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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 $28,852 AUD
As of November 6, 2026
Save $20,285 AUD (41%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $49,137 AUD at MOH London · As of November 2, 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 November 2, 2026, with prices from $28,852 to $49,137, a $20,285 spread on the same certified stone. MOH London lists it at $49,137. 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
Colour
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: Nov 6
Current: $49,137 AUD|Low: $26,779 AUD|High: $49,664 AUD|Avg: $34,555 AUD|-1.1%
MOH London
Retailer 2
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Retailer 24
November 6, 2026
Retailer 10$26,779 AUD
Retailer 14$28,852 AUD
Retailer 13$29,428 AUD
Retailer 17$30,150 AUD
Retailer 22$30,355 AUD
Retailer 11$30,888 AUD
Retailer 3$31,463 AUD
Retailer 18$32,426 AUD
Retailer 21$32,633 AUD
Retailer 8$32,952 AUD
Retailer 5$33,036 AUD
Retailer 7$33,969 AUD
Retailer 9$33,969 AUD
Retailer 6$34,084 AUD
Retailer 2$34,342 AUD
Retailer 15$34,342 AUD
Retailer 23$35,090 AUD
Retailer 4$35,395 AUD
Retailer 20$36,782 AUD
Retailer 12$37,843 AUD
Retailer 16$38,303 AUD
Retailer 19$38,693 AUD
Retailer 24$44,572 AUD
MOH London$49,137 AUD

25 data points across 24 retailers

30 retailers$28,852 AUD to $49,137 AUD

Retailer 1
-
$26,779 AUD
Price last confirmed 10 days ago
A
Retailer 2
-
$28,852 AUD
View
A
Retailer 3
-
$28,923 AUD
View
A
Retailer 4
-
$29,141 AUD
View
A
Retailer 5
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$29,380 AUD
View
A
Retailer 6
-
$29,428 AUD
View
A
Retailer 7
-
$29,804 AUD
View
A
Retailer 8
-
$30,355 AUD
View
A
Retailer 9
-
$30,888 AUD
View
Retailer 10
-
$31,463 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$32,426 AUD
View
A
Retailer 12
-
$32,633 AUD
View
A
Retailer 13
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$32,637 AUD
View
A
Retailer 14
-
$32,952 AUD
View
A
Retailer 15
-
$33,036 AUD
View
A
Retailer 16
-
$33,621 AUD
View
A
Retailer 17
-
$33,969 AUD
View
A
Retailer 18
-
$33,969 AUD
View
A
Retailer 19
-
$34,084 AUD
View
A
Retailer 20
-
$34,342 AUD
View
A
Retailer 21
-
$34,342 AUD
View
Retailer 22
-
$34,532 AUD
View
Price last confirmed 15 days ago
A
Retailer 23
-
$35,090 AUD
View
A
Retailer 24
-
$35,395 AUD
View
A
Retailer 25
-
$36,782 AUD
View
Retailer 26
-
$37,843 AUD
View
Price last confirmed 11 days ago
A
Retailer 27
-
$38,303 AUD
View
A
Retailer 28
-
$38,693 AUD
View
Retailer 29
-
$44,572 AUD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
90E64CC8F · Nov 2
$49,137 AUD
£26,584 GBP
View
29 more retailers have this diamond
Prices start from $28,852 AUDSave up to $20,285 AUD

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
$28,852 AUD