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Radiant|Natural|GIA

3.09ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2231661674

Certificate GIA 2231661674

Diamond specifications and retailer prices

From €16,470 EUR
$18,400 USD
As of October 28, 2026
Save €13,913 EUR (46%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €30,382 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct natural radiant diamond

This 3.09ct natural radiant sits in the three to five carat band, graded I 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 2231661674. Listed at 30 retailers as of October 28, 2026, with prices from €16,470 to €30,382, a €13,913 spread on the same certified stone. MOH London lists it at €30,382. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.58°
Pavilion angle30.29°
OriginNatural
Grading LabGIA
CertificateGIA 2231661674
Dimensions9.79 × 7.25 × 4.71 mm
L/W Ratio1.35
Girdle conditionThick
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle, Natural
Top View
9.79 mm7.25 mm3.09 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231661674
Side View
Table 68.0%Crown 44.58°Girdle: STK-THKPavilion 30.29°Culet: NoneDepth 65.0%

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: Oct 28
Current: €30,382 EUR|Low: €16,470 EUR|High: €30,544 EUR|Avg: €21,021 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
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Retailer 24
Retailer 25
October 31, 2026
Retailer 9€16,470 EUR
Retailer 12€17,744 EUR
Retailer 18€17,923 EUR
Retailer 19€18,323 EUR
Retailer 16€18,543 EUR
Retailer 22€18,669 EUR
Retailer 10€18,997 EUR
Retailer 25€19,350 EUR
Retailer 2€19,777 EUR
Retailer 21€20,070 EUR
Retailer 17€20,073 EUR
Retailer 7€20,266 EUR
Retailer 4€20,318 EUR
Retailer 6€20,891 EUR
Retailer 8€20,891 EUR
Retailer 5€20,962 EUR
Retailer 14€21,121 EUR
Retailer 23€21,581 EUR
Retailer 3€21,769 EUR
Retailer 13€22,553 EUR
Retailer 11€23,274 EUR
Retailer 15€23,557 EUR
Retailer 20€23,871 EUR
Retailer 24€27,412 EUR
MOH London€30,382 EUR

19 data points across 25 retailers

30 retailers€16,470 EUR to €30,382 EUR

A
Cheapest Retailer
-
€16,470 EUR
$18,400 USD
A
Retailer 2
-
€17,744 EUR
$19,824 USD
View
A
Retailer 3
-
€17,788 EUR
$19,873 USD
View
A
Retailer 4
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€17,923 EUR
$20,023 USD
View
A
Retailer 5
-
€18,069 EUR
$20,187 USD
View
A
Retailer 6
-
€18,323 EUR
₹1,949,619 INR
View
A
Retailer 7
-
€18,330 EUR
A$31,506 AUD
View
A
Retailer 8
-
€18,543 EUR
$20,716 USD
View
Final sale: no returns
A
Retailer 9
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€18,669 EUR
$20,857 USD
View
A
Retailer 10
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€18,997 EUR
CA$29,477 CAD
View
A
Retailer 11
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€19,350 EUR
$21,618 USD
View
A
Retailer 12
-
€19,777 EUR
£17,398 GBP
View
A
Retailer 13
-
€20,070 EUR
$22,422 USD
View
A
Retailer 14
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€20,073 EUR
$22,425 USD
View
A
Retailer 15
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€20,266 EUR
$22,641 USD
View
A
Retailer 16
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€20,318 EUR
$22,699 USD
View
A
Retailer 17
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€20,678 EUR
$23,102 USD
View
A
Retailer 18
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€20,891 EUR
$23,340 USD
View
A
Retailer 19
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€20,891 EUR
$23,340 USD
View
A
Retailer 20
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€20,962 EUR
$23,419 USD
View
A
Retailer 21
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€21,121 EUR
$23,596 USD
View
Retailer 22
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€21,238 EUR
$23,727 USD
View
Price last confirmed 8 days ago
A
Retailer 23
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€21,581 EUR
$24,110 USD
View
A
Retailer 24
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€21,769 EUR
$24,320 USD
View
A
Retailer 25
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€22,553 EUR
View
A
Retailer 26
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€23,274 EUR
$26,002 USD
View
A
Retailer 27
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€23,557 EUR
$26,318 USD
View
A
Retailer 28
-
€23,871 EUR
£20,999 GBP
View
B+
Retailer 29
-
€27,412 EUR
$30,625 USD
View
Most Expensive
B+
MOH London
90E64CC8F · Oct 29
€30,382 EUR
£26,727 GBP
View
29 more retailers have this diamond
Prices start from €16,470 EURSave up to €13,913 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
3.09ct Radiant
€16,470 EUR