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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6545823175

Certificate GIA 6545823175

Diamond specifications and retailer prices

From €6,747 EUR
$7,538 USD
As of October 30, 2026
Save €7,665 EUR (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €14,412 EUR at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545823175. Listed at 14 retailers as of October 30, 2026, with prices from €6,747 to €14,412, a €7,665 spread on the same certified stone. NZ Jewellers lists it at €14,412. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545823175
Dimensions7.89 × 5.72 × 3.88 mm
L/W Ratio1.38
Top View
7.89 mm5.72 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545823175
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
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 30
Current: €14,412 EUR|Low: €6,747 EUR|High: €14,412 EUR|Avg: €8,881 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 6€6,747 EUR
Retailer 4€7,080 EUR
Retailer 12€7,206 EUR
Retailer 14€7,266 EUR
Retailer 11€7,807 EUR
Retailer 10€7,927 EUR
Retailer 8€7,979 EUR
Retailer 7€8,280 EUR
Retailer 9€8,736 EUR
Retailer 13€9,007 EUR
Retailer 5€9,010 EUR
Retailer 15€9,486 EUR
Retailer 3€10,272 EUR
Retailer 2€12,009 EUR
NZ Jewellers€14,412 EUR

42 data points across 15 retailers

14 retailers€6,747 EUR to €14,412 EUR

A
Cheapest Retailer
-
€6,747 EUR
$7,538 USD
B+
Retailer 2
-
€7,080 EUR
CA$10,986 CAD
View
B+
Retailer 3
-
€7,206 EUR
$8,051 USD
View
B+
Retailer 4
-
€7,266 EUR
$8,118 USD
View
B+
Retailer 5
-
€7,807 EUR
$8,722 USD
View
B+
Retailer 6
-
€7,927 EUR
$8,856 USD
View
B+
Retailer 7
-
€7,979 EUR
£7,019 GBP
View
B+
Retailer 8
-
€8,280 EUR
$9,251 USD
View
B
Retailer 9
-
€8,537 EUR
$9,538 USD
View
B+
Retailer 10
-
€8,736 EUR
View
B+
Retailer 11
-
€9,007 EUR
$10,063 USD
View
B+
Retailer 12
-
€9,010 EUR
$10,066 USD
View
B
Retailer 13
-
€12,009 EUR
£10,564 GBP
View
Most Expensive
B
NZ Jewellers
ad15a242-6351-421f-8ec9-3852edf42832 · Oct 30
€14,412 EUR
$16,101 USD
View
13 more retailers have this diamond
Prices start from €6,747 EURSave up to €7,665 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
€6,747 EUR