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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 £14,032 GBP
As of November 4, 2026
Save £3,922 GBP (22%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £17,955 GBP 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 £14,032 to £17,955, a £3,922 spread on the same certified stone. 77 Diamonds lists it at £17,955. 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: £17,955 GBP|Low: £14,032 GBP|High: £18,352 GBP|Avg: £15,451 GBP|+0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3£14,032 GBP
Retailer 2£14,625 GBP
Retailer 5£14,857 GBP
Retailer 4£15,542 GBP
77 Diamonds£17,955 GBP

34 data points across 5 retailers

5 retailers£14,032 GBP to £17,955 GBP

A
Cheapest Retailer
-
£14,032 GBP
A
Retailer 2
-
£14,625 GBP
View
A
Retailer 3
-
£14,857 GBP
View
B+
Retailer 4
-
£15,542 GBP
View
Most Expensive
B+
77 Diamonds
RBZDSMRUSQE · Nov 6
£17,955 GBP
View
4 more retailers have this diamond
Prices start from £14,032 GBPSave up to £3,922 GBP

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
£14,032 GBP