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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6542929464

Certificate GIA 6542929464

Diamond specifications and retailer prices

From €4,060 EUR
$4,536 USD
As of October 31, 2026
Save €3,781 EUR (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €7,841 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 6542929464. Listed at 6 retailers as of October 30, 2026, with prices from €4,060 to €7,841, a €3,781 spread on the same certified stone. NZ Jewellers lists it at €7,841. 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
SymmetryVery Good
FluorescenceFaint
Crown angle48.26°
Pavilion angle35.33°
OriginNatural
Grading LabGIA
CertificateGIA 6542929464
Dimensions7.88 × 5.68 × 3.84 mm
L/W Ratio1.39
Top View
7.88 mm5.68 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542929464
Side View
Table 66.0%Crown 48.26°GirdlePavilion 35.33°CuletDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €7,841 EUR|Low: €4,033 EUR|High: €7,841 EUR|Avg: €5,389 EUR|+3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6€4,060 EUR
Retailer 2€4,241 EUR
Retailer 4€4,501 EUR
Retailer 5€4,501 EUR
Retailer 7€4,953 EUR
Retailer 9€5,171 EUR
Retailer 8€5,584 EUR
Retailer 3€7,168 EUR
NZ Jewellers€7,841 EUR

32 data points across 9 retailers

6 retailers€4,060 EUR to €7,841 EUR

A
Cheapest Retailer
-
€4,060 EUR
$4,536 USD
A
Retailer 2
-
€4,241 EUR
£3,731 GBP
View
A
Retailer 3
-
€4,501 EUR
$5,028 USD
View
A
Retailer 4
-
€4,501 EUR
$5,028 USD
View
B+
Retailer 5
-
€7,168 EUR
£6,306 GBP
View
Most Expensive
B
NZ Jewellers
6f9e46f1-0602-4903-834b-51754f30af88 · Oct 30
€7,841 EUR
$8,760 USD
View
5 more retailers have this diamond
Prices start from €4,060 EURSave up to €3,781 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
€4,060 EUR