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Radiant|Natural|GIA

1.51ct L SI1 Radiant Natural Diamond

EX • L/SI1 • GIA 6545196733

Certificate GIA 6545196733

Diamond specifications and retailer prices

From €2,696 EUR
As of November 7, 2026
Save €2,135 EUR (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,831 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 6545196733. Listed at 10 retailers as of November 5, 2026, with prices from €2,696 to €4,831, a €2,135 spread on the same certified stone. NZ Jewellers lists it at €4,831. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545196733
Dimensions7.58 × 5.59 × 3.85 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.58 mm5.59 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545196733
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 68.8%

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 7
Current: €4,831 EUR|Low: €2,725 EUR|High: €4,831 EUR|Avg: €3,189 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3€2,726 EUR
Retailer 6€2,773 EUR
Retailer 8€2,773 EUR
Retailer 2€2,869 EUR
Retailer 9€2,880 EUR
Retailer 7€3,199 EUR
Retailer 4€3,227 EUR
Retailer 5€3,385 EUR
NZ Jewellers€4,831 EUR

34 data points across 9 retailers

10 retailers€2,696 EUR to €4,831 EUR

B+
Cheapest Retailer
-
€2,696 EUR
B+
Retailer 2
-
€2,726 EUR
View
Retailer 3
-
€2,773 EUR
View
Price last confirmed 9 days ago
B
Retailer 4
-
€2,773 EUR
View
B+
Retailer 5
-
€2,869 EUR
View
B
Retailer 6
-
€2,880 EUR
View
B
Retailer 7
-
€3,199 EUR
View
B
Retailer 8
-
€3,227 EUR
View
B
Retailer 9
-
€3,385 EUR
View
Most Expensive
C
NZ Jewellers
0739118c-e27c-425e-bf0e-d7ea70c4c43b · Nov 5
€4,831 EUR
$5,394 USD
View
9 more retailers have this diamond
Prices start from €2,696 EURSave up to €2,135 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
€2,696 EUR