Round|Natural|GIA

5.15ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1162220114

Certificate GIA 1162220114

Diamond specifications and retailer prices

From €48,729 EUR
As of November 4, 2026
Save €27,349 EUR (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €76,078 EUR 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 €48,729 to €76,078, a €27,349 spread on the same certified stone. MOH London lists it at €76,078. 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
Colour
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: €76,078 EUR|Low: €46,681 EUR|High: €76,994 EUR|Avg: €55,183 EUR
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€46,681 EUR
Retailer 5€48,513 EUR
Retailer 9€48,729 EUR
Retailer 2€49,377 EUR
Retailer 11€50,050 EUR
Retailer 7€50,742 EUR
Retailer 10€52,031 EUR
Retailer 6€53,770 EUR
Retailer 13€56,010 EUR
Retailer 8€57,799 EUR
Retailer 3€58,250 EUR
Retailer 12€58,562 EUR
Retailer 14€60,491 EUR
MOH London€76,078 EUR

32 data points across 14 retailers

10 retailers€48,729 EUR to €76,078 EUR

Retailer 1
-
€46,681 EUR
Price last confirmed 32 days ago
A
Retailer 2
-
€48,729 EUR
View
A
Retailer 3
-
€49,377 EUR
View
A
Retailer 4
-
€50,742 EUR
View
B+
Retailer 5
-
€52,031 EUR
View
Retailer 6
-
€56,010 EUR
View
Price last confirmed 38 days ago
Retailer 7
-
€57,799 EUR
View
Price last confirmed 15 days ago
Retailer 8
-
€58,250 EUR
View
Price last confirmed 36 days ago
Retailer 9
-
€60,491 EUR
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
847235BFF · Nov 2
€76,078 EUR
£67,236 GBP
View
9 more retailers have this diamond
Prices start from €48,729 EURSave up to €27,349 EUR

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
€48,729 EUR