5,077 EUR

A
Cheapest Retailer
-
€2,322 EUR
A
Retailer 2
-
€2,428 EUR
View
A
Retailer 3
-
€2,489 EUR
View
A
Retailer 4
-
€2,528 EUR
View
Most Expensive
B
NZ Jewellers
1b9ce637-3646-4f1a-bb11-cdaa34675d1b · Nov 3
€5,077 EUR
$5,668 USD
View
4 more retailers have this diamond
Prices start from €2,322 EURSave up to €2,755 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
€2,322 EUR