Round|Natural|GIA

3.12ct K SI2 Round Natural Diamond

ID • K/SI2 • GIA 2468530108

Certificate GIA 2468530108

Diamond specifications and retailer prices

From $18,886 USD
As of November 4, 2026
Save $5,279 USD (22%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $24,165 USD 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 $18,886 to $24,165, a $5,279 spread on the same certified stone. 77 Diamonds lists it at $24,165. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $24,165 USD|Low: $18,886 USD|High: $24,700 USD|Avg: $20,796 USD|+0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3$18,886 USD
Retailer 2$19,684 USD
Retailer 5$19,996 USD
Retailer 4$20,918 USD
77 Diamonds$24,165 USD

34 data points across 5 retailers

5 retailers$18,886 USD to $24,165 USD

A
Cheapest Retailer
-
$18,886 USD
A
Retailer 2
-
$19,684 USD
View
A
Retailer 3
-
$19,996 USD
View
B+
Retailer 4
-
$20,918 USD
View
Most Expensive
B+
77 Diamonds
RBZDSMRUSQE · Nov 6
$24,165 USD
£19,028 GBP
View
4 more retailers have this diamond
Prices start from $18,886 USDSave up to $5,279 USD

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
$18,886 USD