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Round|Natural|GIA

3.12ct K SI2 Round Natural Diamond

ID • K/SI2 • GIA 2468530108

Certificate GIA 2468530108

Diamond specifications and retailer prices

From $26,979 AUD
As of November 4, 2026
Save $7,541 AUD (22%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $34,520 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 3.12ct natural round diamond

This 3.12ct 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 2468530108. Listed at 5 retailers as of November 4, 2026, with prices from $26,979 to $34,520, a $7,541 spread on the same certified stone. 77 Diamonds lists it at $34,520. 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

3.12
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2468530108
Dimensions9.37 × 9.31 × 5.75 mm
L/W Ratio1.01
Top View
9.37 mm9.31 mm3.12 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2468530108
Side View
Table 56.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 61.8%

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 4
Current: $34,520 AUD|Low: $26,979 AUD|High: $35,284 AUD|Avg: $29,707 AUD|+0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3$26,979 AUD
Retailer 2$28,119 AUD
Retailer 5$28,564 AUD
Retailer 4$29,881 AUD
77 Diamonds$34,520 AUD

34 data points across 5 retailers

5 retailers$26,979 AUD to $34,520 AUD

A
Cheapest Retailer
-
$26,979 AUD
A
Retailer 2
-
$28,119 AUD
View
A
Retailer 3
-
$28,564 AUD
View
B+
Retailer 4
-
$29,881 AUD
View
Most Expensive
B+
77 Diamonds
RBZDSMRUSQE · Nov 6
$34,520 AUD
£19,028 GBP
View
4 more retailers have this diamond
Prices start from $26,979 AUDSave up to $7,541 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
3.12ct Round
$26,979 AUD