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Round|Natural|GIA

3.19ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2507314517

Certificate GIA 2507314517

Diamond specifications and retailer prices

From $31,170 AUD
As of November 1, 2026
Save $24,426 AUD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $55,596 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 2507314517. Listed at 13 retailers as of November 1, 2026, with prices from $31,170 to $55,596, a $24,426 spread on the same certified stone. MOH London lists it at $55,596. 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
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2507314517
Dimensions9.43 × 9.38 × 5.78 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
9.43 mm9.38 mm3.19 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507314517
Side View
Table 59.0%Crown 35°Girdle: ThickPavilion 40.8°Culet: NoneDepth 61.4%

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 1
Current: $55,596 AUD|Low: $31,170 AUD|High: $56,416 AUD|Avg: $40,674 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$31,170 AUD
Retailer 4$35,675 AUD
Retailer 7$36,830 AUD
Retailer 6$37,478 AUD
Retailer 2$40,845 AUD
Retailer 3$42,971 AUD
MOH London$55,596 AUD

42 data points across 7 retailers

13 retailers$31,170 AUD to $55,596 AUD

A
Cheapest Retailer
-
$31,170 AUD
B+
Retailer 2
-
$32,497 AUD
View
B+
Retailer 3
-
$35,675 AUD
View
Retailer 4
-
$35,694 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$35,991 AUD
View
B+
Retailer 6
-
$36,830 AUD
View
B+
Retailer 7
-
$37,478 AUD
View
B+
Retailer 8
-
$38,668 AUD
View
B
Retailer 9
-
$40,155 AUD
View
B+
Retailer 10
-
$40,845 AUD
View
B
Retailer 11
-
$42,971 AUD
View
B
Retailer 12
-
$50,566 AUD
View
Most Expensive
B
MOH London
8C21F8853 · Nov 4
$55,596 AUD
£30,645 GBP
View
12 more retailers have this diamond
Prices start from $31,170 AUDSave up to $24,426 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
$31,170 AUD