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Radiant|Natural|GIA

3.09ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 1343177919

Certificate GIA 1343177919

Diamond specifications and retailer prices

From €20,233 EUR
$22,693 USD
As of November 1, 2026
Save €29,086 EUR (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €49,319 EUR at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 3.09ct natural radiant diamond

This 3.09ct natural radiant sits in the three to 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 1343177919. Listed at 5 retailers as of November 1, 2026, with prices from €20,233 to €49,319, a €29,086 spread on the same certified stone. 77 Diamonds lists it at €49,319. 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

3.09
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1343177919
Dimensions9.23 × 7.49 × 5.14 mm
L/W Ratio1.23
Top View
9.23 mm7.49 mm3.09 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1343177919
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €49,319 EUR|Low: €38,523 EUR|High: €49,821 EUR|Avg: €44,120 EUR|+1.5%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2€38,887 EUR
77 Diamonds€49,319 EUR

36 data points across 2 retailers

5 retailers€20,233 EUR to €49,319 EUR

B+
Cheapest Retailer
-
€20,233 EUR
$22,693 USD
B+
Retailer 2
-
€20,531 EUR
A$35,427 AUD
View
C
Retailer 3
-
€38,887 EUR
$43,616 USD
View
C
Retailer 4
-
€41,426 EUR
$46,464 USD
View
Most Expensive
B
77 Diamonds
RADMBSUUECFMW · Nov 2
€49,319 EUR
£43,556 GBP
View
4 more retailers have this diamond
Prices start from €20,233 EURSave up to €29,086 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+
3.09ct Radiant
€20,233 EUR