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Round|Natural|GIA

3.19ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2557991558

Certificate GIA 2557991558

Diamond specifications and retailer prices

From $29,891 AUD
As of November 6, 2026
Save $16,365 AUD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $46,257 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.19ct natural round diamond

This 3.19ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557991558. Listed at 11 retailers as of November 4, 2026, with prices from $29,891 to $46,257, a $16,365 spread on the same certified stone. MOH London lists it at $46,257. 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

3.19
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557991558
Dimensions9.33 × 9.40 × 5.85 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.33 mm9.40 mm3.19 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557991558
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $46,257 AUD|Low: $26,527 AUD|High: $46,257 AUD|Avg: $33,330 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$26,683 AUD
Retailer 3$29,891 AUD
Retailer 2$33,984 AUD
Retailer 8$34,420 AUD
Retailer 7$35,513 AUD
Retailer 10$35,587 AUD
Retailer 5$35,752 AUD
Retailer 4$36,878 AUD
Retailer 6$42,071 AUD
MOH London$46,257 AUD

41 data points across 10 retailers

11 retailers$29,891 AUD to $46,257 AUD

Retailer 1
-
$26,683 AUD
Price last confirmed 9 days ago
A
Retailer 2
-
$29,891 AUD
View
Retailer 3
-
$30,470 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$33,984 AUD
View
B+
Retailer 5
-
$34,420 AUD
View
B+
Retailer 6
-
$35,513 AUD
View
Retailer 7
-
$35,587 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$35,752 AUD
View
B+
Retailer 9
-
$36,878 AUD
View
B
Retailer 10
-
$42,071 AUD
View
Most Expensive
B
MOH London
805087CB8 · Nov 4
$46,257 AUD
£25,497 GBP
View
10 more retailers have this diamond
Prices start from $29,891 AUDSave up to $16,365 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
3.19ct Round
$29,891 AUD