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Radiant|Natural|GIA

1.23ct J VVS1 Radiant Natural Diamond

ID • J/VVS1 • GIA 250000285799

Certificate GIA 250000285799

Diamond specifications and retailer prices

From €1,850 EUR
As of November 3, 2026
Save €2,017 EUR (52%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €3,867 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.23ct natural radiant diamond

This 1.23ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 250000285799. Listed at 4 retailers as of November 3, 2026, with prices from €1,850 to €3,867, a €2,017 spread on the same certified stone. NZ Jewellers lists it at €3,867. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
VVS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.75°
Pavilion angle31.53°
OriginNatural
Grading LabGIA
CertificateGIA 250000285799
Dimensions6.88 × 5.35 × 3.62 mm
L/W Ratio1.29
Girdle conditionMedium
Top View
6.88 mm5.35 mm1.23 ctJ / VVS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 250000285799
Side View
Table 67.0%Crown 46.75°GirdlePavilion 31.53°Culet: NoneDepth 67.7%

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 3
Current: €3,867 EUR|Low: €1,850 EUR|High: €3,867 EUR|Avg: €2,154 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 2€1,850 EUR
Retailer 4€1,881 EUR
Retailer 3€1,935 EUR
NZ Jewellers€3,867 EUR

4 data points across 4 retailers

4 retailers€1,850 EUR to €3,867 EUR

A
Cheapest Retailer
-
€1,850 EUR
A
Retailer 2
-
€1,881 EUR
View
A
Retailer 3
-
€1,935 EUR
View
Most Expensive
B
NZ Jewellers
0212efd3-3964-46ee-b9f3-aba469e3f987 · Nov 3
€3,867 EUR
$4,317 USD
View
3 more retailers have this diamond
Prices start from €1,850 EURSave up to €2,017 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
1.23ct Radiant
€1,850 EUR