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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 €4,044 EUR
$4,536 USD
As of November 2, 2026
Save €3,766 EUR (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €7,810 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 €4,044 to €7,810, a €3,766 spread on the same certified stone. NZ Jewellers lists it at €7,810. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €7,810 EUR|Low: €4,017 EUR|High: €7,810 EUR|Avg: €5,366 EUR|+3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6€4,044 EUR
Retailer 2€4,224 EUR
Retailer 4€4,483 EUR
Retailer 5€4,483 EUR
Retailer 7€4,933 EUR
Retailer 9€5,151 EUR
Retailer 8€5,562 EUR
Retailer 3€7,140 EUR
NZ Jewellers€7,810 EUR

33 data points across 9 retailers

6 retailers€4,044 EUR to €7,810 EUR

A
Cheapest Retailer
-
€4,044 EUR
$4,536 USD
A
Retailer 2
-
€4,224 EUR
£3,730 GBP
View
A
Retailer 3
-
€4,483 EUR
$5,028 USD
View
A
Retailer 4
-
€4,483 EUR
$5,028 USD
View
B+
Retailer 5
-
€7,140 EUR
£6,306 GBP
View
Most Expensive
B
NZ Jewellers
6f9e46f1-0602-4903-834b-51754f30af88 · Oct 30
€7,810 EUR
$8,760 USD
View
5 more retailers have this diamond
Prices start from €4,044 EURSave up to €3,766 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
€4,044 EUR