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Round|Natural|GIA

5.15ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1162220114

Certificate GIA 1162220114

Diamond specifications and retailer prices

From $76,384 CAD
As of November 4, 2026
Save $42,871 CAD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $119,255 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 5.15ct natural round diamond

This 5.15ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1162220114. Listed at 10 retailers as of November 2, 2026, with prices from $76,384 to $119,255, a $42,871 spread on the same certified stone. MOH London lists it at $119,255. 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

5.15
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1162220114
Dimensions11.13 × 11.15 × 6.82 mm
L/W Ratio1.00
Culet sizeNone
Top View
11.13 mm11.15 mm5.15 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1162220114
Side View
Table 57.0%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.2%

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: $119,255 CAD|Low: $73,175 CAD|High: $120,692 CAD|Avg: $86,501 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 4, 2026
Retailer 4$73,175 CAD
Retailer 5$76,046 CAD
Retailer 9$76,384 CAD
Retailer 2$77,401 CAD
Retailer 11$78,455 CAD
Retailer 7$79,541 CAD
Retailer 10$81,561 CAD
Retailer 6$84,286 CAD
Retailer 13$87,797 CAD
Retailer 8$90,603 CAD
Retailer 3$91,310 CAD
Retailer 12$91,799 CAD
Retailer 14$94,822 CAD
MOH London$119,255 CAD

32 data points across 14 retailers

10 retailers$76,384 CAD to $119,255 CAD

Retailer 1
-
$73,175 CAD
Price last confirmed 32 days ago
A
Retailer 2
-
$76,384 CAD
View
A
Retailer 3
-
$77,401 CAD
View
A
Retailer 4
-
$79,541 CAD
View
B+
Retailer 5
-
$81,561 CAD
View
Retailer 6
-
$87,797 CAD
View
Price last confirmed 38 days ago
Retailer 7
-
$90,603 CAD
View
Price last confirmed 15 days ago
Retailer 8
-
$91,310 CAD
View
Price last confirmed 36 days ago
Retailer 9
-
$94,822 CAD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
847235BFF · Nov 2
$119,255 CAD
£67,236 GBP
View
9 more retailers have this diamond
Prices start from $76,384 CADSave up to $42,871 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.

A
5.15ct Round
$76,384 CAD