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Round|Natural|GIA

3.11ct K SI1 Round Natural Diamond

ID • K/SI1 • GIA 6425792508

Certificate GIA 6425792508

Diamond specifications and retailer prices

From $27,749 SGD
As of November 4, 2026
Save $7,844 SGD (22%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $35,593 SGD 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 $27,749 to $35,593, a $7,844 spread on the same certified stone. 77 Diamonds lists it at $35,593. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $35,593 SGD|Low: $27,749 SGD|High: $36,181 SGD|Avg: $30,765 SGD|+0.8%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$27,749 SGD
Retailer 2$28,682 SGD
77 Diamonds$35,593 SGD

34 data points across 3 retailers

5 retailers$27,749 SGD to $35,593 SGD

A
Cheapest Retailer
-
$27,749 SGD
B+
Retailer 2
-
$28,682 SGD
View
B+
Retailer 3
-
$29,120 SGD
View
B+
Retailer 4
-
$30,637 SGD
View
Most Expensive
B
77 Diamonds
RBZNXDQKWWZ · Nov 6
$35,593 SGD
£21,942 GBP
View
4 more retailers have this diamond
Prices start from $27,749 SGDSave up to $7,844 SGD

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
$27,749 SGD