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Radiant|Natural|GIA

5.12ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 5221732864

Certificate GIA 5221732864

Diamond specifications and retailer prices

From €54,602 EUR
$61,002 USD
As of October 31, 2026
Save €5,884 EUR (10%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €60,486 EUR at Jogia Diamonds · As of October 31, 2026
View at Jogia Diamonds

About this 5.12ct natural radiant diamond

This 5.12ct natural radiant sits in the over five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5221732864. Listed at 2 retailers as of October 31, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

5.12
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5221732864
Dimensions10.73 × 9.18 × 6.44 mm
L/W Ratio1.17
Top View
10.73 mm9.18 mm5.12 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5221732864
Side View
Table 70.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €54,602 EUR|Low: €54,091 EUR|High: €56,749 EUR|Avg: €55,147 EUR|-3.8%
September 23, 2026
Retailer 1€54,602 EUR

3 data points across 1 retailer

2 retailers€54,602 EUR to €60,486 EUR

B+
Cheapest Retailer
-
€54,602 EUR
$61,002 USD
Most Expensive
B
Jogia Diamonds
J14996557 · Oct 31
€60,486 EUR
A$103,962 AUD
View
1 more retailer has this diamond
Prices start from €54,602 EURSave up to €5,884 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+
5.12ct Radiant
€54,602 EUR