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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 $97,293 NZD
As of November 4, 2026
Save $54,606 NZD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $151,900 NZD 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 $97,293 to $151,900, a $54,606 spread on the same certified stone. MOH London lists it at $151,900. 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: $151,900 NZD|Low: $93,205 NZD|High: $153,730 NZD|Avg: $110,180 NZD
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$93,205 NZD
Retailer 5$96,863 NZD
Retailer 9$97,293 NZD
Retailer 2$98,588 NZD
Retailer 11$99,931 NZD
Retailer 7$101,314 NZD
Retailer 10$103,888 NZD
Retailer 6$107,358 NZD
Retailer 13$111,831 NZD
Retailer 8$115,404 NZD
Retailer 3$116,304 NZD
Retailer 12$116,927 NZD
Retailer 14$120,778 NZD
MOH London$151,900 NZD

32 data points across 14 retailers

10 retailers$97,293 NZD to $151,900 NZD

Retailer 1
-
$93,205 NZD
Price last confirmed 32 days ago
A
Retailer 2
-
$97,293 NZD
View
A
Retailer 3
-
$98,588 NZD
View
A
Retailer 4
-
$101,314 NZD
View
B+
Retailer 5
-
$103,888 NZD
View
Retailer 6
-
$111,831 NZD
View
Price last confirmed 38 days ago
Retailer 7
-
$115,404 NZD
View
Price last confirmed 15 days ago
Retailer 8
-
$116,304 NZD
View
Price last confirmed 36 days ago
Retailer 9
-
$120,778 NZD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
847235BFF · Nov 2
$151,900 NZD
£67,236 GBP
View
9 more retailers have this diamond
Prices start from $97,293 NZDSave up to $54,606 NZD

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
$97,293 NZD