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Round|Natural|GIA

3.09ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1487892279

Certificate GIA 1487892279

Diamond specifications and retailer prices

From $34,615 CAD
As of November 5, 2026
Save $10,501 CAD (23%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $45,116 CAD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.09ct natural round diamond

This 3.09ct 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 1487892279. Listed at 8 retailers as of November 5, 2026, with prices from $34,615 to $45,116, a $10,501 spread on the same certified stone. The Diamond Guys lists it at $45,116. 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

3.09
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1487892279
Dimensions9.34 × 9.26 × 5.77 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
9.34 mm9.26 mm3.09 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1487892279
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $44,867 CAD|Low: $34,615 CAD|High: $45,110 CAD|Avg: $39,549 CAD|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$34,615 CAD
Retailer 2$37,555 CAD
Retailer 4$40,440 CAD
Retailer 1$44,867 CAD

44 data points across 4 retailers

8 retailers$34,615 CAD to $45,116 CAD

B+
Cheapest Retailer
-
$34,615 CAD
B+
Retailer 2
-
$35,630 CAD
View
B+
Retailer 3
-
$37,555 CAD
View
B
Retailer 4
-
$39,003 CAD
View
B
Retailer 5
-
$39,691 CAD
View
B
Retailer 6
-
$40,440 CAD
View
B
Retailer 7
-
$44,867 CAD
View
Most Expensive
B
The Diamond Guys
1917986942 · Nov 6
$45,116 CAD
$32,304 USD
View
7 more retailers have this diamond
Prices start from $34,615 CADSave up to $10,501 CAD

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.

B+
3.09ct Round
$34,615 CAD