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Radiant|Natural|GIA

1.51ct L SI1 Radiant Natural Diamond

EX • L/SI1 • GIA 5456311800

Certificate GIA 5456311800

Diamond specifications and retailer prices

From €2,212 EUR
As of November 6, 2026
Save €2,491 EUR (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,703 EUR at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5456311800. Listed at 10 retailers as of November 5, 2026, with prices from €2,212 to €4,703, a €2,491 spread on the same certified stone. NZ Jewellers lists it at €4,703. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5456311800
Dimensions7.25 × 5.96 × 4.07 mm
L/W Ratio1.22
Top View
7.25 mm5.96 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5456311800
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.3%

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 6
Current: €4,703 EUR|Low: €2,210 EUR|High: €4,703 EUR|Avg: €2,702 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3€2,212 EUR
Retailer 6€2,250 EUR
Retailer 8€2,250 EUR
Retailer 9€2,354 EUR
Retailer 2€2,381 EUR
Retailer 7€2,596 EUR
Retailer 5€2,746 EUR
Retailer 4€2,794 EUR
NZ Jewellers€4,703 EUR

35 data points across 9 retailers

10 retailers€2,212 EUR to €4,703 EUR

B+
Cheapest Retailer
-
€2,212 EUR
B+
Retailer 2
-
€2,230 EUR
View
B+
Retailer 3
-
€2,250 EUR
View
Retailer 4
-
€2,250 EUR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
€2,354 EUR
View
B+
Retailer 6
-
€2,381 EUR
View
B
Retailer 7
-
€2,596 EUR
View
B
Retailer 8
-
€2,746 EUR
View
B
Retailer 9
-
€2,794 EUR
View
Most Expensive
C
NZ Jewellers
1db707be-c5eb-4ffe-805f-2ad9ddca4a6d · Nov 5
€4,703 EUR
$5,251 USD
View
9 more retailers have this diamond
Prices start from €2,212 EURSave up to €2,491 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
€2,212 EUR