Round|Natural|GIA

3.11ct K SI1 Round Natural Diamond

ID • K/SI1 • GIA 6425792508

Certificate GIA 6425792508

Diamond specifications and retailer prices

From $21,725 USD
As of November 4, 2026
Save $6,141 USD (22%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $27,866 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 3.11ct natural round diamond

This 3.11ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6425792508. Listed at 5 retailers as of November 4, 2026, with prices from $21,725 to $27,866, a $6,141 spread on the same certified stone. 77 Diamonds lists it at $27,866. 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

3.11
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6425792508
Dimensions9.34 × 9.30 × 5.78 mm
L/W Ratio1.00
Top View
9.34 mm9.30 mm3.11 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6425792508
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $27,866 USD|Low: $21,725 USD|High: $28,326 USD|Avg: $24,086 USD|+0.8%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$21,725 USD
Retailer 2$22,455 USD
77 Diamonds$27,866 USD

34 data points across 3 retailers

5 retailers$21,725 USD to $27,866 USD

A
Cheapest Retailer
-
$21,725 USD
B+
Retailer 2
-
$22,455 USD
View
B+
Retailer 3
-
$22,798 USD
View
B+
Retailer 4
-
$23,986 USD
View
Most Expensive
B
77 Diamonds
RBZNXDQKWWZ · Nov 6
$27,866 USD
£21,942 GBP
View
4 more retailers have this diamond
Prices start from $21,725 USDSave up to $6,141 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
3.11ct Round
$21,725 USD